CN201742093U - Distributed energy resource based intelligent grid system adopting layered structure - Google Patents
Distributed energy resource based intelligent grid system adopting layered structure Download PDFInfo
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- CN201742093U CN201742093U CN2010202508256U CN201020250825U CN201742093U CN 201742093 U CN201742093 U CN 201742093U CN 2010202508256 U CN2010202508256 U CN 2010202508256U CN 201020250825 U CN201020250825 U CN 201020250825U CN 201742093 U CN201742093 U CN 201742093U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
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- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The utility model provides a distributed energy resource (DER) based intelligent network system adopting a layered structure. The system comprises a parameter measuring module, an intelligent grid node parameter two-way communication module, an information processing, management and control module, an intelligent dispatching driver module, a distributed energy access module, an intelligent regulation and control load output module, and an accumulator battery composed of a plurality of groups of single controllable storage batteries; and a unit system in the bottom layer is connected with a unit system in the same or the upper layer. The DER based intelligent network system adopting the layered structure has the advantages of seal-healing capability, real-time monitoring, dispatching measurement, user excitation, attack resistance and the like, and allows the access and mutual cogeneration of various power generation modes (including new energy); and in the intelligent grid, users can turn from power customers into power suppliers, namely, electric power produced by a solar panel on the roof of a user can be transmitted to the grid to be distributed uniformly, so as to create value for the user.
Description
Technical field
The utility model relates to the intelligent grid technical field, is specifically related to a kind of distributed power supply smart grid system of hierarchy structure.
Technical background
Recently, intelligent grid one of develops as the national strategy of various countries, is subjected to pursuing of the whole world.Consulting available data can see, so-called " intelligent grid ", as its name suggests, be meant a kind of become clever novel power grid, understand more and obtain and electrical power distribution " wisdom ".The fusion of that distribute, integrated, high-speed bidirectional communication network and multi-source power node network distribution, interactive is the magic weapon of its " tower above the rest in vigour and height of intellect ".Under the devising strategies at the headquarters of its advanced sensing and measuring technique, equipment and technology, control method and DSS technology, reliable, safety, economy, efficient, environmental friendliness and intelligent grid safe in utilization have been made.
Intelligent grid will be allowed the access of various dissimilar generatings and energy-storage system, will impel electricity market flourish.Intelligent grid can be managed as parameters such as the energy, capacity, volume change rate, trend obstructions most effectively by the interaction of Supply and Demand on the market, reduces trend and blocks, and enlarges market, compiles more buyer and seller.
Intelligent grid is optimized its assets application, makes operation more efficient.For example, so that assets are brought into play its best ability, assets can be used by the dynamic evaluation technology under bigger load by continuously monitoring and estimate its ability.
Traditional electrical network being transformed into the intelligent grid of a new generation safety, efficient and environmental protection, and forming new technical industry, is the important channel that national economy makes the transition, and is considered the important motivity of reinventing economy and energy general layout.
The core of intelligent grid is to make up the intelligent network system of unified networking of the various energy resources that possesses intelligent decision and adaptive adjustment capability and distributed management, can monitor in real time and gather electrical network and user power utilization information, and adopt most economical and safest power transmission and distribution mode to give the terminal use with power delivery, realization improves the reliability and the efficiency of energy utilization of power grid operation to the allocation optimum and the utilization of electric energy.
The kind of distributed power source (DER) is a lot, comprises small power station, wind power generation, photo-voltaic power supply, fuel cell and energy storage device (as flywheel, ultracapacitor, the storage of superconduction magnetic energy, flow battery and sodium sulfur storage battery etc.).Because distributed power source (DER), be subjected to the influence of natural conditions as solar energy and wind power generation, electric energy output is discontinuous also extremely unstable, for addressing this problem, power plant must electric power storage and inversion send electric aspect the cost great amount of investment, and effect is also not ideal, cause no small waste, how how maximum the returns of investment of performance clean energy resource make unsettled power supply can satisfy the needs that people use, and is the problem that the whole world that clean energy resource effectively utilizes is paid close attention to.In general, its capacity of distributed power source (DER) is from 1kW to 10MW.Distributed power source in the power distribution network (DER) therefore is widely adopted owing near load center, reduced the needs to the electrical network expansion, and improved power supply reliability.Particularly help to alleviate the distribution type renewable energy of greenhouse effect, under the support energetically on many national government policies, increase rapidly.
A large amount of distributed power sources also moves on the net in middle pressure or low-voltage distribution; thoroughly change the characteristics of traditional unidirectional trend of distribution system, required system to use new protection scheme, voltage control, instrument and intelligentized more novel supply network to satisfy the needs of two-way trend.
The rosy prospect in the future of intelligent grid and its important strategic meaning just, global various countries greatly develop.Particularly the U.S. is present, and what intelligent grid research was comparatively ripe mainly is the U.S., and a plurality of states of the U.S. have begun to design the intelligent grid system, and electronic industry and information industry tap have all dropped into the intelligent grid business in the world.According to official's introduction in June, 2009 of USDOE China office, it is first intelligent grid city of the U.S. that the bohr of Colorado gets the city.Each household family has all arranged intelligent electric meter, and people can understand electricity price at that time very intuitively, thereby some things, is arranged in the low time period of electricity price such as wash clothes, pressing etc.Ammeter can also help people preferentially to use clean energy resourcies such as wind-powered electricity generation and solar energy.Simultaneously, transformer station can collect the electricity consumption situation of every household.In case have problem to occur, can be equipped with electric power again.The feature of this intelligent grid technology mainly is, each household family has all arranged intelligent electric meter, and people can understand electricity price at that time very intuitively and adjust the electricity consumption plan, and simultaneously, ammeter can also help people preferentially to use clean energy resourcies such as wind-powered electricity generation and solar energy.
