CN104165683A - Online power capacitor vibration monitoring device - Google Patents
Online power capacitor vibration monitoring device Download PDFInfo
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- CN104165683A CN104165683A CN201310305493.5A CN201310305493A CN104165683A CN 104165683 A CN104165683 A CN 104165683A CN 201310305493 A CN201310305493 A CN 201310305493A CN 104165683 A CN104165683 A CN 104165683A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 69
- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 54
- 238000005070 sampling Methods 0.000 claims abstract description 30
- 238000012545 processing Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 29
- 238000013480 data collection Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 16
- 230000003750 conditioning effect Effects 0.000 claims description 15
- 230000003068 static effect Effects 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000006854 communication Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000011022 operating instruction Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 239000004615 ingredient Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 7
- 238000004458 analytical method Methods 0.000 abstract description 5
- 238000003745 diagnosis Methods 0.000 abstract 3
- 238000012360 testing method Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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Abstract
The invention provides an online power capacitor vibration monitoring device which is characterized in that the device comprises the following components: a plurality of vibration monitoring sensors (2), a GPS synchronous timing sampling module, a data collecting and processing base station, and an analysis and diagnosis remote management and monitoring terminal; the number of the vibration monitoring sensors (2) is the same with that of shell surfaces (1) of a power capacitor, and each vibration monitoring sensor (2) is mounted on one shell surface (1); each vibration monitoring sensor (2) has a unique address; the output ends of the vibration monitoring sensors (2) are connected with the input end of the GPS synchronous timing sampling module; the output end of the GPS synchronous timing sampling module is connected with the input end of the data collecting and processing base station; the output end of the data collecting and processing base station is connected with the analysis and diagnosis remote management and monitoring terminal; and the analysis and diagnosis remote management and monitoring terminal is correspondingly connected with the control end of the power capacitor.
Description
Technical field
The present invention relates to power equipment online measuring technique field, particularly a kind of power capacitor oscillation on-line detection device.
Background technology
Power capacitor is the visual plant in transformer station's power transmission and transformation system, and its main effect is that circuit is carried out to reactive-load compensation, thereby improve, power factor is improved power supply quality, deboost raises, and protection consumer, reduces line loss and maintain reactive balance.Along with the raising day by day of China's rapid economic development and people's living standard, electrical network scale progressively expands, more and more higher to the requirement of the quality of power supply, and the application of power capacitor bank in electric system is more and more extensive.In order to improve line power factor, suppress system power-frequency overvoltage, ensure security of system stable operation, the power capacitor equipment that is absolutely necessary in transformer station.Converting station electric power capacitor because a variety of causes can produce vibration, if vibrate excessively, will affect quality of voltage in actual motion, is unfavorable for falling damage synergy, can produce excessive noise simultaneously, has a strong impact on production safety and production run environment.In each large regional power grid, all there is power capacitor because vibration causes the case of fault.Therefore, for guaranteeing the security of power capacitor operational process, and the normal service life of this equipment, ensure power grid quality, should notice guaranteeing that power capacitor maintains in the oscillating region of permission all the time.In addition, capacitor vibration situation of change is also one of important evidence judging power capacitor fault occurrence tendency, by information such as monitoring capacitor vibration amplitude, frequencies, can judge accordingly capacitor duty, for the pre-judgement of capacitor faults provides Data support.
Summary of the invention
The invention provides a kind of power capacitor vibration on-line monitoring device, it can have been realized synchronous vibration and detect data acquisition and transmission, have convenient management, vibration monitoring precision is high, accurately and timely and advantage that can remote transmission control, improved the safe and reliable operation of capacitor group.
The present invention has adopted following technical scheme: a kind of power capacitor vibration on-line monitoring device, it comprises following ingredient: some vibration monitoring sensors, GPS synchronously to time sampling module, data collection process base station and analyzing and diagnosing telemanagement monitor terminal, described some vibration monitoring sensors are identical with the quantity of some shell surfaces of power capacitor, each vibration monitoring installation of sensors is on each shell surface, each vibration monitoring sensor has unique address, the output terminal of some vibration monitoring sensors synchronize with GPS to time sampling module input end connect, GPS synchronously to time sampling module output terminal be connected with the input end of data processing base station, the output terminal of data processing base station is connected with analyzing and diagnosing telemanagement monitor terminal, the corresponding connection of control end of analyzing and diagnosing telemanagement monitor terminal and power capacitor, described vibration monitoring sensor obtains detection data for power capacitor being carried out to vibration detection, detect data through radioing to GPS synchronously to time sampling module carry out synchronously to time be transferred to data collection process base station after sampling processing, computing is carried out to the Monitoring Data gathering in data collection process base station, obtain the static data of monitoring parameter, comprise the peak-to-peak value of shell surface vibration signal, effective value and harmonic value, the static data obtaining passes to analyzing and diagnosing telemanagement monitor terminal, by analyzing and diagnosing telemanagement monitor terminal, power capacitor vibrational state judged and send corresponding operating instruction power capacitor is controlled, realize Real-Time Monitoring and control.
