CN104377823A - On-line monitoring system for power transmission equipment - Google Patents
On-line monitoring system for power transmission equipment Download PDFInfo
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- CN104377823A CN104377823A CN201410657445.7A CN201410657445A CN104377823A CN 104377823 A CN104377823 A CN 104377823A CN 201410657445 A CN201410657445 A CN 201410657445A CN 104377823 A CN104377823 A CN 104377823A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- 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
- Y04S10/16—Electric power substations
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Abstract
The invention relates to an on-line monitoring system for power transmission equipment. Under the situation that power is not cut, continuous or periodical automatic monitoring are carried out on the electrical equipment condition. The on-line monitoring system is of a bus type layered distributing structure and comprises a process layer, a spacing layer and a station control layer. The process layer is located on the bottom layer of the on-line monitoring system and comprises a transformer, an electric reactor, a breaker, a GIS, a capacitive type device, a metallic oxide lightning arrester and other on-line monitoring devices of primary equipment. The spacing layer is located on the middle layer of the on-line monitoring system, and the functions of monitoring data collecting, data processing, standardized data communication agency, threshold value comparing, monitoring and early warning and the like of the monitoring devices related to the monitored and detected equipment are achieved. The station control layer is located on the upper layer of the on-line monitoring system, a station terminal monitoring unit controls running of the whole on-line monitoring system with a transformer substation as a monitored and detected object.
Description
Technical field
The present invention relates to a kind of converting equipment on-line monitoring system, specifically a kind of converting equipment on-line monitoring system be applied in electric power system.
Background technology
Along with the fast development of power construction, the continuous expansion of electrical network scale.In many-sided situation, construction and the plant maintenance work of electrical network are more and more frequent.Transmission line as electric power conveying tie have distance, dispersed large, be difficult to make an inspection tour and the feature such as maintenance, following Te Likang product " transmission line status on-line monitoring system " can well be monitored the state of transmission line.
Transmission line status on-line monitoring system is mainly used in monitoring transmission line ruuning situation, diagnosis transmission line equipment state.Transmission line status on-line monitoring system is by various detector, detect the digital informations such as the temperature of power transmission line, humidity, wind speed, wind direction, leakage current, icing situation, video image or picture, by GPRS/CDMA passage, upload to transmission line status on-line monitoring Surveillance center, log in various Internal Management System and dispatch automated system by in-house network simultaneously.Surveillance center is provided with LCD splicing large screen system, the information such as various online monitoring data, image, video and recovery vehicle position can intuitively be presented on large-screen, make monitor staff can watch-dog ruuning situation in time, accurate judgment device state and field condition, commander's vehicle and professional process maintenance and the repairing work of various transmission line.
But, existing converting equipment on-line monitoring system lacks special data relay processing capacity, the data causing monitoring device to monitor cannot carry out exchanges data with the dispatch control unit of higher level and the station end monitoring means of subordinate safely and reliably, and the instability of easily factor data transmission or imperfect causing control misoperation, and then affect the safe and stable operation of electrical network, cause inevitable economic loss.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides a kind of novel converting equipment on-line monitoring system.Described converting equipment on-line monitoring system comprises monitoring device, comprehensive monitoring unit and station end monitoring means, for when not having a power failure, carry out continuously or periodically automatic monitoring to power equipment situation to detect, realize the collection of on-line monitoring status data, transmission, background process and storage forwarding function.
Described monitoring device to be arranged on monitored equipment or near, in order to automatically to gather, to process and to send monitored equipment state information, monitoring device is by fieldbus, Ethernet, wireless communication mode and comprehensive monitoring unit or directly hold monitoring means to communicate with standing.This monitoring device has following function: preprocessing function a) realizing the automatic collection of monitored equipment state parameter, signal condition, analog-to-digital conversion and data; B)
Realize monitoring parameter in-situ digitalization and buffer memory, monitoring result periodically can send to comprehensive monitoring unit or station end monitoring means, also extracts by computer this locality; C) monitoring device at least can store the data of seven days.
Described comprehensive monitoring unit take monitored equipment as object, receives the data that the on-Line Monitor Device relevant to monitored equipment sends, and carries out processing process to data, realizes holding monitoring means to carry out standardized data communication with station.This comprehensive monitoring unit has following function: a) converge the data that all relevant monitoring devices of monitored equipment send, generate the standardized data of holding monitoring means directly to utilize in station in conjunction with computation model, possesses the interface that data are extracted in computer this locality; B) there is initial analysis (as threshold value, trend etc. compare), warning function; C) hold data interaction and the Controlling vertex of monitoring means as monitoring device and station, realize on-the-spot buffer memory and forwarding capability.Comprise the standardized data uploading comprehensive monitoring unit; Pass the station control command that sends of end monitoring means down, as filled under computation model parameter, data calling, pair time, force to restart.