Because intelligent electric meter is based on the existing electric power supply system basis, the limitation of prior art and product and deficiency in addition, this supply power mode based on existing electrical network basis is to carry out the intellectuality power supply by the centralized management pattern, power supply and guides user are understood the ground electricity consumption that saves money though can realize becoming more meticulous limitedly, its effect of the intelligent grid that achieves is very limited, and a lot of advantages of intelligent grid and technology can't realize.For existing electrical network, the user is difficult to freely insert clean energy resourcies such as wind-powered electricity generation and solar-electricity, more difficultly finish intelligent power supply of allotment in real time and electricity consumption plan, the fusion of distributed power source (DER) and existing electrical network, if still have only existing supply of electric power side to participate in, just be difficult to break away from the constraint of above-mentioned pattern, be difficult to breakthrough, be subjected to the influence of natural conditions as solar energy and wind power generation, electric energy output is discontinuous also extremely unstable, for addressing this problem, power plant must electric power storage and inversion send electric aspect the cost great amount of investment, and effect is also not ideal, causes no small waste, can not maximum bring into play the returns of investment of clean energy resource, nor can reach excitation user's effect.Advanced more in order to realize, effective more intelligent grid at this, the utility model proposes a kind of distributed power supply smart grid system of hierarchy structure.
Summary of the invention
For overcoming above-mentioned deficiency, the technical problem of the utility model purpose and solution is a kind of intelligent grid of structure, but make its have self-healing, have real-time monitoring with metering scheduling, can encourage the user, can resist attack, allow the access and the interconnected mutual confession of the various different forms of electricity generation that comprise new forms of energy; Intelligent grid guides user or help the user how to save the electricity charge automatically; In intelligent grid, the user can also turn from a guest into a host, and becomes the power supplier, makes the electric power of the solar energy electroplax production on user roof reach the unified dispensing of electrical network, is user's creation of value.Its objective is and be achieved through the following technical solutions.
The utility model has designed a kind of distributed power supply smart grid system of hierarchy structure, and its key points in design is the cellular system that this power supply smart grid system adopts information processing and management and control module, intelligent scheduling driver module, distributed power source access module, parameter to measure module, intelligent control load output module and the two-way intelligence communication module of grid nodes parameter and be made of the distributed power supply smart grid of hierarchy structure the batteries that the many groups of controlled storage batterys of single group are formed;
The information processing of described cellular system and management and control module, the intelligent scheduling driver module, the distributed power source access module, parameter measures module, intelligent control load output module and the two-way intelligence communication module of grid nodes parameter, all adopt with the microprocessor is the embedded system of core, has the independent CPUs processor, to in advance by software set or continuously dynamically update automatically according to the data message of real-time reception and measurement, in service the online data signal is carried out respective handling and judge according to the method for software set, in time evaluate and test the combination distribution of grid supply quality and the various electricity powers of optimization, the problem that maybe will take place that discovery has existed, immediately according to the method for software set take measures automatically again distribution and scheduling, controlled in real time or corrected, realized the intelligent management and control that each functional module of cellular system is parallel with asynchronous communication means by system bus;
In the described cellular system, distributed energy access module by the A of bottom floor units system is connected with the intelligent control load output module of upper strata or same layer cellular system B, and be connected with the upper strata or with layer corresponding distributed power source access module of cellular system B by the intelligent control of the A of bottom floor units system load output module, be connected with Wireless/wired communication network by computer network by the two-way intelligence communication module of the grid nodes parameter of each cellular system again, constitute the distributed power supply smart grid system of hierarchy structure.
Described information processing measures module by system bus with intelligent scheduling module, the two-way intelligence communication module of grid nodes parameter, parameter with the management and control module and links to each other, and links to each other by the two-way intelligence communication module of grid nodes parameter or by the two-way intelligence communication module of grid nodes parameter of computer network with same layer or upper strata or lower floor; Parameter is measured the parameter metric data information of module collection and the real time data information that the two-way intelligence communication module of grid nodes parameter is received, analyze, handle and judge, make a strategic decision according to data message and the requirement set by program and data storage saved software and keying circuit in advance, and send corresponding distribution dispatch command.
The information processing of described cellular system and management and control module are provided with microprocessor, program and data storage, communication drivers and gating circuit, I/O drive circuit, external memorizer interface circuit, clock, module power supply circuit, standard traffic circuit and interface, system bus circuit and interface, display circuit, keying circuit and bus; It is characterized in that being connected parameter with interface by the system bus circuit measures module, each input and the sensor information on each outlet line that are installed in distributed power source access module and intelligent control load output module and is connected on the intelligent scheduling driver module of the batteries that the controlled storage battery of the single group of many groups forms are gathered also analyzing and processing, and by the two-way intelligence communication module of grid nodes parameter and computer network and Wireless/wired communication network in real time and the information system of supplier of electricity carry out interactive information, compare according to the multipotency source power supply parameter of the power supply information that receives and classification tou power price data and monitoring in real time and to form the distribution instruction, this distribution instruction sends distributed power source access module and intelligent control load output module to, according to distribution instruction on each input and each outlet line can the synchronous break-make of automatically controlled execution intelligent switch control, finish the instruction allotment requirement of electric power allotment.
