CN203800702U - Power transformation equipment online monitoring system - Google Patents
Power transformation equipment online monitoring system Download PDFInfo
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- CN203800702U CN203800702U CN201420037732.3U CN201420037732U CN203800702U CN 203800702 U CN203800702 U CN 203800702U CN 201420037732 U CN201420037732 U CN 201420037732U CN 203800702 U CN203800702 U CN 203800702U
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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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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a power transformation equipment online monitoring system. The power transformation equipment online monitoring system comprises a transformer online monitoring system, an insulator on-line monitoring system, a circuit breaker online monitoring system, a GIS device online monitoring system, a lightning arrester online monitoring system, a capacitor online monitoring system, a series compensation equipment online monitoring system, a dry type reactor online monitoring system, a mutual inductor online monitoring system, a converter valve online monitoring system, a direct current grounding electrode online monitoring system, a monitoring server and a database server, wherein the monitoring server is used for receiving and processing monitoring information from power transformation equipment monitoring subsystems, and stores the monitoring information in the database server. With the power transformation equipment online monitoring system of the utility model adopted, an integrated and unified architecture of data, systems and applications and the like of the plurality of power transformation equipment online monitoring subsystems can be realized.
Description
Technical field
The utility model belongs to high voltage dc transmission technology field, especially a kind of converting equipment on-line monitoring system.
Background technology
Converting equipment online monitoring data analyzing and diagnosing platform mainly carries collection, displaying, storage, the analyzing function for all kinds of running state information of converting equipment.Should be able to replace the operational mode of manual inspection, distributed collection and storage with automation, integrated monitoring means, raise labour efficiency; With powerful analyzing and processing technology, seek discrimination equipment running status and characterize the logical communication link between equipment health degree, provide equipment real-time status assessment result, for the work such as equipment operation, maintenance, maintenance provide technical support.This content of platform comprises monitoring, the analytic function to various quantity of states of primary equipment such as transformer, insulator, circuit breaker, GIS device, lightning arrester, capacitance type equipment, string benefit, dry reactor, instrument transformer, converter valve, earth electrodes in transformer station.Be limited to collection in worksite means, equipment component quantity of state cannot gather at present.
Utility model content
For the defect of prior art, the purpose of this utility model is to provide a kind of converting equipment on-line monitoring system, and it can realize the integrated unified shader of data, system and the application etc. of multiple converting equipment on-line monitoring subsystems.
For realizing above object, the technical scheme that the utility model is taked is:
A kind of converting equipment on-line monitoring system, it comprises:
Transformer online monitoring system, for monitoring Gases Dissolved in Transformer Oil, partial discharge of transformer, transformer temperature, iron core grounding current, water content in oil, deformation of transformer winding, transformer on-load voltage regulating tap and transformer vibration;
Insulator on-line monitoring system, for monitoring insulator temperature, humidity, equivalent salt density, average Leakage Current, maximum Leakage Current, Leakage Current;
Circuit breaker on-line monitoring system, for monitoring circuit breaker and operating mechanism mechanical property, insulating properties, temperature characterisitic, SF6 gas, Vacuity of Vacuum Circuit Breakers;
GIS device on-line monitoring system, monitors for the partial discharge monitoring to GIS device, mechanical property monitoring, SF6 density, lightning-arrest pipe;
Arrester on-line monitoring system, monitors for the total current to lightning arrester, current in resistance property peak value component, resistive current first harmonics component, current in resistance property 3 order harmonic components;
Capacitor on-line monitoring system, for the monitoring to capacitor type insulating equipment dielectric property;
Series compensation device on-line monitoring system, for monitoring capacitor group unsymmetrical current, capacitor group overload characteristic, mov, platform flashover property, spark gap;
Dry reactor on-line monitoring system, monitors for the temperature to reactor, partial discharge;
Instrument transformer on-line monitoring system, for monitoring oil dissolved gas, SF6 gas, insulating monitoring, environment;
Converter valve on-line monitoring system, for monitoring valve cooling water, valve group infrared temperature;
Direct current grounding pole on-line monitoring system, for monitoring CURRENT DISTRIBUTION, current density, soil moisture humidity and corrosivity;
Monitoring server, for receiving and process the monitoring information from transformer online monitoring system, insulator on-line monitoring system, circuit breaker on-line monitoring system, GIS device on-line monitoring system, arrester on-line monitoring system, capacitor on-line monitoring system, series compensation device on-line monitoring system, dry reactor on-line monitoring system, instrument transformer on-line monitoring system, converter valve on-line monitoring system, direct current grounding pole on-line monitoring system, and described monitoring information is stored in database server.