Described station end monitoring means take transformer station as object, bear all analysis of Monitoring Data and management to monitoring device, comprehensive monitoring unit in station, realize the comprehensive analysis to Monitoring Data, warning function, and to monitoring device and comprehensive monitoring unit parameters, data calling, pair time, force controlling functions such as restarting, and Standardization Communication can be carried out with main website.This station end monitoring means has following function: a) carry out overall monitor management to on-Line Monitor Device, comprehensive monitoring unit and the Condition Monitoring Data that gathers in station, support that artificial calling and timing automatic poll two kinds of modes gather Monitoring Data, can realize functions such as the detection before on-Line Monitor Device and comprehensive monitoring cellular installation and after installing, configuration and registrations; B) set up unified database, carry out time series deposit, realize the centralized management of online data, and the function with transformer station's state access controller (CAC) communicates with upper platform; C) realize that converting equipment Condition Monitoring Data is comprehensively analyzed, failure diagnosis and warning function; D) system has extensibility and secondary development function, and accessible monitoring device type, monitoring image, analytical statement etc. are unrestricted; The function of simultaneity factor is also extendible, and application software adopts SOA framework, and the interpolation of status of support detection data analysis algorithm, deletion, retouching operation, can adapt to the development of on-line monitoring and operational management; E) realize converting equipment Condition Monitoring Data and analysis result distribution platform, the data publication instruments such as figure, curve, form are provided; F) there is remote maintenance and diagnostic function, realize the work such as the maintenance of system strange land, upgrading, failure diagnosis and eliminating by Telnet.
Described on-line monitoring system also has capacitance type equipment, and described capacitance type equipment adopts the equipment of capacitance plate insulation system, as any one in capacitive current transformer, capacitance type potential transformer, coupling capacitor, condenser bushing.
Described converting equipment on-line monitoring system has its specific system architecture, is specially the layered distribution type structure that this converting equipment on-line monitoring system adopts bus type, is divided into process layer, wall and station level.Described process layer comprises the on-Line Monitor Device of the primary equipments such as transformer, reactor, circuit breaker, GIS, capacitance type equipment, metal oxide arrester.Realize the functions such as converting equipment state information automatically gathers, measures, in-situ digitalization.
Described wall comprises transformer/reactor comprehensive monitoring unit, circuit breaker/GIS comprehensive monitoring unit, capacitance type equipment/metal oxide arrester comprehensive monitoring unit.Realize that monitored equipment is correlated with that the Monitoring Data of monitoring device is collected, the function such as data mart modeling process, standardized data Correspondent, threshold value compare, monitoring and warning.
Described station level comprises station end monitoring means.The operation realizing whole on-line monitoring system controls, and the function such as the collecting of online monitoring data of all converting equipments, comprehensively analysiss, failure diagnosis, monitoring and warning, data display (being located at concentrator station), storage and standardized data forwarding in station.
Process layer is various monitoring device, and monitoring device take monitoring project as object, as Gases Dissolved in Transformer Oil monitoring device, local discharge monitoring device of transformer etc.Process layer comprises the on-Line Monitor Device of the primary equipments such as transformer (reactor), circuit breaker (GIS), capacitance type equipment.Realize the functions such as converting equipment state information automatically gathers, measures, in-situ digitalization.Monitoring device should adopt unified communications protocol and comprehensive monitoring unit communication, or directly holds monitoring means to communicate with station, preferably adopts DL/T 860 standard.
Wall is comprehensive monitoring unit, and comprehensive monitoring unit is object with monitored equipment, comprises transformer/reactor comprehensive monitoring unit, circuit breaker/GIS comprehensive monitoring unit, capacitance type equipment comprehensive monitoring unit.The functions such as the Monitoring Data realizing the whole monitoring device of monitored equipment is collected, intelligent data processing process, standardized data Correspondent.Comprehensive monitoring unit supports the conversion of various protocols, preferably adopts DL/T 860.81 standard to hold monitoring means to communicate with station.
