CN105222832A - A kind of method and apparatus of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control - Google Patents
A kind of method and apparatus of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control Download PDFInfo
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- CN105222832A CN105222832A CN201510696577.5A CN201510696577A CN105222832A CN 105222832 A CN105222832 A CN 105222832A CN 201510696577 A CN201510696577 A CN 201510696577A CN 105222832 A CN105222832 A CN 105222832A
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- Prior art keywords
- circuit breaker
- sulphur hexafloride
- hexafloride circuit
- breaker equipment
- line monitoring
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 127
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 239000005864 Sulphur Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 53
- 229910018503 SF6 Inorganic materials 0.000 claims abstract description 26
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229960000909 sulfur hexafluoride Drugs 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000002604 ultrasonography Methods 0.000 claims description 9
- 239000006260 foam Substances 0.000 claims description 6
- 239000012212 insulator Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 3
- 206010044565 Tremor Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention provides a kind of method and apparatus of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control, partial discharge monitoring system is installed in sulphur hexafloride circuit breaker equipment, sulfur hexafluoride gas pressure on-line monitoring system, temperature online monitoring system, temperature and electric current on-line monitoring system are installed in heat-insulation system, in device external, meteorological on-line monitoring system is installed, data are all sent to Inspect and control center by described on-line monitoring system, described Inspect and control center judges whether to open heat-insulation system by internal processes, or whether send alarm command, thus control sulphur hexafloride circuit breaker equipment and heat-insulation system, guarantee that sulphur hexafloride circuit breaker equipment well runs.The present invention utilizes advanced on-line monitoring, on-line monitoring and control is carried out to sulphur hexafloride circuit breaker equipment and heat-insulation system thereof, thus greatly improve the performance such as validity, reliability, security of sulphur hexafloride circuit breaker equipment under extremely cold environment, and can significantly extend its serviceable life.
Description
Technical field
The present invention relates to power transmission and transformation on-line monitoring technique field, be specifically related to a kind of method and apparatus of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control.
Background technology
Sulphur hexafloride circuit breaker has excellent cut-offfing property and insulativity, is therefore widely used in power industry.During winter, part sulfur hexafluoride (SF
6) gas can liquefy at low temperatures, causes sulfur hexafluoride gas pressure and density to decline.In areas such as Xinjiang of China, the Inner Mongol, northeast, winter temperature often reaches less than-35 DEG C, and some areas even can arrive-50 DEG C, and this extremely cold environment badly seriously threatens the safe and stable operation of equipment.
When sulphur hexafloride circuit breaker equipment is used for extremely trembling with fear area; if there is the low-temperature liquefaction of sulfur hexafluoride gas; when sulfur hexafluoride gas Pressure Drop is low to moderate locking force value; by the trip(ping) circuit of locking isolating switch, if at this time line failure, after protection starts; and isolating switch can not action message; will fault spread be caused, cause protection to bypass the immediate leadership action or the generation of device damage accident.For solving the reliability service of sulfur hexafluoride equipment under extreme severe cold environment, domestic and international associated mechanisms has carried out extensive work, wherein the most reliable and effective method heats the sulfur hexafluoride in sulphur hexafloride circuit breaker equipment, makes its gas temperature can all the time higher than the condensing temperature of sulfur hexafluoride gas.The method is very effectively reliable, can improve the validity of sulphur hexafloride circuit breaker equipment under extremely cold environment, reliability and life-span etc. well.
On-line monitoring technique now mainly concentrates on equipment body monitoring, and lacks due attention to the service condition of its related accessories (such as heat-insulation system).