Described vibration monitoring sensor is fitted and connected by the shell of magnet base and power capacitor.Described vibration monitoring sensor and GPS synchronize to time sampling module between be wireless transmission connect, wireless transmission is Bluetooth transmission.Described vibration monitoring sensor setting is wireless laser vibration transducer, and the acquisition mode of wireless laser vibration transducer is the interval continuously automatic collection mode of 5 minutes or carries out manual command's triggering mode simultaneously.Between described data collection process base station and analyzing and diagnosing telemanagement monitor terminal, be connected for the transmission of 3GHz wireless network.
Between described data collection process base station and analyzing and diagnosing telemanagement monitor terminal, carry out data transmission by international communication agreement IEC60850.Described data collection process base station is arranged in transformer station, data collection process base station comprises signal acquisition module and signal conditioning circuit, GPS synchronously to time sampling module output terminal be connected with signal acquisition module and signal conditioning circuit successively, signal acquisition module is for carrying out mould/number conversion and data transmission to the Monitoring Data gathering, signal conditioning circuit is for carrying out filtering to the data of transmission, amplify and conversion, signal acquisition module carries out the Monitoring Data of collection to be transferred to signal conditioning circuit after mould/number conversion, signal conditioning circuit is for carrying out filtering to the data of transmission, amplify and conversion process.Described analyzing and diagnosing telemanagement monitor terminal is provided with main control system, main control system receives static data and static data is stored, analyzed and processes, and power capacitor vibrational state is judged and send corresponding operating instruction and power capacitor is reported to the police and control according to the result of processing.
The present invention has following beneficial effect: adopted after above technical scheme, the present invention can realize synchronous vibration and detect data acquisition and transmission, there is convenient management, vibration monitoring precision is high, accurately and timely and advantage that can remote transmission control, improved the safe and reliable operation of capacitor group.Data monitoring collection of the present invention adopts wireless laser vibration transducer, and it can carry out continuously converting station electric power capacitor vibration parameters, detect online, has realized the real-time measurement to capacitance apparatus vibration parameters; The use of radio communication has solved investment, expense and the safety issue that cable laying etc. may bring, realized data continuously, safety, isolation, accurately transmission, reduced system cost, use digital transmission technology simultaneously, antijamming capability strengthens, and has improved the reliability of data.Apparatus of the present invention adopt gps clock signal synchronously to time Sampling techniques, network unified clock signal can be provided easily, add time tag to measured data, and can realize strange land data and compare under same time reference frame, more precise and safety, thus remote monitoring center is processed accurately and reliably.The data result of apparatus of the present invention base station and remote monitoring center transmits all taking IEC61850 standard communication protocol as standard, specification communication process, can realize the data comparative analysis between multiple places, multiple area, make apparatus of the present invention and main website network compatibility better.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is power capacitor shell measuring point wireless laser vibration transducer structural representation of the present invention.
Fig. 3 is on-Line Monitor Device workflow diagram of the present invention.
Embodiment
Embodiment mono-, in Fig. 1, a kind of power capacitor vibration on-line monitoring device of the present invention, it comprises following ingredient: four vibration monitoring sensors 2, GPS synchronously to time sampling module, data collection process base station and analyzing and diagnosing telemanagement monitor terminal, four described vibration monitoring sensors 2 are identical with the quantity of four shell surfaces of power capacitor, power capacitor casing is provided with outlet terminal 3, each vibration monitoring sensing 2 is arranged on each shell surface 1, vibration monitoring sensor 2 is fitted and connected by the shell surface 1 of magnet base and power capacitor, each vibration monitoring sensor 2 has unique address, the output terminal of four vibration monitoring sensors 2 synchronize with GPS to time sampling module input end connect, vibration monitoring sensor 2 and GPS synchronize to time sampling module between be wireless transmission connect, vibration monitoring sensor setting is wireless laser vibration transducer, the acquisition mode of wireless laser vibration transducer is the interval continuously automatic collection mode of 5 minutes or carries out manual command's triggering mode simultaneously, GPS synchronously to time sampling module output terminal be connected with the input end of data processing base station, GPS synchronously to time sampling module be that the wireless laser vibration transducer of diverse location is carried out to synchronized sampling startup, and the detection data that data