Primary equipment and quantity of state unified Modeling, form complete model and functional framework, by with each station supervisory control system and integrated treatment unit interface, the displaying of the information that realization can gather and analysis, collocation in successive steps with transformer station's monitoring device at a specified future date, directly field data connecting system can be realized and showing and analytic function, reduce second-time development workload, avoid system frequently to transform.
Compared with prior art, tool has the following advantages the utility model:
1, data is integrated:
1.1, stand in overall angle and carry out the analysis and design of data structure, take into full account integrality and sharing and the correlation of data;
1.2, data centralization is deposited and is managed.
2, System Framework is integrated:
By integrated thought structure software architecture, rationally set up object model.
3, application is integrated:
Power grid enterprises' production management business is interrelated, and collaborative work itself is exactly integrated, so must consider integrated problem while constructing related application.
4, integrated with other system:
Enterprise management system must carry out integratedly with other management systems, handles well and their interface, ensures the integrated of whole enterprise information management.
Brief description of the drawings
Fig. 1 is the structured flowchart of a kind of converting equipment on-line monitoring system of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, content of the present utility model is described in further details.
Embodiment
Please refer to shown in Fig. 1, a kind of converting equipment on-line monitoring system, it comprises transformer online monitoring system 1, insulator on-line monitoring system 2, circuit breaker on-line monitoring system 3, GIS device on-line monitoring system 4, arrester on-line monitoring system 5, capacitor on-line monitoring system 6, series compensation device on-line monitoring system 7, dry reactor on-line monitoring system 8, instrument transformer on-line monitoring system 9, converter valve on-line monitoring system 10, direct current grounding pole on-line monitoring system 11 and monitoring server 12 and database server 13, monitoring server 12 is for receiving and processing from transformer online monitoring system 1, insulator on-line monitoring system 2, circuit breaker on-line monitoring system 3, GIS device on-line monitoring system 4, arrester on-line monitoring system 5, capacitor on-line monitoring system 6, series compensation device on-line monitoring system 7, dry reactor on-line monitoring system 8, instrument transformer on-line monitoring system 9, the monitoring information of converter valve on-line monitoring system 10 and direct current grounding pole on-line monitoring system 11, and monitoring information is stored in database server 13.Here be saidly treated to conventional processing mode, comprise statistics, the format conversion of Monitoring Data, and data and reference data after conversion are compared, find out fault point and fault type; Then Monitoring Data packing is sent to database server 13.
1, transformer online monitoring system 1, has comprised the monitoring projects such as Gases Dissolved in Transformer Oil monitoring, Partial Discharge Online Monitoring of Transformers, transformer temperature monitoring, iron core grounding current monitoring, water content in oil monitoring, deformation of transformer winding monitoring, the monitoring of transformer on-load voltage regulating tap, transformer vibration monitoring.
Specifically comprise:
Monitoring Data acquisition and processing
Gather and store the transformer state on-line monitoring initial data of uploading each electrical substation monitoring unit, the conversion that the data of obtaining are shown, cleans, and rejects invalid data and misdata.
Monitoring Data inquiry
According to projects such as Monitoring Data type, plant stand, time, electric pressure, region, run units, transformer monitoring data are inquired about and added up.
