CN112713613A - Square cabin type modularized micro-grid system - Google Patents

Square cabin type modularized micro-grid system Download PDF

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Publication number
CN112713613A
CN112713613A CN202011624620.4A CN202011624620A CN112713613A CN 112713613 A CN112713613 A CN 112713613A CN 202011624620 A CN202011624620 A CN 202011624620A CN 112713613 A CN112713613 A CN 112713613A
Authority
CN
China
Prior art keywords
wind
shelter
storage converter
power generation
generation module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011624620.4A
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Chinese (zh)
Inventor
张健鹏
王传斌
许任重
张群峰
李承锋
杨光怡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Zhenjiang Construction Group Co Ltd
Jiangsu Zhongneng Xinrun Electric Power Technology Co ltd
Jiangsu Zhenan Power Equipment Co Ltd
Original Assignee
Jiangsu Zhenjiang Construction Group Co Ltd
Jiangsu Zhongneng Xinrun Electric Power Technology Co ltd
Jiangsu Zhenan Power Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Zhenjiang Construction Group Co Ltd, Jiangsu Zhongneng Xinrun Electric Power Technology Co ltd, Jiangsu Zhenan Power Equipment Co Ltd filed Critical Jiangsu Zhenjiang Construction Group Co Ltd
Priority to CN202011624620.4A priority Critical patent/CN112713613A/en
Publication of CN112713613A publication Critical patent/CN112713613A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • H02S10/12Hybrid wind-PV energy systems
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00Supporting structures for PV modules
    • H02S20/30Supporting structures being movable or adjustable, e.g. for angle adjustment
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/76Power conversion electric or electronic aspects

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Wind Motors (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a square cabin type modularized micro-grid system. The wind power generation system comprises a photovoltaic assembly, a wind power generation module and a diesel generator set, wherein the photovoltaic assembly is connected with a light storage converter, the wind power generation module is connected with a wind storage converter, the diesel generator set is provided with a switching interface interlocked with commercial power, and the alternating current side of the light storage converter and the alternating current side of the wind storage converter are connected in parallel and then directly connected into a load or the outer network side of a grid-connected switching switch is connected with the switching interface to form a grid-connected operation access load. Has the advantages that: the system has the advantages that the economical efficiency of the system is greatly improved, the requirement on power supply reliability is high, and in order to guarantee stable power supply under the conditions of no wind and no light for a plurality of continuous days, a diesel generator is arranged in a power generation system, a diesel engine is started to directly supply power to a load, a storage battery can be supplemented and charged, the system can continuously operate, the power supply is stable, and in addition, the square cabin is arranged, so that the system is simple in structure, fast and convenient to operate and low in cost.