Summary of the invention
The object of this invention is to provide a kind of method and apparatus of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control, utilize advanced on-line monitoring, on-line monitoring and control is carried out to sulphur hexafloride circuit breaker equipment and heat-insulation system thereof, thus greatly improve the performance such as validity, reliability, security of sulphur hexafloride circuit breaker equipment under extremely cold environment, and can significantly extend its serviceable life.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of method of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control, partial discharge monitoring system is installed in sulphur hexafloride circuit breaker equipment, sulfur hexafluoride gas pressure on-line monitoring system, temperature online monitoring system, temperature and electric current on-line monitoring system are installed in heat-insulation system, in device external, meteorological on-line monitoring system is installed, data are all sent to Inspect and control center by described on-line monitoring system, described Inspect and control center judges whether to open heat-insulation system by internal processes, or whether send alarm command, thus control sulphur hexafloride circuit breaker equipment and heat-insulation system, guarantee that sulphur hexafloride circuit breaker equipment well runs.
A kind of device of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control, comprise main equipment temperature monitoring module, sulfur hexafluoride gas pressure monitoring module, ultrasound wave partial discharge monitoring module, superfrequency partial discharge monitoring module that sulphur hexafloride circuit breaker equipment is monitored, heat-insulation system is carried out to heat-insulation system temperature monitoring module, the heat-insulation system current monitoring module of Inspect and control, microclimate monitoring modular, Inspect and control center module and alarm; Described monitoring modular and alarm are all electrically connected with described Inspect and control center module.
According to above scheme, described main equipment temperature monitoring module comprises the temperature sensor being installed on described sulphur hexafloride circuit breaker device interior.
According to above scheme, described sulfur hexafluoride gas pressure monitoring module comprises the pressure transducer being installed on described sulphur hexafloride circuit breaker device interior.
According to above scheme, described ultrasound wave partial discharge monitoring module comprises the electric transducer being installed on described sulphur hexafloride circuit breaker device interior.
According to above scheme, described superfrequency partial discharge monitoring module comprises the electric transducer be installed on described sulphur hexafloride circuit breaker equipment disc insulator.
According to above scheme, described heat-insulation system comprises from the interior heating element and the insulating foam that are installed on described sulphur hexafloride circuit breaker equipment body tube wall outside outward, described heating element reticulates and covers described sulphur hexafloride circuit breaker equipment body tube wall outside, and described heating element comprises the resistance wire that rated operating power is 3500W-8000W.
According to above scheme, described heat-insulation system temperature monitoring module comprises the temperature sensor be installed in described insulating foam.
According to above scheme, described heat-insulation system current monitoring module comprises the current transformer installed with on described resistance wire.
Main equipment temperature monitoring module of the present invention, sulfur hexafluoride gas pressure monitoring module are used for monitoring temperature and the sulfur hexafluoride gas pressure of sulphur hexafloride circuit breaker device interior respectively; Ultrasound wave partial discharge monitoring module and superfrequency partial discharge monitoring module utilize supercritical ultrasonics technology and superfrequency method to detect sulphur hexafloride circuit breaker equipment whether to have shelf depreciation respectively; Microclimate monitoring modular is used for monitoring of environmental temperature, ambient wind velocity, intensity of sunshine etc., and these data can reflect equipment surrounding enviroment, auxiliaryly controls heat-insulation system temperature monitoring module; Heat-insulation system is that sulphur hexafloride circuit breaker equipment is incubated; Inspect and control center module is responsible for collecting the data message that other modules send, and sends command adapted thereto according to internal processes; Alarm passes through after to the data message collected and internal processes comparison at Inspect and control center, accepts the alarm command that it is sent, send sound and light alarm signal, carry out in time keeping in repair and maintenance to remind operation maintenance personnel when noting abnormalities.
The invention has the beneficial effects as follows:
The present invention utilizes advanced on-line monitoring, on-line monitoring and control is carried out to sulphur hexafloride circuit breaker equipment and heat-insulation system thereof, when extremely trembling with fear environment, automatically the unlatching of heat-insulation system is controlled by other on-line monitoring modules controlled by Inspect and control center module, to improve the temperature of sulphur hexafloride circuit breaker equipment, can safe and stable operation, eliminate contingent security incident, thus greatly can improve the performance such as validity, reliability, security of sulphur hexafloride circuit breaker equipment under extremely cold environment, and can significantly extend its serviceable life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is workflow schematic diagram of the present invention.