Analysis on monitoring data
Adopt suitable statistic algorithm to transformer monitoring data analysis, extract useful information.Can carry out across comparison analysis and longitudinally trend analysis to the historical data of the homogeneous data of distinct device, same equipment.Can automatically generate changing trend diagram according to the data that gather.
Main Analysis function is:
1), by the analysis to the various gases that dissolve in transformer oil, diagnose transformer insulated fault and aging degree.
2) by the variation of monitoring local discharging level and rate of rise thereof, cavity, metallic and the bubble etc. of the solid insulation producing due to some defect state in the inner occurent variation of identification transformer, discovery insulation.
3) according to iron core grounding current identification iron core grounding fault.
4) according to transformer vibration frequency identification winding deformation degree.
5) judge the mechanical movement state of main transformer tap operating mechanism according to shunting switch driving torque, motor drive current.
Monitoring and warning
According to equipment on-line monitoring data early warning standard, to obtain or data after treatment from the overall situation to details, from totally to individuality, monitor layer by layer and early warning to dynamic mode from static state, and issue monitoring and warning information by various forms, channel.Comprise:
1) Threshold Alerts
Change according to equipment on-line monitoring parameter, report to the police for the deteriorated index that exceeds early warning standard or prescribed limit, issue in time warning message according to different classifications and grade.For key equipment, Multi-stage alarming mechanism should be set, improve amount of information and the alarming effect of reporting to the police.
2) trend early warning
According to equipment on-line monitoring, application is followed the trail of continuously to a certain defect of equipment or overall fault, according to the information such as bad condition and family's defect of a certain quantity of state Real-Time Monitoring result and development trend thereof, experience, equipment state is quantized to classification, the failure risk that predict device may exist in time, avoids sudden accident to occur.
3) associated warning
According to the expanding gradually of dangerous defect coverage, the source of trouble releases energy gradually the feature strengthening, and the monitoring of equipment result of multiple sensing mode and different measuring points is analyzed, and carries out comprehensive pre-warning.Thereby improve warning order of accuarcy, reducing wrong report may.
Information is issued
Various types of equipment on-line monitoring data formation statistical report forms in applying are issued in WEB functional module, and provide multiple format to preserve and print.
Monitoring information list
Transformer online monitoring system 1 can adopt the transformer insulated comprehensive on-line monitoring system of the BYTC-II type of Xi'an Boyuan Electric Co., Ltd..
2, insulator on-line monitoring system 2, mainly monitors the projects such as insulator temperature, humidity, equivalent salt density, average Leakage Current, maximum Leakage Current, Leakage Current.
Specifically comprise: aspect data analysis content, be specially according to temperature, humidity, equivalent salt density, average leakage current, maximum leakage electric current, leakage current identification insulator contamination degree.
Monitoring information list
Insulator on-line monitoring system 2 can adopt the ZXIM series I type insulator dielectric on-Line Monitor Device of Hefei Zheng Xin Electric Applicance Co., Ltd.
3, circuit breaker on-line monitoring system 3, comprises the monitoring projects such as circuit breaker and the monitoring of operating mechanism mechanical property, insulating monitoring, temperature characterisitic monitoring, SF6 gas on-line monitoring, Vacuity of Vacuum Circuit Breakers monitoring.
Specifically comprise: grasp the situation of breaker mechanical operating system according to the electric current of splitting or integrating brake cable circle, moving contact stroke signal, voltage signal, obtain the speed parameter of moving contact, Vibration Condition when monitoring switch equipment divide-shut brake; According to electromagnetic spectrum characteristic, phenomenon is put in identification office, use aging conditions, insulation situation and the running status of sense switch equipment; Monitor the even local Welding Phenomena of serious heating causing because contact temperature rise is too high according to thermoelectric pile warm end temperature difference electromotive force, ensure the break performance of switch; According to circuit breaker inside negative corona discharge electric current, gas density, humidity, temperature, pressure, monitors the leakage of SF6 gas and obtains the various parameters of arc-extinguishing medium in SF6 arc control device; According to sheet metal current potential under radome in radome potentiometry, analyze the vacuum degree that obtains vacuum interrupter; Indirectly estimate electrical wear degree by breaking current aggregate-value or weighting segmentation accumulative total.