Description

Square cabin type modularized micro-grid system
Technical Field
The invention relates to a microgrid system, in particular to a square cabin type modularized microgrid system.
Background
Frontier island and remote local far-away city network are supplied with power by extending of the power grid, and are relatively poor in technical economy. However, once the generator fails, it is difficult to repair the generator in time, which inevitably affects work and life, and in addition, the existing single power supply mode depending on the generator has the problems of noise, pollution and excessive generating cost.
Disclosure of Invention
The invention aims to solve the technical problem of providing a shelter type modularized micro-grid system which is simple in structure, convenient to operate, low in cost, capable of continuously running and stable in power supply.
In order to solve the technical problem, the shelter type modularized microgrid system comprises a photovoltaic component, a wind power generation module and a diesel generator set, wherein the photovoltaic component is connected with a light storage converter, the wind power generation module is connected with a wind storage converter, the diesel generator set is connected with a mains supply through a grid-connected switching device, alternating current sides of the light storage converter and the wind storage converter are connected in parallel and then directly connected into a load or connected in parallel to an intranet side of a grid-connected switching switch of the grid-connected switching device to achieve grid connection with the diesel generator or the mains supply and then connected into the load.
The wind storage converter and the light storage converter respectively correspond to a group of lithium batteries to form an energy storage device.
Photovoltaic module's photovoltaic board is set in a mounting bracket, the mounting bracket passes through folding mechanism and installs the top at a shelter, aerogenerator module's aerogenerator installs on the lifter, the lateral part at the shelter is installed to the lifter.
And turning plates hinged through hinges are arranged at the edges of the upper side and the lower side of the mounting rack.
Folding mechanism includes the articulated bracing piece between the support of fixed mounting at shelter top and support and the mounting bracket, still be provided with drive arrangement between the bottom of shelter top and mounting bracket, can make mounting bracket upset motion through drive arrangement.
The power of each photovoltaic power generation module and the power of each wind power generation module are respectively 2 kW.
The invention has the advantages that:
by arranging a plurality of low-power modular components and a plurality of groups of converter modules which are connected in parallel and are backup to each other, after the alternating current side is connected in parallel, the converter modules can be connected with a commercial power or a diesel generator in a grid-connected mode through a grid-connected switching device, and the wind power, photoelectric and composite power generation system established by the converter modules can adopt a wind-solar complementary power generation mode according to the complementary characteristics of wind energy and solar energy, thereby greatly improving the economy of the system, particularly considering that the requirement on power supply reliability is higher, and the power can still be stably supplied under the continuous condition of no wind and no light for a plurality of days, so in the power generation system, a diesel generator is equipped, a diesel engine is started to directly supply power to a load, and a storage battery can also be complementarily charged, thereby leading the system to be continuously operated and the power supply to be stable, in addition, a photovoltaic panel and the wind power generator, not only has simple structure, rapid and convenient operation and low cost, but also can be dismantled and moved and has small occupied space.
Drawings
Fig. 1 is a schematic view of a stowed installation configuration of a shelter-type modular microgrid system of the present invention;
fig. 2 is a schematic view of an installation structure of the shelter-type modular microgrid system in an expanded state according to the present invention;
fig. 3 is a schematic structural diagram of the principle of the shelter-type modular microgrid system of the present invention.
Detailed Description
The shelter-type modular microgrid system of the invention is further described in detail below with reference to the accompanying drawings and the detailed description.
As shown in the figure, the shelter type modularized microgrid system comprises a photovoltaic module 1, a wind power generation module 2 and a diesel generator set 3, wherein the power of each photovoltaic power generation module and each wind power generation module is respectively 2kW, the photovoltaic module 1 is connected with a light storage converter 4, the wind power generation module 2 is connected with a wind storage converter 5, the diesel generator set 6 is connected with a mains supply through a grid-connected switching device 7, the grid-connected switching device is provided with a switching interface for interlocking the diesel generator set 6 with the mains supply, the alternating current sides of the light storage converters 4 and the wind storage converters 5 are connected in parallel and then directly connected into a load 8 or connected in parallel to the grid-connected switching switch intranet side of the grid-connected switching device 7 to realize grid connection with the diesel generator or the mains supply and then connected into the load 8, as can be seen from fig. 3, the embodiment comprises 2 paths of the photovoltaic modules 1, 2 paths of the wind, the grid-connected operation load is formed by connecting an alternating current side of a 2-path light storage converter and an alternating current side of a 2-path wind storage converter in parallel or connecting an outer grid side of a grid-connected change-over switch with a diesel generator set and a mains supply interlocking switching interface, wherein each group of photovoltaic modules 1 comprises 100W 10 blocks =1.0kW, and photovoltaic monomer parameters in each group of photovoltaic modules 1 are as follows: pmax 100W; vmp 17.4V; imp 5.75A; voc 22.4V, each wind storage converter 5 and each light storage converter 4 respectively correspond to a group of lithium batteries to form an energy storage device, specifically, a solar cell panel of each photovoltaic power generation module 1 is respectively connected with one photovoltaic energy storage converter, the energy storage side of each light storage converter is connected with the corresponding lithium battery, a wind power generator of each wind power generation module is respectively connected with one wind energy storage converter, the energy storage side of each wind energy storage converter is connected with the corresponding lithium battery, the alternating current sides of all the energy storage converters are connected in parallel and then connected with the inner network side of a grid-connected switching device to carry out load, the system monitors the charge state and the load condition of each device, preferentially uses the energy of the photovoltaic and the wind power generators, when the existing electric quantity cannot meet the working condition, the stored energy is supplemented, when the stored energy is lower than a certain electric quantity, the commercial power or the self, the commercial power and diesel generator interface are provided with an interlocking switch, so that the system is safe and reliable.
Furthermore, each photovoltaic panel 9 of the photovoltaic module 1 is embedded in a mounting rack 10, the mounting rack 10 is mounted at the top of a shelter 12 through a folding mechanism 11, the folding mechanism 11 comprises a support 17 fixedly mounted at the top of the shelter 12 and a support rod 18 hinged between the support and the mounting rack 10, a driving device 19 is further arranged between the top of the shelter 12 and the bottom of the mounting rack 10, the mounting rack 10 can be turned over through the driving device, a wind driven generator 13 of the wind driven generation module 2 is mounted on a manual lifting rod 14, the lifting rod 14 is mounted at the side part of the shelter, the height can be adjusted properly according to the working conditions on site, blades are removed during transportation and mounted in the shelter of shelter equipment, the wind driven generation mode is adopted by the wind driven generation set, turning plates 16 hinged through hinges 15 are arranged at the edges of the upper side and the lower side of the mounting rack 10, the turnover plate can be used as an extension unit, the size of the turnover plate after being turned over is the same as that of the shelter,
it is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.