But described intelligent scheduling driver module is provided with microprocessor, memory, clock, module power supply circuit, A/D-D/A circuit, sensor groups circuit, storage battery interface group, I/O drive circuit, charging circuit, inverter circuit electric-controlled switch group, system bus circuit and interface, communication drivers and gating circuit and bus; Link to each other with distributed power source access module and intelligent control load output module with interface by the system bus circuit, the schedule driven instruction is sent in power scheduling instruction and requirement according to information processing and the transmission of management and control module, after distributed energy access module and intelligent control load output module is received instruction, finish the corresponding control of intelligent switch that can the synchronous break-make of automatically controlled execution; Be provided with multiport charging circuit and multiport inverter circuit and each port be provided with one can the synchronous break-make of automatically controlled execution intelligent switch, and link to each other with storage battery, respectively organize the break-make of intelligent switch on charging circuit and the inverter circuit with requiring control according to charging, power transformation and the discharge dispatch command of information processing and the transmission of management and control module.
For civil power and solar-electricity and wind-powered electricity generation distributed power supply can be effective and reasonable be user's power supply, but described distributed power source access module is provided with microprocessor, multisensor circuit, power access end mouth group, protective circuit and electric-controlled switch group, communication drivers and gating circuit, system bus circuit and interface, standard digital telecommunication circuit and interface, clock, module power supply circuit, memory and bus; Port with multiple power supply input; and in each port supply line the transducer that is used to monitor electrical quantity and temperature parameter is housed, but and by the electric-controlled switch group with protective circuit constitute can the synchronous break-make of automatically controlled execution intelligent switch be controlled by the intelligent scheduling driver module by system bus circuit and interface.
In order to realize obtaining power supply and power consumption parameter in real time, described parameter measures module and is provided with microprocessor, memory, A/D-D/A circuit, parameter measurement circuit and interface group, communication drivers and gating circuit, system bus circuit and interface, standard digital telecommunication circuit and interface, clock circuit, module power supply circuit and bus; The transducer that is used to monitor electrical quantity and temperature parameter in the supply line by system bus circuit and interface and parameter measurement circuit and interface group and each port that is installed in multiple power supply input and charging circuit and inverter circuit links to each other, the transducing signal that the pick-up transducers circuit sends, and by analog-digital conversion a/d-D/A circuit, convert transducing signal to data message, by using for information processing and management and control module after the microprocessor processes.
Because the user power utilization device has comprised conventional civil power and the direct current of using always and the power of various standards, described intelligent control load output module is provided with microprocessor, memory, clock, module power supply circuit, sensor groups circuit, electric power protection circuit for input and output and port set, metering circuit, I/O drive circuit, communication drivers and gating circuit, system bus circuit and interface, input power switch control group, output power control switch group, bus; Each port of multiple user power supply output is provided by electric power protection circuit for input and output and port set; and be equipped with in each port supply line can the synchronous break-make of automatically controlled execution intelligent switch input power switch control group; output power control switch group, and be controlled by microprocessor and cooperate the intelligent scheduling driver module to finish electric power allotment output of flexible AC transmission and HVDC Light with this.
For realizing cellular system and multiple unit system networking and finishing the intelligent power distribution management and control and information sharing and management.As intelligent grid, accomplish the safe and reasonable distribution, save electric cost, reach simultaneously the balance of mains supply and electricity consumption as far as possible, just need be to the multiple power supply power supply parameter and the projected capacity of distributed energy, and the parametric data of power consumption parameter and plan and consumption habit gathers in real time, analyzes and handles and differentiation, generate schemes of countermeasures and instruction, and can in time be communicated to respective nodes rapidly.For this reason, the two-way intelligence communication module of described grid nodes parameter except with information processing with the management and control module is connected, also be provided with microprocessor, I/O drive circuit, communication drivers and gating circuit, memory, clock, module power supply circuit, radio communication circuit and interface, network communications circuits and interface, telecommunication path circuit and interface, system bus circuit and interface, standard traffic circuit and interface, bus; By radio communication circuit and interface, network communications circuits and interface, the telecommunication path circuit links to each other with the Wireless/wired telecommunications network of interface with RS485, RS232, USB, INTNET computer network and GSM, CDMA, 3G and the ISDN of standard with gating circuit and standard traffic circuit with communication drivers with interface, or link to each other with the computer network of internal proprietary by the corresponding interface, realization links to each other with the two-way intelligence communication module of grid nodes parameter of same layer or upper strata or lower floor, be integrated into the distributed power grid communication system, carry out at a high speed, two-way, reach dynamic and intelligent communication in real time.
The metering different periods of every day that the Utilities Electric Co. of reception in real time sends by communication network, the electricity charge of different energy sources electric energy electric power and different energy sources electric energy apolegamy priority, and there be peak, valley power price signal and the electricity charge rate that supplier of electricity is assigned in real time, automatically work out electricity consumption distribution timetable according to tariff policies, automatically control the strategy that user's internal power is used, reach reasonable distribution electricity consumption, the optimum efficiency of energy savings, the saving electricity charge.