Monitoring information list
Circuit breaker on-line monitoring system 3 can adopt the MD3005 Series Circuit Breakers supervisory control system of Changsha Jia Ke Electron equipment Co., Ltd.
4, GIS device on-line monitoring system 4, has comprised the monitoring projects such as partial discharge monitoring, mechanical property monitoring, SF6 density on-line monitoring, lightning-arrest pipe on-line monitoring.
Specifically comprise: according to electromagnetic spectrum characteristic, comprise that peak value and phase place carry out office and put monitoring, phenomenon is put, use aging conditions, insulation situation and the running status of sense switch equipment in the office of discovery in time; Grasp the situation of breaker mechanical operating system according to divide-shut brake coil current, moving contact stroke signal, voltage signal, obtain being obtained by stroke-time relationship the speed parameter of moving contact, Vibration Condition when monitoring switch equipment divide-shut brake; The various parameters of the Vibration Condition during according to negative corona discharge electric current, gas density, micro-water content monitoring switch equipment divide-shut brake, the leakage of monitoring SF6 gas, acquisition SF6 dielectric; According to lightning arrester total current, current in resistance property, resistive current first harmonics, current in resistance property triple-frequency harmonics, capacitance-resistance ratio, thunderbolt time, action frequency diagnose lightning arrester aging, make moist, the fault such as insulation, monitoring lightning arrestor movement situation.
Monitoring information list
GIS device on-line monitoring system 4 can be selected the GBS-2000 type GIS main equipment on-line monitoring system of Xu Ji electric network protection Automation Co., Ltd.
5, lightning arrester on-line monitoring function, the Monitoring Data of total current, the current in resistance property peak value component of monitoring lightning arrester, resistive current first harmonics component, current in resistance property 3 order harmonic components.
Monitoring information list
6, capacitor on-line monitoring system 6, by the monitoring to capacitor type insulating equipment dielectric property, can find the insulation defect in early stage of development.
Analysis on monitoring data content is: according to the data such as the voltage collecting, frequency, relative electric capacity, dielectric loss (tan δ), end shield electric current, equivalent capacitance, diagnosis capacitance type equipment insulation fault.
Monitoring information list
Capacitor on-line monitoring system 6 can be selected the high voltage capacitive apparatus insulated on-line monitoring system of WA3000 type of the tall and sturdy Electric Appliance Equipment Co., Ltd in Nanjing.
7, series compensation device on-line monitoring function, has comprised the monitoring projects such as the monitoring, mov monitoring, the monitoring of platform flashover property, spark gap monitoring of monitoring, the capacitor group overload characteristic of capacitor group unsymmetrical current.
Specifically comprise: according to the unsymmetrical current signal of capacitor group, identification is because internal fuse fusing or inner member damage the capacitor group imbalance causing; According to the duration of condenser current signal and overcurrent, analyze capacitor group overload characteristic, the even insulation damages of thermal accumlation of avoiding capacitor group leader time running overload to cause; According to the monitoring of MOV branch current, after identification MOV pressure limiting action, the high electric current of the MOV that flows through; According to the current signal between platform and main equipment, the insulation status between monitoring insulated platform and string benefit equipment, analysis platform flashover property; In the moment of moving after trigger command sends according to spark gap, analyze with identification due to the delayed trigger of spark gap or refuse to trigger the string causing and mend device and damage.
Monitoring information list
8, dry reactor on-line monitoring system 8, mainly monitors temperature, the Partial Discharge Data of reactor.