Claims (6)

1. A little grid system of shelter formula modularization which characterized in that: including photovoltaic module (1), wind power generation module (2) and diesel generating set (3), photovoltaic module (1) is connected with light storage converter (4), wind power generation module (2) are connected with wind storage converter (5), diesel generating set (6) are connected with the commercial power through switch device (7) that is incorporated into the power networks, light storage converter (4) and wind storage converter (5) exchange the side parallel connection back direct access load (8) or parallelly connected to realizing being incorporated into the power networks with firewood or commercial power and insert load (8) after the change over switch intranet side of being incorporated into the power networks of net switch device (7) in parallel.
2. The shelter-type modular microgrid system of claim 1, characterized in that: the wind energy storage converter (5) and the light energy storage converter (4) respectively correspond to a group of lithium batteries to form an energy storage device.
3. The shelter-type modular microgrid system of claim 1 or 2, characterized in that: photovoltaic board (9) of photovoltaic module (1) are embedded in a mounting bracket (10), the top at a shelter (12) is installed through folding mechanism (11) in mounting bracket (10), aerogenerator (13) of wind power generation module (2) are installed on lifter (14), the lateral part at the shelter is installed in lifter (14).
4. The shelter-type modular microgrid system of claim 3, characterized in that: and turning plates (16) hinged through hinges (15) are arranged on the edges of the upper side and the lower side of the mounting rack (10).
5. The shelter-type modular microgrid system of claim 4, characterized in that: folding mechanism (11) are including articulated bracing piece (18) between support (17) and support and mounting bracket (10) at fixed mounting square cabin (12) top, still be provided with drive arrangement (19) between the bottom of square cabin (12) top and mounting bracket (10), can make mounting bracket (10) upset motion through drive arrangement.
6. The shelter-type modular microgrid system of claim 1, characterized in that: the power of each photovoltaic power generation module (1) and the power of each wind power generation module (2) are respectively 2 kW.
CN202011624620.4A 2020-12-31 2020-12-31 Square cabin type modularized micro-grid system Pending CN112713613A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011624620.4A CN112713613A (en) 2020-12-31 2020-12-31 Square cabin type modularized micro-grid system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011624620.4A CN112713613A (en) 2020-12-31 2020-12-31 Square cabin type modularized micro-grid system

Publications (1)

Publication Number Publication Date
CN112713613A true CN112713613A (en) 2021-04-27

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CN202011624620.4A Pending CN112713613A (en) 2020-12-31 2020-12-31 Square cabin type modularized micro-grid system

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114362243A (en) * 2021-12-10 2022-04-15 江苏镇安电力设备有限公司 Battery charging control method for micro-grid system
CN114809740A (en) * 2021-12-16 2022-07-29 江苏镇安电力设备有限公司 Self-heating thermal insulation device based on power distribution equipment
CN114844091A (en) * 2022-03-14 2022-08-02 天水六九一三电子科技有限责任公司 Little electric wire netting supply vehicle of new forms of energy
CN116131723A (en) * 2023-04-19 2023-05-16 赫里欧新能源有限公司 Electric power supply system of breeze generator with container body

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102255354A (en) * 2011-06-10 2011-11-23 天津瑞拓电子科技开发有限公司 Miniaturization equipment system having functions of oxygen generation, water generation and wind-light complementary power generation
CN111463827A (en) * 2020-04-20 2020-07-28 江苏镇安电力设备有限公司 Multi-machine parallel small-sized micro-grid system
CN111464113A (en) * 2020-04-20 2020-07-28 江苏镇安电力设备有限公司 Modular small-sized optical storage micro-grid device and control system
CN215733506U (en) * 2020-12-31 2022-02-01 江苏镇安电力设备有限公司 Square cabin type modularized micro-grid device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102255354A (en) * 2011-06-10 2011-11-23 天津瑞拓电子科技开发有限公司 Miniaturization equipment system having functions of oxygen generation, water generation and wind-light complementary power generation
CN111463827A (en) * 2020-04-20 2020-07-28 江苏镇安电力设备有限公司 Multi-machine parallel small-sized micro-grid system
CN111464113A (en) * 2020-04-20 2020-07-28 江苏镇安电力设备有限公司 Modular small-sized optical storage micro-grid device and control system
CN215733506U (en) * 2020-12-31 2022-02-01 江苏镇安电力设备有限公司 Square cabin type modularized micro-grid device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114362243A (en) * 2021-12-10 2022-04-15 江苏镇安电力设备有限公司 Battery charging control method for micro-grid system
CN114809740A (en) * 2021-12-16 2022-07-29 江苏镇安电力设备有限公司 Self-heating thermal insulation device based on power distribution equipment
CN114844091A (en) * 2022-03-14 2022-08-02 天水六九一三电子科技有限责任公司 Little electric wire netting supply vehicle of new forms of energy
CN116131723A (en) * 2023-04-19 2023-05-16 赫里欧新能源有限公司 Electric power supply system of breeze generator with container body

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