processing base station is collected have high accurate clock signal, improve the relatively precision of data of remote monitoring center, the output terminal of data processing base station is connected with analyzing and diagnosing telemanagement monitor terminal, the corresponding connection of control end of analyzing and diagnosing telemanagement monitor terminal and power capacitor, described vibration monitoring sensor 2 obtains detection data for power capacitor being carried out to vibration detection, detect data through radioing to GPS synchronously to time sampling module carry out synchronously to time be transferred to data collection process base station after sampling processing, computing is carried out to the Monitoring Data gathering in data collection process base station, obtain the static data of monitoring parameter, comprise the peak-to-peak value of the vibration signal of shell surface 1, effective value and harmonic value, the static data obtaining passes to analyzing and diagnosing telemanagement monitor terminal, between data collection process base station and analyzing and diagnosing telemanagement monitor terminal, be connected for the transmission of 3GHz wireless network, between data collection process base station and analyzing and diagnosing telemanagement monitor terminal, carry out data transmission by international communication agreement IEC60850, by analyzing and diagnosing telemanagement monitor terminal, power capacitor vibrational state judged and send corresponding operating instruction power capacitor is controlled, realize Real-Time Monitoring and control, described data collection process base station is arranged in transformer station, data collection process base station comprises signal acquisition module and signal conditioning circuit, GPS synchronously to time sampling module output terminal be connected with signal acquisition module and signal conditioning circuit successively, signal acquisition module is for carrying out mould/number conversion and data transmission to the Monitoring Data gathering, signal conditioning circuit is for carrying out filtering to the data of transmission, amplify and conversion, signal acquisition module carries out the Monitoring Data of collection to be transferred to signal conditioning circuit after mould/number conversion, signal conditioning circuit is for carrying out filtering to the data of transmission, amplify and conversion process, described analyzing and diagnosing telemanagement monitor terminal is provided with main control system, main control system receives static data and static data is stored, analyze and process, and power capacitor vibrational state is judged and send corresponding operating instruction and power capacitor is reported to the police and control according to the result of processing, the data of collecting are recorded to maximal value taking 15 minutes as interval simultaneously, minimum value and mean value, form trend data, carry out dynamic graphical demonstration, in Fig. 2, in embodiment mono-, on four shell surfaces 1 of power capacitor, choose respectively four typical test points, four typical test point positions, power capacitor surface are placed in the vibration sensing point that magnitude of vibrations and frequency can be reflected in power capacitor surface, each test point arranges a wireless laser vibration transducer, be fitted on power capacitor shell surface 1 by magnet base, wireless laser vibration transducer is set to regular timing automatic and measures, the time interval is 30 seconds, also add in addition and manually boot at any time Measurement and Control System, the vibration signal of four vibration-testing points of synchro measure power capacitor after starting, the vibration signal measuring through be wirelessly transmitted to GPS synchronously to time sampling module obtain the vibration detection amount with clock signal, described vibration detection amount is power capacitor surface vibration acceleration.
With reference to Fig. 1, Fig. 2 and Fig. 3, workflow of the present invention is as follows: device work starts, undertaken after signal condition collection by wireless laser vibration transducer, by the wireless laser vibration transducer being arranged on power capacitor, the Vibration Parameter in power capacitor duty is detected and obtains detection data, vibration detection data are surface vibration acceleration signal, record the survey period of detection limit simultaneously, the sensitivity of wireless laser vibration transducer, sample frequency and acquisition mode, and by the data wireless after gathering be transferred to GPS synchronously to time sampling module carry out synchronously to time sampling after, calculate the synchronous static data that detects, comprise capacitor surface vibration peak peak value, effective value.Calculate the complete analyzing and diagnosing telemanagement monitor terminal that is transferred to, analyzing and diagnosing telemanagement monitor terminal is provided with the threshold value of power capacitor surface vibration data peak-to-peak value, the power capacitor surface vibration signal peak peak value calculating and the vibration signal alarm threshold value comparison of effective value and setting for analyzing and diagnosing telemanagement monitor terminal, if exceed alarm threshold value, carry out alarming processing, and store separately the detection data in 10 minutes before and after these moment detection data and alarm, as anomaly analysis data.Analyzing and diagnosing telemanagement monitor terminal is stored all detection data, and forms graphical Wave data, is conducive to carry out trend analysis, running status prediction and alarm.