In figure: 1, sulphur hexafloride circuit breaker equipment; 2, main equipment temperature monitoring module; 3, sulfur hexafluoride gas pressure monitoring module; 4, ultrasound wave partial discharge monitoring module; 5, superfrequency partial discharge monitoring module; 6, microclimate monitoring modular; 7, Inspect and control center module; 8, heat-insulation system temperature monitoring module; 9, heat-insulation system current monitoring module; 10, heat-insulation system; 11, alarm.
Embodiment
Below in conjunction with accompanying drawing and embodiment, technical scheme of the present invention is described.
The invention provides a kind of method and apparatus of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control, comprise the main equipment temperature monitoring module 2 that sulphur hexafloride circuit breaker equipment 1 is monitored, sulfur hexafluoride gas pressure monitoring module 3, AE ultrasound wave partial discharge monitoring module 4, UHF superfrequency partial discharge monitoring module 5, heat-insulation system 10 is carried out to the heat-insulation system temperature monitoring module 8 of Inspect and control, heat-insulation system current monitoring module 9, microclimate monitoring modular 6, Inspect and control center module 7 and alarm 11, described monitoring modular 2, 3, 4, 5, 6, 8, 9 and alarm 11 be all electrically connected with described Inspect and control center module 7.
Further, described main equipment temperature monitoring module 2 comprises the temperature sensor being installed on described sulphur hexafloride circuit breaker equipment 1 inside, described sulfur hexafluoride gas pressure monitoring module 3 comprises the pressure transducer being installed on described sulphur hexafloride circuit breaker equipment 1 inside, described AE ultrasound wave partial discharge monitoring module 4 comprises the electric transducer being installed on described sulphur hexafloride circuit breaker equipment 1 inside, and described UHF superfrequency partial discharge monitoring module 5 comprises the electric transducer be installed on described sulphur hexafloride circuit breaker equipment 1 disc insulator.
Further, described heat-insulation system 10 comprises from the interior heating element and the insulating foam that are installed on described sulphur hexafloride circuit breaker equipment 1 main body tube wall outside outward, described heating element reticulates and covers described sulphur hexafloride circuit breaker equipment 1 main body tube wall outside, described heating element comprises the resistance wire that rated operating power is 6500W, described heat-insulation system temperature monitoring module 8 comprises the temperature sensor be installed in described insulating foam, and described heat-insulation system current monitoring module 9 comprises the current transformer installed with on described resistance wire.
Specific works principle of the present invention is as follows:
AE partial discharge monitoring data, UHF partial discharge monitoring data that described AE ultrasound wave partial discharge monitoring module 4, UHF superfrequency partial discharge monitoring module 5 will be collected, be sent to described Inspect and control center module 7.Described Inspect and control center module 7 is by these data analysis and judgement, if when finding that described sulphur hexafloride circuit breaker equipment 1 inside has shelf depreciation, instruction is sent to described alarm 11 by described Inspect and control center module 7, make it report to the police, remind sulphur hexafloride circuit breaker equipment 1 inside described in operation maintenance personnel to have insulation defect.
The described sulphur hexafloride circuit breaker equipment 1 inner sulfur hexafluoride gas pressure data monitored is transferred to described Inspect and control center module 7 by described sulfur hexafluoride gas pressure monitoring module 3.Described Inspect and control center module 7 adopts following principle to process.1. sulfur hexafluoride gas pressure is when 0.5 ± 0.02Mpa, is considered as equipment normal; 2. when sulfur hexafluoride gas pressure value is lower than 0.45Mpa, described Inspect and control center module 7 sends instruction to described alarm 11, makes it report to the police, and reminds the sulfur hexafluoride gas hypotony of sulphur hexafloride circuit breaker equipment 1 inside described in operation maintenance personnel.