Station level is station end monitoring means, end monitoring means of standing take transformer station as monitoring target, the operation realizing whole on-line monitoring system controls, and in station all converting equipments the collecting of online monitoring data, threshold value compares, trend analysis, failure diagnosis, monitoring and warning, data display (being located at concentrator station), store and the function such as standardized data forwarding.The function that end monitoring means of standing has CAC communicates with upper platform.
Wherein, the Contents for Monitoring of transformer/reactor comprises: partial discharge, oil dissolved gas, Wei Shui, iron core grounding electric current, top-oil temperature, winding optical fiber temperature-measurement, transformer vibrational spectrum, on load tap changer, transformer acoustic fingerprints; The Contents for Monitoring of metal oxide arrester comprises insulating monitoring; Circuit breaker/GIS comprises partial discharge, divide-shut brake coil current waveform, load current waveform, SF6 gas pressure, SF6 gas moisture, energy storage motor operating state; The Contents for Monitoring of capacitance type equipment comprises insulating monitoring.
And, the monitoring target of oil dissolved gas is comprised: hydrogen, methane, ethane, ethene, acetylene, carbon monoxide, carbon dioxide, oxygen, nitrogen, total hydrocarbon.The object of capacitance type equipment insulation monitoring comprises: capacitance, dielectric dissipation factor, three phase unbalance current, three-phase imbalance voltage, total current, system voltage.
Due to technique scheme, the present invention has following beneficial effect: can carry out standardized process to the data monitored, and buffer memory and forwarding are carried out to data, thus improve the process of the status data of converting equipment and the reliability and stability of transmission, control for converting equipment provides effective guarantee, decrease the probability of power station equipment misoperation, improve the stability of operation of power networks.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is on-line monitoring system frame diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
Embodiment:
See Fig. 1, described converting equipment on-line monitoring system comprises monitoring device, comprehensive monitoring unit and station end monitoring means, for when not having a power failure, carry out continuously or periodically automatic monitoring to power equipment situation to detect, realize the collection of on-line monitoring status data, transmission, background process and storage forwarding function.
Described monitoring device to be arranged on monitored equipment or near, in order to automatically to gather, to process and to send monitored equipment state information, monitoring device is by fieldbus, Ethernet, wireless communication mode and comprehensive monitoring unit or directly hold monitoring means to communicate with standing.This monitoring device has following function: preprocessing function a) realizing the automatic collection of monitored equipment state parameter, signal condition, analog-to-digital conversion and data; B)
Realize monitoring parameter in-situ digitalization and buffer memory, monitoring result periodically can send to comprehensive monitoring unit or station end monitoring means, also extracts by computer this locality; C) monitoring device at least can store the data of seven days.
Described comprehensive monitoring unit take monitored equipment as object, receives the data that the on-Line Monitor Device relevant to monitored equipment sends, and carries out processing process to data, realizes holding monitoring means to carry out standardized data communication with station.This comprehensive monitoring unit has following function: a) converge the data that all relevant monitoring devices of monitored equipment send, generate the standardized data of holding monitoring means directly to utilize in station in conjunction with computation model, possesses the interface that data are extracted in computer this locality; B) there is initial analysis (as threshold value, trend etc. compare), warning function; C) hold data interaction and the Controlling vertex of monitoring means as monitoring device and station, realize on-the-spot buffer memory and forwarding capability.Comprise the standardized data uploading comprehensive monitoring unit; Pass the station control command that sends of end monitoring means down, as filled under computation model parameter, data calling, pair time, force to restart.
Described station end monitoring means take transformer station as object, bear all analysis of Monitoring Data and management to monitoring device, comprehensive monitoring unit in station, realize the comprehensive analysis to Monitoring Data, warning function, and to monitoring device and comprehensive monitoring unit parameters, data calling, pair time, force controlling functions such as restarting, and Standardization Communication can be carried out with main website.This station end monitoring means has following function: a) carry out overall monitor management to on-Line Monitor Device, comprehensive monitoring unit and the Condition Monitoring Data that gathers in station, support that artificial calling and timing automatic poll two kinds of modes gather Monitoring Data, can realize functions such as the detection before on-Line Monitor Device and comprehensive monitoring cellular installation and after installing, configuration and registrations; B) set up unified database, carry out time series deposit, realize the centralized management of online data, and the function with transformer station's state access controller (CAC) communicates with upper platform; C) realize that converting equipment Condition Monitoring Data is comprehensively analyzed, failure diagnosis and warning function; D) system has extensibility and secondary development function, and accessible monitoring device type, monitoring image, analytical statement etc. are unrestricted; The function of simultaneity factor is also extendible, and application software adopts SOA framework, and the interpolation of status of support detection data analysis algorithm, deletion, retouching operation, can adapt to the development of on-line monitoring and operational management; E) realize converting equipment Condition Monitoring Data and analysis result distribution platform, the data publication instruments such as figure, curve, form are provided; F) there is remote maintenance and diagnostic function, realize the work such as the maintenance of system strange land, upgrading, failure diagnosis and eliminating by Telnet.