Specifically comprise: by monitoring reactor temperature, diagnosis reactor arrangement overheating fault; While putting noise level, strength of discharge average, discharge time, maximum electric discharge by monitoring reactance general ability, corresponding phase place, electric discharge amplitude, discharge phase, 50Hz correlation (first-harmonic content), 100Hz correlation (secondary harmonic component), diagnose reactor insulation fault.
Monitoring information list
Dry reactor on-line monitoring system 8 can adopt the graceful power technology of moral to serve the PD-TP500A type Portable PD On-Line on-line detector of (Shanghai) Co., Ltd..
9, instrument transformer on-line monitoring system 9, has comprised the monitoring projects such as oil dissolved gas monitoring, SF6 gas on-line monitoring, insulating monitoring, environmental monitoring, accessory power supply monitoring.
Specifically comprise: according to Oil Dissolved Gases Concentration, the electric discharge of diagnosis instrument transformer, insulation fault and aging degree; According to SF6 gas density, humidity, temperature, pressure, diagnosis instrument transformer insulation fault; According to temperature, humidity, pressure data, diagnostic device environmental aspect, revises measured value; According to the metrical informations such as voltage, frequency, relative electric capacity, dielectric loss (tan σ), end shield electric current, equivalent capacitance, diagnostic device insulation status; According to accessory power supply electric current, voltage, the active formula instrument transformer of identification accessory power supply working condition.
Monitoring information guide look
10, converter valve on-line monitoring system 10, has comprised the monitoring project such as valve cooling water monitoring, the monitoring of valve group infrared temperature.
Specifically comprise: according to faults such as the heating of inner cold water parameter (comprising water temperature, flow, conductivity, pressure, water level, chemical composition) diagnosis converter valve, corrosion; According to converter valve temperature, infrared imaging figure spectrum information, identification converter valve overheating defect.
Monitoring information guide look
11, direct current grounding pole on-line monitoring system 11, has comprised the monitoring projects such as CURRENT DISTRIBUTION monitoring, current density monitoring, soil moisture humidity detection, corrosion monitoring.
Specifically comprise: according to the electric current flowing through on each branch road (feeder cable), whether diagnosis earth electrode exists local damage.Comprise whether cable disconnects, and whether earth electrode exists serious corrosion, whether welding is firm etc.; According to ground field intensity or step voltage, unsymmetrical current, the safety of diagnosis earth electrode to people and animals; According to earth electrode hot(test)-spot temperature, diagnosis earth electrode portion is overheated, avoids burning out underground cable.
Monitoring information guide look
Above-listed detailed description is for the illustrating of the utility model possible embodiments, and this embodiment is not in order to limit protection range of the present utility model, does not allly depart from the equivalence that the utility model does and implements or change, and all should be contained in the protection range of this case.
Claims (1)
1. a converting equipment on-line monitoring system, is characterized in that, it comprises:
Transformer online monitoring system (1), for monitoring Gases Dissolved in Transformer Oil, partial discharge of transformer, transformer temperature, iron core grounding current, water content in oil, deformation of transformer winding, transformer on-load voltage regulating tap and transformer vibration;
Insulator on-line monitoring system (2), for monitoring insulator temperature, humidity, equivalent salt density, average Leakage Current, maximum Leakage Current, Leakage Current;
Circuit breaker on-line monitoring system (3), for monitoring circuit breaker and operating mechanism mechanical property, insulating properties, temperature characterisitic, SF6 gas, Vacuity of Vacuum Circuit Breakers;
GIS device on-line monitoring system (4), monitors for the partial discharge monitoring to GIS device, mechanical property monitoring, SF6 density, lightning-arrest pipe;
Arrester on-line monitoring system (5), monitors for the total current to lightning arrester, current in resistance property peak value component, resistive current first harmonics component, current in resistance property 3 order harmonic components;
Capacitor on-line monitoring system (6), for the monitoring to capacitor type insulating equipment dielectric property;
Series compensation device on-line monitoring system (7), for monitoring capacitor group unsymmetrical current, capacitor group overload characteristic, mov, platform flashover property, spark gap;
Dry reactor on-line monitoring system (8), monitors for the temperature to reactor, partial discharge;
Instrument transformer on-line monitoring system (9), for monitoring oil dissolved gas, SF6 gas, insulating monitoring, environment;
Converter valve on-line monitoring system (10), for monitoring valve cooling water, valve group infrared temperature;
Direct current grounding pole on-line monitoring system (11), for monitoring CURRENT DISTRIBUTION, current density, soil moisture humidity and corrosivity;
Monitoring server (12), for receiving and processing from transformer online monitoring system (1), insulator on-line monitoring system (2), circuit breaker on-line monitoring system (3), GIS device on-line monitoring system (4), arrester on-line monitoring system (5), capacitor on-line monitoring system (6), series compensation device on-line monitoring system (7), dry reactor on-line monitoring system (8), instrument transformer on-line monitoring system (9), converter valve on-line monitoring system (10), the monitoring information of direct current grounding pole on-line monitoring system (11), and described monitoring information is stored in database server (13).