Because reality all can be by the multiple power supply power supply of distributed energy with following electricity consumption, after sun-generated electric power, wind energy power supply are finished equipment investment, during with zero energy consumption power supply, should utilize this power supply as far as possible, when even electricity consumption is not enough, also unnecessary electric power should be changed over to electrical network and use or store for other cellular systems.The cellular system of the distributed power supply smart grid of hierarchy structure can be accomplished for a short time of family, and capacity is several hectowatts or several kilowatts; For distributed electric power storage is provided convenience, and small investment, be convenient to management and safe handling.For reaching this effect basis and considering the charging and discharging of accumulator characteristic, time of discharging and recharging and electric weight all there is requirement, be safety, effectively, reasonably carry out management of charging and discharging and control, the utility model is provided with the batteries that the controlled storage battery of the single group of many groups is formed, the controlled batteries of the single group of many groups is set at the work batteries by four operating states, ready batteries, prepare batteries and one group of above standby battery group formation, the operating state of every group storage battery is set according to the relevant parameter of the sensor groups circuit collection of monitoring electrical quantity that is provided with and temperature parameter by the intelligent scheduling driver module that links to each other, but and carries out break-make by the electric-controlled switch group of synchronous break-make with charging circuit and inverter circuit and control.
The distributed power supply smart grid system of a kind of hierarchy structure of the utility model design, little by the bottom starting to family, building, Xiao Dian, school, hospital and institutional settings, community, greatly to the city, can ascending hierarchical classification, be deep into huge numbers of families, for the user who adopts the distribution energy such as solar energy, wind energy are installed power supply with family and community, unit and section, particularly suitable.Can significantly reduce the investment of intelligent grid, not only improve the power supply reliability of electrical network and the utilance of assets, the prosperity electricity market is resisted the attack that electrical network is subjected to, and is worth thereby improve electrical network, and huge numbers of families are benefited in the process that participates in.
Not far future, a large amount of distributed power sources also moves on the net in middle pressure or low-voltage distribution, the characteristics of traditional unidirectional trend of distribution system will thoroughly have been changed, distributed power supply smart grid by hierarchy structure makes up, formation is intelligent, automation distributed power supply smart grid system comes also coordinated operation to seamless being integrated into of these distributed power sources in the electrical network, can bring huge benefit.Except saving the investment to power transmission network, it can improve system-wide reliability and efficient, and urgent power and on-peak power support to electrical network are provided, and some other assistant service functions, as idle support, quality of power supply improvement etc.; Simultaneously, it also provides huge flexibility for system's operation.As under storm and ice and snow weather, when big electrical network was seriously damaged, these distributed power sources can form isolated island voluntarily or microgrid provides emergency service to responsible consumers such as hospital, transport hub and radio and television.
Description of drawings
Fig. 1 is a cellular system block diagram of the present utility model;
Fig. 2 is that a cellular system of the present utility model is connected the networking block diagram with last level cellular system, and A, B are system unit among the figure;
Fig. 3 is a typical networking block diagram of the present utility model;
Fig. 4 is the principle block diagram of information processing of the present utility model and management and control module;
Fig. 5 is the principle block diagram of intelligent scheduling driver module of the present utility model;
Fig. 6 is the principle block diagram of distributed energy access module of the present utility model;
Fig. 7 is the principle block diagram that parameter of the present utility model measures module;
Fig. 8 is the principle block diagram of intelligent control load output module of the present utility model;
Fig. 9 is the principle block diagram of the two-way intelligence communication module of grid nodes parameter of the present utility model.
Embodiment
Specific embodiment of the utility model is mainly used in a kind of embodiment that exemplary illustrated realizes according to principle of the present utility model, the professional and technical personnel can realize the utility model with more mode on the basis of understanding principle of the present utility model and method.Distributed power supply smart grid system to hierarchy structure is described below in conjunction with accompanying drawing, and still, technology of the present utility model and scheme are not limited to the content that the explanation of present embodiment provides.
As shown in Figure 1, the cellular system of the distributed power supply smart grid system of hierarchy structure measures module 14, intelligent control load output module 15 and the two-way intelligence communication module 16 of grid nodes parameter by information processing and management and control module 11, intelligent scheduling driver module 12, distributed energy access module 13, parameter, and the batteries of being made up of the many groups of controlled storage batterys of single group 17 constitutes.
During networking, the cellular system of the distributed power supply smart grid system of a hierarchy structure is connected with last level cellular system, as shown in Figure 2, that is: the cellular system A of the distributed power supply smart grid system of hierarchy structure is connected the networking schematic diagram with last level cellular system B.
Cellular system A mainly is made up of information processing and management and control module 11, intelligent scheduling module 12, distributed energy access module 13, parameter measurement module 14, intelligent control load output module 15, the two-way intelligence communication module 16 of grid nodes parameter, plurality of groups of storage batteries group 17, INTNET network 08, Wireless/wired communication network 09; Last level cellular system B mainly is made up of information processing and management and control module 21, intelligent scheduling module 22, distributed energy access module 23, parameter measurement module 24, intelligent control load output module 25, the two-way intelligence communication module 26 of grid nodes parameter, plurality of groups of storage batteries group 27, INTNET network 08, Wireless/wired communication network 09.