Described on-line monitoring system also has capacitance type equipment, and described capacitance type equipment adopts the equipment of capacitance plate insulation system, as any one in capacitive current transformer, capacitance type potential transformer, coupling capacitor, condenser bushing.
Described converting equipment on-line monitoring system has its specific system architecture, is specially the layered distribution type structure that this converting equipment on-line monitoring system adopts bus type, is divided into process layer, wall and station level.Described process layer comprises the on-Line Monitor Device of the primary equipments such as transformer, reactor, circuit breaker, GIS, capacitance type equipment, metal oxide arrester.Realize the functions such as converting equipment state information automatically gathers, measures, in-situ digitalization.
Described wall comprises transformer/reactor comprehensive monitoring unit, circuit breaker/GIS comprehensive monitoring unit, capacitance type equipment/metal oxide arrester comprehensive monitoring unit.Realize that monitored equipment is correlated with that the Monitoring Data of monitoring device is collected, the function such as data mart modeling process, standardized data Correspondent, threshold value compare, monitoring and warning.
Described station level comprises station end monitoring means.The operation realizing whole on-line monitoring system controls, and the function such as the collecting of online monitoring data of all converting equipments, comprehensively analysiss, failure diagnosis, monitoring and warning, data display (being located at concentrator station), storage and standardized data forwarding in station.
Process layer is various monitoring device, and monitoring device take monitoring project as object, as Gases Dissolved in Transformer Oil monitoring device, local discharge monitoring device of transformer etc.Process layer comprises the on-Line Monitor Device of the primary equipments such as transformer (reactor), circuit breaker (GIS), capacitance type equipment.Realize the functions such as converting equipment state information automatically gathers, measures, in-situ digitalization.Monitoring device should adopt unified communications protocol and comprehensive monitoring unit communication, or directly holds monitoring means to communicate with station, recommends to adopt DL/T 860 standard.
Wall is comprehensive monitoring unit, and comprehensive monitoring unit is object with monitored equipment, comprises transformer/reactor comprehensive monitoring unit, circuit breaker/GIS comprehensive monitoring unit, capacitance type equipment comprehensive monitoring unit.The functions such as the Monitoring Data realizing the whole monitoring device of monitored equipment is collected, intelligent data processing process, standardized data Correspondent.Comprehensive monitoring unit supports the conversion of various protocols, adopts DL/T 860.81 standard to hold monitoring means to communicate with station.
Station level is station end monitoring means, end monitoring means of standing take transformer station as monitoring target, the operation realizing whole on-line monitoring system controls, and in station all converting equipments the collecting of online monitoring data, threshold value compares, trend analysis, failure diagnosis, monitoring and warning, data display (being located at concentrator station), store and the function such as standardized data forwarding.The function that end monitoring means of standing should have CAC communicates with upper platform.
Wherein, the Contents for Monitoring of transformer/reactor comprises: partial discharge, oil dissolved gas, Wei Shui, iron core grounding electric current, top-oil temperature, winding optical fiber temperature-measurement, transformer vibrational spectrum, on load tap changer, transformer acoustic fingerprints; The Contents for Monitoring of metal oxide arrester comprises insulating monitoring; Circuit breaker/G I S comprises partial discharge, divide-shut brake coil current waveform, load current waveform, SF6 gas pressure, SF6 gas moisture, energy storage motor operating state; The Contents for Monitoring of capacitance type equipment comprises insulating monitoring.