Described main equipment temperature monitoring module 2 monitors described sulphur hexafloride circuit breaker equipment 1 internal temperature and external environment condition thereof respectively with microclimate monitoring modular 6, the data monitored transfer to described Inspect and control center module 7 respectively and integrate, judge that whether outside microclimate environment is exceedingly odious, whether described sulphur hexafloride circuit breaker equipment 1 internal temperature is too low.Concrete Insulation follows following principle:
1., as the external temperature data <-20 DEG C that described microclimate monitoring modular 6 is monitored, described heat-insulation system 10 is started;
2. as the external temperature data <-15 DEG C that described microclimate monitoring modular 6 is monitored, and during outside wind speed > 8m/s, described heat-insulation system 10 is started;
3. as the external temperature data <-15 DEG C that described microclimate monitoring modular 6 is monitored, and during the described sulphur hexafloride circuit breaker equipment 1 internal temperature <-10 DEG C of main equipment temperature monitoring module 2 monitoring, start described heat-insulation system 10;
4. as the described sulphur hexafloride circuit breaker equipment 1 internal temperature <-35 DEG C that described main equipment temperature monitoring module 2 is monitored, temperature data is submitted to described Inspect and control center module 7 by this system, described Inspect and control center module 7 sends instruction to described alarm 11, make it report to the police, remind sulphur hexafloride circuit breaker equipment 1 temperature described in operation maintenance personnel too low, need to take further treatment measures.
Described heat-insulation system temperature monitoring module 8 and heat-insulation system current monitoring module 9 monitor temp of heating element and the electric current of described heat-insulation system 10 respectively.According to selected actual model, the rated current of having nothing in common with each other and specified heating-up temperature.Generally the rated current of 1.5 times is set to alarm set point, when described heat-insulation system 10 electric current exceedes alarm set point or the improper open circuit of system, described Inspect and control center module 7 sends instruction to described alarm 11, makes it report to the police, and reminds operation maintenance personnel heat-insulation system fault.
As shown in Figure 2, described on-line monitoring module 2, 3, 4, 5, 6 respectively by collected main equipment temperature monitoring data, sulfur hexafluoride gas pressure detection data, AE partial discharge monitoring data, UHF partial discharge monitoring data, microclimate Monitoring Data is sent to described Inspect and control center module 7, judge that whether the relevant virtual condition that these data reflect is abnormal by described Inspect and control center module 7, comprise described sulphur hexafloride circuit breaker equipment 1 and whether there is shelf depreciation, whether internal temperature is too low, whether built-in electrical insulation gas (sulfur hexafluoride) pressure is too low, whether external environment condition is too severe.If when the data that on-line monitoring module is transmitted show that above monitored project has abnormal, described Inspect and control center module 7 sends alarm command to described alarm 11, reminds operation maintenance personnel equipment to occur abnormal.
Described sulphur hexafloride circuit breaker equipment 1 internal temperature data monitored when described main equipment temperature monitoring module 2 shows that its temperature is too low, when reaching set preset value, described Inspect and control center module 7 is given an order to described heat-insulation system 10, described heat-insulation system 10 is opened run, prevent that described sulphur hexafloride circuit breaker equipment 1 internal temperature is too low causes equipment failure.Simultaneously, described heat-insulation system temperature monitoring module 8 and heat-insulation system current monitoring module 9 monitor temperature and the heater current of described heat-insulation system 10, if Monitoring Data shows that System Heater breaks down, such as well heater short circuit, well heater open circuit and temperature be the situation such as too low (lower than-35 DEG C) still, described Inspect and control center module 7 sends alarm command to described alarm 11, reminds heat-insulation system 10 described in operation maintenance personnel to break down.
Above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although above-described embodiment is to invention has been detailed description, the person skilled of this area is to be understood that: can modify to the present invention or replace on an equal basis, but any amendment not departing from spirit and scope of the invention all should be encompassed in right of the present invention with local replacement.