By the distributed energy access module 13 of cellular system A and the intelligent control load output module 25 of last level cellular system B; Link to each other with the two-way intelligence communication module 26 of the grid nodes parameter of last level cellular system B by INTNET network 08 or Wireless/wired communication network 09 by the two-way intelligence communication module of the grid nodes parameter of cellular system A 16 and to get final product.
Fig. 3 is the typical case of the distributed power supply smart grid system networking schematic diagram of hierarchy structure.As shown in Figure 3, the distributed energy access module 213,223 of the intelligent control of last layer level cellular system A11 load output module 115 and the cellular system B of next each networking of level ..., 2n3 links to each other respectively; The intelligent control load output module 215,225 of the distributed energy access module 113 of last layer level cellular system A11 and the cellular system B of next each networking of level ..., 2n5 links to each other respectively; The intelligent control load output module 215 of next level cellular system B21 links to each other with the distributed energy access module 223 of same level cellular system B22, the intelligent control load output module 225 of next level cellular system B22 links to each other with the distributed energy access module 233 of same level cellular system B23, the intelligent control load output module 2.n-1.5 of next level cellular system B2.n-1 links to each other with the distributed energy access module 2n3 of same level cellular system B2n, the intelligent control load output module 2n5 of next level cellular system B2n links to each other with the distributed energy access module 213 of same level cellular system B21; Cellular system B21, the B22 of the two-way intelligence communication module of the grid nodes parameter of last layer level cellular system A11 116 by INTNET network 08 or Wireless/wired communication network 09 and next each networking of level ..., B2n the two-way intelligence communication module 216,226 of grid nodes parameter ..., 2n6 links to each other respectively and gets final product.
The cellular system of the distributed power supply smart grid system of hierarchy structure, the formation accompanying drawings of its main electronic control module is as follows:
1. information processing and management and control module 11, as shown in Figure 4.
Based on microprocessor 1101, by bus 1112 programs and data storage 1102, communication drivers and gating circuit 1103, I/O drive circuit 1104, external memorizer interface circuit 1105, clock 1106 links to each other with module power supply circuit 1107; Communication drivers and gating circuit 1103 also with standard traffic circuit and interface 1108, and the system bus circuit link to each other with interface 1109; I/O drive circuit 1104 connects display circuit 1110 and keying circuit 1111, be connected parameter with interface 1109 by the system bus circuit and measure module 14, each input and the sensor information on each outlet line that are installed in distributed energy access module 13 and intelligent control load output module 15 and is connected on the intelligent scheduling driver module 12 of the batteries 17 that the controlled storage battery of the single group of many groups forms are gathered also analyzing and processing, and by the two-way intelligence communication module 16 of grid nodes parameter and computer network 08 and Wireless/wired communication network 09 real-time and supplier of electricity interactive information, compare according to the multipotency source power supply parameter of the power supply information that receives and classification tou power price data and monitoring in real time and to form the distribution instruction, this distribution instruction sends distributed energy access module 13 and intelligent control load output module 15 to, according to the distribution instruction but the electric-controlled switch on each input and each outlet line is carried out break-make control, finish the instruction allotment requirement of electric power allotment.
2. the intelligent scheduling driver module 12, as shown in Figure 5.
With microprocessor 1201 is core, but links to each other with gating circuit 1213 with memory 1202, clock 1203, modular power source 1204, A/D-D/A circuit 1205 electric-controlled switch groups 1211, I/O drive circuit 1208, communication drivers by bus 1214; And link to each other with charging circuit 1209, inverter circuit 1210 by I/O drive circuit 1208; Link to each other with sensor groups circuit 1206 by A/D-D/A circuit 1205; Storage battery interface group 1207 when connecting charging circuit 1209 and inverter circuit 1210, but also link to each other with sensor groups circuit 1206 with electric-controlled switch group 1211; The system bus circuit links to each other with gating circuit 1213 with communication drivers with interface 1212; Link to each other with distributed energy access module 13 and intelligent control load output module 15 with interface 1212 by the system bus circuit, the schedule driven instruction is sent in power scheduling instruction and requirement according to information processing and 11 transmissions of management and control module, after distributed energy access module 13 and intelligent control load output module 15 is received instruction, finish the corresponding control of intelligent switch that can the synchronous break-make of automatically controlled execution; Be provided with multiport charging circuit and multiport inverter circuit and each port be provided with one can the synchronous break-make of automatically controlled execution intelligent switch, and link to each other with storage battery, control the break-make of respectively organizing intelligent switch on charging circuit and the inverter circuit with requirement according to charging, the power transformation dispatch command of information processing and 11 transmissions of management and control module.
3. the distributed power source access module 13, as shown in Figure 6.
With microprocessor 1301 is core, by bus 1311 and multisensor circuit 1302, but protective circuit and electric-controlled switch group 1304, communication drivers and gating circuit 1305, clock 1308, module power supply circuit 1309 links to each other with memory 1310; Distributed power source access interface group 1303 and multisensor circuit 1302, but all link to each other at each input port of power access end mouth group 1303 with protective circuit and electric-controlled switch group 1304; System bus and interface 1306 and standard digital telecommunication circuit and interface 1307 are connected on communication drivers and the gating circuit 1305; The feature of distributed power source access module 13 is the ports with multiple power supply input; and in each port supply line the transducer that is used to monitor electrical quantity and temperature parameter is housed, but and by the electric-controlled switch group 1304 with protective circuit constitute can the synchronous break-make of automatically controlled execution intelligent switch and be controlled by intelligent scheduling driver module 12 by system bus and interface 1306.