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| CN201420037732.3U CN203800702U (en) | 2014-01-21 | 2014-01-21 | Power transformation equipment online monitoring system |
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| CN201420037732.3U CN203800702U (en) | 2014-01-21 | 2014-01-21 | Power transformation equipment online monitoring system |
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104267065A (en) * | 2014-10-17 | 2015-01-07 | 国家电网公司 | Method for detecting impact of SF6 gas states on insulation materials |
| CN104377823A (en) * | 2014-11-18 | 2015-02-25 | 柳州市金旭节能科技有限公司 | On-line monitoring system for power transmission equipment |
| CN104391211A (en) * | 2014-12-12 | 2015-03-04 | 国网山西省电力公司电力科学研究院 | On-line detection system for condition-based maintenance of series compensation device |
| CN104410041A (en) * | 2014-11-05 | 2015-03-11 | 许继集团有限公司 | Convertor station valve hall fire tripping device logic judgment method |
| CN104655996A (en) * | 2015-02-04 | 2015-05-27 | 国家电网公司 | Live detection device for partial discharge of GIS cable terminal, and use method of device |
| CN105203224A (en) * | 2015-09-18 | 2015-12-30 | 国家电网公司 | Overheating fault early warning method and system for dry-type air-core reactor |
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| CN105698959A (en) * | 2016-03-01 | 2016-06-22 | 国家电网公司华中分部 | Dry-type air-core reactor overheating fault early warning system based on TVOC and temperature test |
| CN106443315A (en) * | 2016-08-30 | 2017-02-22 | 国网辽宁省电力有限公司电力科学研究院 | Multi-information fusion-based power transformer winding deformation diagnosis method |
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| CN107576759A (en) * | 2017-08-30 | 2018-01-12 | 中国南方电网有限责任公司电网技术研究中心 | Insulator salt density data strip processing method and system |
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| CN108493955A (en) * | 2018-05-09 | 2018-09-04 | 北京国网普瑞特高压输电技术有限公司 | A kind of series compensation device with real-time state monitoring integrated platform |
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| CN108521173A (en) * | 2018-05-09 | 2018-09-11 | 北京国网普瑞特高压输电技术有限公司 | A kind of super extra-high voltage series compensation device status monitoring integrated platform based on IEC61850 |
| CN108776270A (en) * | 2018-04-18 | 2018-11-09 | 云南电网有限责任公司怒江供电局 | A kind of series compensation platform fault locator |
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| CN110514239A (en) * | 2019-08-06 | 2019-11-29 | 国网江苏省电力有限公司电力科学研究院 | A kind of oil-immersed transformer fire early warning device |
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2014
- 2014-01-21 CN CN201420037732.3U patent/CN203800702U/en not_active Expired - Lifetime
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