And, the monitoring target of oil dissolved gas is comprised: hydrogen, methane, ethane, ethene, acetylene, carbon monoxide, carbon dioxide, oxygen, nitrogen, total hydrocarbon.The object of capacitance type equipment insulation monitoring comprises: capacitance, dielectric dissipation factor, three phase unbalance current, three-phase imbalance voltage, total current, system voltage.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (4)
1. a converting equipment on-line monitoring system, its system architecture comprises process layer, wall and station level, for when not having a power failure, carry out continuously or periodically automatic monitoring to power equipment situation to detect, realize the collection of on-line monitoring status data, transmission, background process and storage forwarding function, it is characterized in that, described process layer is in the bottom of line monitoring system, comprises the on-Line Monitor Device of the primary equipments such as transformer, reactor, circuit breaker, GIS, capacitance type equipment, metal oxide arrester; Described wall is in the intermediate layer of line monitoring system, realizes that monitored equipment is correlated with that the Monitoring Data of monitoring device is collected, the function such as data mart modeling process, standardized data Correspondent, threshold value compare, monitoring and warning; Station level is in the upper strata of line monitoring system, and station end monitoring means is wherein monitoring target with transformer station, and the operation realizing whole on-line monitoring system controls.
2. converting equipment on-line monitoring system according to claim 1, it is characterized in that, described wall comprises transformer/reactor comprehensive monitoring unit, circuit breaker/GIS comprehensive monitoring unit, capacitance type equipment/metal oxide arrester comprehensive monitoring unit, realizes that monitored equipment is correlated with that the Monitoring Data of monitoring device is collected, data mart modeling process, standardized data Correspondent, threshold value compare, monitoring and warning function.
3. converting equipment on-line monitoring system according to claim 2, it is characterized in that, station level is station end monitoring means, end monitoring means of standing take transformer station as monitoring target, the operation realizing whole on-line monitoring system controls, and the function such as the collecting of online monitoring data, threshold value compares, trend analysis, failure diagnosis, monitoring and warning, data display, storage and standardized data forwarding of all converting equipments in station, end monitoring means of stand has the function of transformer station's state reception controller and communicates with upper platform.
4. converting equipment on-line monitoring system according to claim 3, it is characterized in that, the Contents for Monitoring of transformer/reactor comprises: partial discharge, oil dissolved gas, Wei Shui, iron core grounding electric current, top-oil temperature, winding optical fiber temperature-measurement, transformer vibrational spectrum, on load tap changer, transformer acoustic fingerprints; The Contents for Monitoring of metal oxide arrester comprises insulating monitoring; Circuit breaker/GIS Contents for Monitoring comprises partial discharge, divide-shut brake coil current waveform, load current waveform, SF6 gas pressure, SF6 gas moisture, energy storage motor operating state; The Contents for Monitoring of capacitance type equipment comprises insulating monitoring.
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| CN201410657445.7A CN104377823A (en) | 2014-11-18 | 2014-11-18 | On-line monitoring system for power transmission equipment |
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| CN201410657445.7A CN104377823A (en) | 2014-11-18 | 2014-11-18 | On-line monitoring system for power transmission equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104954198A (en) * | 2015-05-26 | 2015-09-30 | 中国南方电网有限责任公司超高压输电公司南宁局 | Intelligent substation process layer exchanger state monitoring device and method |
| CN106026088A (en) * | 2016-07-12 | 2016-10-12 | 国网天津市电力公司 | Distribution network automation policy based on load section dividing transferring |
| CN106646324A (en) * | 2017-01-25 | 2017-05-10 | 云南电网有限责任公司电力科学研究院 | CVT metering error abnormal state evaluation method and CVT metering error abnormal state evaluation system |
| CN106707114A (en) * | 2016-11-22 | 2017-05-24 | 华北电力大学 | Method and device for detecting operation states of GIS Intervals |
| CN108988490A (en) * | 2018-07-04 | 2018-12-11 | 安徽迪康电力科技有限公司 | A kind of box type transformer remote monitoring system |
| CN111614512A (en) * | 2020-04-27 | 2020-09-01 | 国网山东省电力公司电力科学研究院 | Asset learning method, device and equipment based on hierarchical association and intelligent substation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104954198A (en) * | 2015-05-26 | 2015-09-30 | 中国南方电网有限责任公司超高压输电公司南宁局 | Intelligent substation process layer exchanger state monitoring device and method |
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| CN106646324B (en) * | 2017-01-25 | 2019-03-12 | 云南电网有限责任公司电力科学研究院 | A kind of CVT measurement error abnormality appraisal procedure and system |
| CN108988490A (en) * | 2018-07-04 | 2018-12-11 | 安徽迪康电力科技有限公司 | A kind of box type transformer remote monitoring system |
| CN111614512A (en) * | 2020-04-27 | 2020-09-01 | 国网山东省电力公司电力科学研究院 | Asset learning method, device and equipment based on hierarchical association and intelligent substation |
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Application publication date: 20150225 |