4. parameter measures module 14, as shown in Figure 7.
Constitute embedded system by microprocessor 1401, and by bus 1410 connected storages 1402, A/D-D/A circuit 1403, communication drivers and gating circuit 1405, clock circuit 1408 and module power supply circuit 1409; Connect parameter measurement circuit and interface group 1404 by A/D-D/A circuit 1403; Link to each other with interface 1407 with the standard digital telecommunication circuit with interface 1406 with system bus with gating circuit 1405 by communication drivers; The transducer that is used to monitor electrical quantity and temperature parameter in the supply line by system bus and interface 1406 and parameter measurement circuit and interface group 1404 and each port that is installed in multiple power supply input and charging circuit and inverter circuit links to each other, the transducing signal that the pick-up transducers circuit sends, and convert transducing signal to data message by analog to digital conversion circuit A/D-D/A circuit 1403, by using for information processing and management and control module 11 after the microprocessor processes.
5. intelligent control load output module 15, as shown in Figure 8.
With microprocessor 1501 is the control core, by bus 1513 connected storages 1502, clock 1503, module power supply circuit 1504, sensor groups circuit 1505, metering circuit 1507, I/O drive circuit 1508 and communication drivers and gating circuit 1509; Connect input power switch control group 1511 and output power control switch group 1512 by I/O drive circuit 1508, also be respectively equipped with electric power protection circuit for input and output and port set 1506 in input power switch control group 1511 and output power control switch group 1512; Port inboard in electric power protection circuit for input and output and port set 1506 is connected with metering circuit 1507 with sensor groups circuit 1505 respectively; Be connected with system bus interface 1510 with gating circuit 1509 by communication drivers; Be characterized in providing each port of multiple user power supply output by electric power protection circuit for input and output and port set 1506; and be equipped with in each port supply line can automatically controlled execution synchronous switching off intelligent switch input power switch control group 1511; output power control switch group 1512, and be controlled by microprocessor 1501 and finish electric power allotment output of flexible AC transmission and HVDC Light with this.
6. the two-way intelligence communication module 16 of grid nodes parameter, as shown in Figure 9.
The embedded system that constitutes with microprocessor 1601 is a core, by bus 1612 and I/O drive circuit 1602, and communication drivers and gating circuit 1603, memory 1604, clock 1605 and module power supply circuit 1606 link to each other; Connect radio communication circuit and interface 1607 respectively by I/O drive circuit 1602 again, network communications circuits and interface 1608 and telecommunication path circuit and interface 1609; Link to each other with interface 1611 with system bus interface circuit 1610 and standard traffic circuit with gating circuit 1603 by communication drivers; It is characterized in that by radio communication circuit and interface 1607, network communications circuits and interface 1608, telecommunication path circuit and interface 1609, the RS485 of communication drivers and gating circuit 1603 and standard traffic circuit and interface 1611 and standard, RS232, USB, INTNET computer network and GSM, CDMA, the Wireless/wired communication network of 3G and ISDN links to each other, or link to each other with the internal proprietary computer network by the corresponding interface, realization links to each other with the two-way intelligence communication module of grid nodes parameter of same layer or upper strata or lower floor, be integrated into the distributed power grid communication system, carry out high speed, two-way, reach dynamic and intelligent communication in real time.
7. the design feature of batteries 17
Be safety, effectively, reasonably carry out management of charging and discharging and control, the utility model is provided with the batteries 17 that the controlled storage battery of the single group of many groups is formed, the controlled batteries of the single group of many groups is set at the work batteries by four operating states, ready batteries, prepare batteries and one group of above standby battery group formation, the relevant parameter that the operating state of every group storage battery is gathered according to the sensor groups circuit 1206 of monitoring electrical quantity that is provided with and temperature parameter by the intelligent scheduling driver module 12 that links to each other is set, and carries out break-make control by intelligent switch group 1211 that can the synchronous break-make of automatically controlled execution with charging circuit 1209 and inverter circuit 1210.
The cellular system of the distributed power supply smart grid system of above-mentioned hierarchy structure, module power supply circuit in its main electronic control module has comprised can be the reserve battery of module for power supply, and the power supply switch circuit of electrical quantity observation circuit and module electricity consumption, utilize the storage battery power supply of cellular system when module is normally moved, in particular cases automatically switch to reserve battery into module for power supply.
After system sets up, on the independent respectively the corresponding interface that inserts the distributed power source access module of the multiple power supply of distributed power source, as required electrical appliance is connected on again on the output interface of intelligent control load module.And, be connected with the output module of loading with the intelligent control of layer and upper unit system by the distributed power source access module of this layer cellular system, what input was supplied as electric power is a kind of; Simultaneously, be connected with distributed power source access module with layer and upper unit system by the intelligent control of this layer cellular system load output module, what output was supplied as electric power is a kind of.Link to each other with computer network by the two-way intelligence communication module of the grid nodes parameter of each cellular system again, just constituted the distributed power supply smart grid of hierarchy structure.After system opens, by information processing and management and control module system is carried out self check and initialization earlier, and call corresponding software by agreement and real time information and handle and generate scheme of electric power and corresponding dispatch command.As: can preestablish the donor and specify the zero energy consumption power supply of execution at first preferential, power supply is taken second place at a low price, conventional electricity once more etc., the power supply that other suboptimums are connected in the power supply of automatic isolated fault power supply when running into certain power failure, allotment is powered and is sent corresponding failure information notice relevant departments.