Claims (8)
1. a power capacitor vibration on-line monitoring device, it is characterized in that it comprises following ingredient: some vibration monitoring sensors (2), GPS synchronously to time sampling module, data collection process base station and analyzing and diagnosing telemanagement monitor terminal, described some vibration monitoring sensors (2) are identical with the quantity of some shell surfaces (1) of power capacitor, each vibration monitoring sensor (2) is arranged on each shell surface (1), each vibration monitoring sensor (2) has unique address, the output terminal of some vibration monitoring sensors (2) synchronize with GPS to time sampling module input end connect, GPS synchronously to time sampling module output terminal be connected with the input end of data processing base station, the output terminal of data processing base station is connected with analyzing and diagnosing telemanagement monitor terminal, the corresponding connection of control end of analyzing and diagnosing telemanagement monitor terminal and power capacitor, described vibration monitoring sensor (2) obtains detection data for power capacitor being carried out to vibration detection, detect data through radioing to GPS synchronously to time sampling module carry out synchronously to time be transferred to data collection process base station after sampling processing, computing is carried out to the Monitoring Data gathering in data collection process base station, obtain the static data of monitoring parameter, comprise the peak-to-peak value of the vibration signal of shell surface (1), effective value and harmonic value, the static data obtaining passes to analyzing and diagnosing telemanagement monitor terminal, by analyzing and diagnosing telemanagement monitor terminal, power capacitor vibrational state judged and send corresponding operating instruction power capacitor is controlled, realize Real-Time Monitoring and control.
2. power capacitor vibration on-line monitoring device according to claim 1, is characterized in that vibration monitoring sensor (2) is fitted and connected by the shell of magnet base and power capacitor.
3. power capacitor vibration on-line monitoring device according to claim 1, it is characterized in that described vibration monitoring sensor (2) synchronize with GPS to time be wireless transmission connection between sampling module, wireless transmission is Bluetooth transmission.
4. according to the power capacitor vibration on-line monitoring device described in claim 1,2 or 3, it is characterized in that described vibration monitoring sensor (2) is set to wireless laser vibration transducer, the acquisition mode of wireless laser vibration transducer is the interval continuously automatic collection mode of 5 minutes or carries out manual command's triggering mode simultaneously.
5. power capacitor vibration on-line monitoring device according to claim 1, is characterized in that being connected for the transmission of 3GHz wireless network between described data collection process base station and analyzing and diagnosing telemanagement monitor terminal.
6. power capacitor vibration on-line monitoring device according to claim 1, is characterized in that carrying out data transmission by international communication agreement IEC60850 between described data collection process base station and analyzing and diagnosing telemanagement monitor terminal.
7. power capacitor vibration on-line monitoring device according to claim 1, it is characterized in that described data collection process base station is arranged in transformer station, data collection process base station comprises signal acquisition module and signal conditioning circuit, GPS synchronously to time sampling module output terminal be connected with signal acquisition module and signal conditioning circuit successively, signal acquisition module is for carrying out mould/number conversion and data transmission to the Monitoring Data gathering, signal conditioning circuit is for carrying out filtering to the data of transmission, amplify and conversion, signal acquisition module carries out the Monitoring Data of collection to be transferred to signal conditioning circuit after mould/number conversion, signal conditioning circuit is for carrying out filtering to the data of transmission, amplify and conversion process.
8. power capacitor vibration on-line monitoring device according to claim 1, it is characterized in that described analyzing and diagnosing telemanagement monitor terminal is provided with main control system, main control system receives static data and static data is stored, analyzed and processes, and power capacitor vibrational state is judged and send corresponding operating instruction and power capacitor is reported to the police and control according to the result of processing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310305493.5A CN104165683A (en) | 2013-07-21 | 2013-07-21 | Online power capacitor vibration monitoring device |
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| CN201310305493.5A CN104165683A (en) | 2013-07-21 | 2013-07-21 | Online power capacitor vibration monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105894772A (en) * | 2016-04-13 | 2016-08-24 | 深圳无线电检测技术研究院 | HWN (heterogeneous wireless network) based electric power quality data monitoring and management system and method |
| CN111989198A (en) * | 2018-03-29 | 2020-11-24 | 日产自动车株式会社 | Abnormality detection device and abnormality detection method |
| CN114339472A (en) * | 2021-12-31 | 2022-04-12 | 中国兵器装备集团自动化研究所有限公司 | Self-adaptive electromechanical equipment data integration acquisition system |
-
2013
- 2013-07-21 CN CN201310305493.5A patent/CN104165683A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105894772A (en) * | 2016-04-13 | 2016-08-24 | 深圳无线电检测技术研究院 | HWN (heterogeneous wireless network) based electric power quality data monitoring and management system and method |
| CN111989198A (en) * | 2018-03-29 | 2020-11-24 | 日产自动车株式会社 | Abnormality detection device and abnormality detection method |
| CN111989198B (en) * | 2018-03-29 | 2023-06-27 | 日产自动车株式会社 | Abnormality detection device and abnormality detection method |
| CN114339472A (en) * | 2021-12-31 | 2022-04-12 | 中国兵器装备集团自动化研究所有限公司 | Self-adaptive electromechanical equipment data integration acquisition system |
| CN114339472B (en) * | 2021-12-31 | 2024-02-06 | 中国兵器装备集团自动化研究所有限公司 | Self-adaptive electromechanical device data integration acquisition system |
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Application publication date: 20141126 |
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