Claims (9)
1. the method for a sulphur hexafloride circuit breaker equipment complex on-line monitoring and control, it is characterized in that, partial discharge monitoring system is installed in sulphur hexafloride circuit breaker equipment, sulfur hexafluoride gas pressure on-line monitoring system, temperature online monitoring system, temperature and electric current on-line monitoring system are installed in heat-insulation system, in device external, meteorological on-line monitoring system is installed, data are all sent to Inspect and control center by described on-line monitoring system, described Inspect and control center judges whether to open heat-insulation system by internal processes, or whether send alarm command, thus control sulphur hexafloride circuit breaker equipment and heat-insulation system, guarantee that sulphur hexafloride circuit breaker equipment well runs.
2. the device of a sulphur hexafloride circuit breaker equipment complex on-line monitoring and control, it is characterized in that, comprise the main equipment temperature monitoring module (2) that sulphur hexafloride circuit breaker equipment (1) is monitored, sulfur hexafluoride gas pressure monitoring module (3), ultrasound wave partial discharge monitoring module (4), superfrequency partial discharge monitoring module (5), heat-insulation system (10) is carried out to the heat-insulation system temperature monitoring module (8) of Inspect and control, heat-insulation system current monitoring module (9), microclimate monitoring modular (6), Inspect and control center die (7) and alarm (11), described monitoring modular (2,3,4,5,6,8,9) and alarm (11) are all electrically connected with described Inspect and control center module (7).
3. the device of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control according to claim 2, it is characterized in that, described main equipment temperature monitoring module (2) comprises the temperature sensor being installed on described sulphur hexafloride circuit breaker equipment (1) inside.
4. the device of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control according to claim 2, it is characterized in that, described sulfur hexafluoride gas pressure monitoring module (3) comprises the pressure transducer being installed on described sulphur hexafloride circuit breaker equipment (1) inside.
5. the device of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control according to claim 2, it is characterized in that, described ultrasound wave partial discharge monitoring module (4) comprises the electric transducer being installed on described sulphur hexafloride circuit breaker equipment (1) inside.
6. the device of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control according to claim 2, it is characterized in that, described superfrequency partial discharge monitoring module (5) comprises the electric transducer be installed on described sulphur hexafloride circuit breaker equipment (1) disc insulator.
7. the device of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control according to claim 2, it is characterized in that, described heat-insulation system (10) comprises from the interior heating element and the insulating foam that are installed on described sulphur hexafloride circuit breaker equipment (1) main body tube wall outside outward, described heating element reticulates and covers described sulphur hexafloride circuit breaker equipment (1) main body tube wall outside, and described heating element comprises the resistance wire that rated operating power is 3500W-8000W.
8. the device of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control according to claim 7, is characterized in that, described heat-insulation system temperature monitoring module (8) comprises the temperature sensor be installed in described insulating foam.
9. the device of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control according to claim 7, is characterized in that, described heat-insulation system current monitoring module (9) comprises the current transformer installed with on described resistance wire.
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| CN201510696577.5A CN105222832A (en) | 2015-10-23 | 2015-10-23 | A kind of method and apparatus of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control |
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| CN201510696577.5A CN105222832A (en) | 2015-10-23 | 2015-10-23 | A kind of method and apparatus of sulphur hexafloride circuit breaker equipment complex on-line monitoring and control |
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Cited By (2)
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| CN107831464A (en) * | 2017-10-09 | 2018-03-23 | 中国电力科学研究院 | A kind of standard potential transformer device to be worked under the conditions of extremely trembling with fear and method of calibration |
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Effective date of registration: 20170216 Address after: 100000 Beijing West Chang'an Avenue No. 86 Applicant after: State Grid Corporation of China Applicant after: Wuhan Nari Limited Liability Company of State Grid Electric Power Research Institute Applicant after: Heilongjiang Electric Power Research Institute Applicant after: Electric Power Research Institute of State Grid Liaoning Electric Power Co., Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: Wuhan Nari Limited Liability Company of State Grid Electric Power Research Institute |
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