Because under distributed power source electrical network condition, for the flexibility of electrical network and user's independence, each unit all has a plurality of multiple power input mouths and a plurality of multiple output port of power source, when normal operation, to finish a plurality of task handling and control simultaneously; For this reason, the cellular system of the distributed power supply smart grid system of hierarchy structure of the present utility model, each module all has independently microprocessor, respectively to passing through the judge data of software set in advance, comparison and computational methods or according to real-time reception with measure parameters of electric power, the data message of power supply plan and ladder electricity price continuously dynamically updates automatically, be in operation the online data signal is carried out respective handling and judge according to the method for software set, in time evaluate and test the combination distribution of grid supply quality and the various electricity powers of optimization, the problem that maybe will take place that discovery has existed, immediately according to the method for software set take measures automatically again distribution and scheduling, controlled in real time or corrected, realized the intelligent management and control that each functional module of cellular system is parallel with asynchronous communication means by system bus.
The distributed power supply smart grid system of hierarchy structure can realize intelligent management and control automatically by the mode that is provided with; And after can handling according to the information of real time communication information, donor's appointment or collection, the dynamic new scheme of electric power that generates, the new distribution of readjusting and send power supply and electricity consumption instructs.Making system remain the rational utilization of electricity pattern of best and cost-saving, be user's cost saving, is that society saves resource, improves the utilance of distributed energy greatly; Not only disperse the investment of distributed energy electrical network, and reduced the cost of investment that distributed power source uses.
Claims (9)
1. the distributed power supply smart grid system of a hierarchy structure, it is characterized in that this power supply smart grid system employing information processing and management and control module (11), intelligent scheduling driver module (12), distributed power source access module (13), parameter measure module (14), intelligent control load output module (15) and the two-way intelligence communication module of grid nodes parameter (16), and the cellular system of the distributed power supply smart grid of batteries (17) the formation the hierarchy structure how controlled storage battery of group list group is formed;
The information processing of described cellular system and management and control module (11), intelligent scheduling driver module (12), distributed power source access module (13), parameter measure module (14), intelligent control load output module (15) and the two-way intelligence communication module of grid nodes parameter (16), all adopting with the microprocessor is the embedded system of core, has the independent CPUs processor;
In the described cellular system, distributed power source access module by the A of bottom floor units system is connected with the intelligent control load output module of upper strata or same layer cellular system B, and be connected with the upper strata or with layer corresponding distributed power source access module of cellular system B by the intelligent control of the A of bottom floor units system load output module, be connected with Wireless/wired communication network (09) by computer network (08) by the two-way intelligence communication module of the grid nodes parameter of each cellular system again, constitute the distributed power supply smart grid system of hierarchy structure.
2. according to the distributed power supply smart grid system of the described a kind of hierarchy structure of claim 1, it is characterized in that described information processing measures module (14) by system bus circuit (1109) with intelligent scheduling driver module (12), the two-way intelligence communication module of grid nodes parameter (16), parameter with management and control module (11) and links to each other, and link to each other with the two-way intelligence communication module of grid nodes parameter (16) by the two-way intelligence communication module of grid nodes parameter (16) or by computer network (08); Parameter is measured the parameter metric data information of module (14) collection and the real time data information that the two-way intelligence communication module of grid nodes parameter (16) is received, be that basis is analyzed, handled by the data message and the requirement of program and data storage (1102) saved software and keying circuit (1111) setting in advance, and send corresponding distribution dispatch command.
3. according to the distributed power supply smart grid system of the described a kind of hierarchy structure of claim 1, the information processing and the management and control module (11) that it is characterized in that described cellular system are provided with microprocessor (1101), program and data storage (1102), communication drivers and gating circuit (1103), I/O drive circuit (1104), external memorizer interface circuit (1105), clock (1106), module power supply circuit (1107), standard traffic circuit and interface (1108), system bus circuit and interface (1109), display circuit (1110), keying circuit (1111), bus (1112), by the system bus circuit with connect (1109) and be connected parameter and measure module (14), to being installed in distributed power source access module (13) and intelligent control load output module (15), and the sensor information of each input on the intelligent scheduling driver module (12) of connection batteries (17) and each outlet line is gathered and analyzing and processing, and by the two-way intelligence communication module of grid nodes parameter (16) and computer network (08) with Wireless/wired communication network (09) is real-time and the information system interactive information of supplier of electricity, according to the power supply information that receives, the multipotency source power supply parameter of classification tou power price data and monitoring is in real time compared and is formed the distribution instruction, this distribution instruction sends distributed power source access module (13) and intelligent control load output module (15) to, according to distribution instruction on each input and each outlet line can the synchronous break-make of automatically controlled execution intelligent switch control, finish the allotment requirement of electric power allotment instruction.
4. according to the distributed power supply smart grid system of the described a kind of hierarchy structure of claim 1, it is characterized in that described intelligent scheduling driver module (12) is provided with microprocessor (1201), memory (1202), clock (1203), module power supply circuit (1204), A/D-D/A circuit (1205), sensor groups circuit (1206), storage battery interface group (1207), I/O drive circuit (1208), charging circuit (1209), inverter circuit (1210), but electric-controlled switch group (1211), system bus circuit and interface (1212), communication drivers and gating circuit (1213), bus (1214); Link to each other with distributed power source access module (13) and intelligent control load output module (15) with interface (1212) by the system bus circuit, the schedule driven instruction is sent in power scheduling instruction and requirement according to information processing and management and control module (11) transmission, after distributed power source access module (13) and intelligent control load output module (15) is received instruction, finish the corresponding control of intelligent switch that can the synchronous break-make of automatically controlled execution; Be provided with multiport charging circuit and multiport inverter circuit, and each port be provided with one can the synchronous break-make of automatically controlled execution intelligent switch, described port links to each other with storage battery, controls the break-make of respectively organizing intelligent switch on charging circuit and the inverter circuit according to charging, power transformation and discharge dispatch command and the requirement of information processing and management and control module (11) transmission.
5. according to the distributed power supply smart grid system of the described a kind of hierarchy structure of claim 1; it is characterized in that described distributed power source access module (13) is provided with microprocessor (1301); multisensor circuit (1302); power access end mouth group (1303); but protective circuit and electric-controlled switch group (1304); communication drivers and gating circuit (1305); system bus circuit and interface (1306); standard digital telecommunication circuit and interface (1307); clock (1308); module power supply circuit (1309); memory (1310); bus (1311); port with multiple power supply input; and in each port supply line the transducer that is used to monitor electrical quantity and temperature parameter is housed, but and by the electric-controlled switch group (1304) with protective circuit constitute can the synchronous break-make of automatically controlled execution intelligent switch be controlled by intelligent scheduling driver module (12) by system bus circuit and interface (1306).
6. according to the distributed power supply smart grid system of the described a kind of hierarchy structure of claim 1, it is characterized in that described parameter measures module (14) and is provided with microprocessor (1401), memory (1402), A/D-D/A circuit (1403), parameter measurement circuit and interface group (1404), communication drivers and gating circuit (1405), system bus circuit and interface (1406), standard digital telecommunication circuit and interface (1407), clock circuit (1408), module power supply circuit (1409), bus (1410); The transducer that is used to monitor electrical quantity and temperature parameter in the supply line by system bus circuit and interface (1406) and parameter measurement circuit and interface group (1404) and each port that is installed in multiple power supply input and charging circuit and inverter circuit links to each other, the transducing signal that the pick-up transducers circuit sends, and by analog-digital conversion a/d-D/A circuit (1403), convert transducing signal to data message, by using for information processing and management and control module (11) after the microprocessor processes.
7. according to the distributed power supply smart grid system of the described a kind of hierarchy structure of claim 1; it is characterized in that described intelligent control load output module (15) is provided with microprocessor (1501); memory (1502); clock (1503); module power supply circuit (1504); sensor groups circuit (1505); electric power protection circuit for input and output and port set (1506); metering circuit (1507); I/O drive circuit (1508); communication drivers and gating circuit (1509); system bus interface circuit (1510); input power switch control group (1511); output power control switch group (1512); bus (1513); each port of multiple user power supply output is provided by electric power protection circuit for input and output and port set (1506); and be equipped with in each port supply line can the synchronous break-make of automatically controlled execution intelligent switch input power switch control group (1511); output power control switch group (1512), and be controlled by microprocessor (1501) and cooperate intelligent scheduling driver module (12) to finish electric power allotment output of flexible AC transmission and HVDC Light with this.
8. according to the distributed power supply smart grid system of the described a kind of hierarchy structure of claim 1, it is characterized in that the two-way intelligence communication module of described grid nodes parameter (16) is provided with microprocessor (1601), I/O drive circuit (1602), communication drivers and gating circuit (1603), memory (1604), clock (1605), module power supply circuit (1606), radio communication circuit and interface (1607), network communications circuits and interface (1608), telecommunication path circuit and interface (1609), system bus interface circuit (1610), standard traffic circuit and interface (1611), bus (1612), by radio communication circuit and interface (1607), network communications circuits and interface (1608), telecommunication path circuit and interface (1609), the RS485 of communication drivers and gating circuit (1603) and standard traffic circuit and interface (1611) and standard, RS232, USB, INTNET computer network (08), and GSM, CDMA, the Wireless/wired communication network (09) of 3G and ISDN links to each other, or link to each other with the computer network of internal proprietary by the corresponding interface, realization links to each other with the two-way intelligence communication module of grid nodes parameter, be integrated into the distributed power grid communication system, carry out high speed, two-way, reach dynamic and intelligent communication in real time.
9. according to the distributed power supply smart grid system of the described a kind of hierarchy structure of claim 1, it is characterized in that the batteries (17) that the controlled storage battery of the single group of described many groups is formed is set at the work batteries by four operating states, ready batteries, prepare batteries and one group of above standby battery group formation, the relevant parameter that the operating state of every group storage battery is gathered according to the sensor groups circuit (1206) of monitoring electrical quantity that is provided with and temperature parameter by the intelligent scheduling driver module (12) that links to each other is set, but and electric-controlled switch group (1211) and charging circuit (1209) by synchronous break-make, inverter circuit (1210) carries out break-make control.
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