CN101339229A - High-voltage circuit-breaker status on-line monitoring method based on synchronous sampling - Google Patents
High-voltage circuit-breaker status on-line monitoring method based on synchronous sampling Download PDFInfo
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- CN101339229A CN101339229A CNA2008101071973A CN200810107197A CN101339229A CN 101339229 A CN101339229 A CN 101339229A CN A2008101071973 A CNA2008101071973 A CN A2008101071973A CN 200810107197 A CN200810107197 A CN 200810107197A CN 101339229 A CN101339229 A CN 101339229A
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Abstract
The invention relates to an online monitoring method for the status of a high-voltage circuit breaker based on synchronous sampling, comprising procedures as follows: a GPS clock receiver provides a globally uniform PPS signal and a time code for the monitoring host of a converting station terminal; the monitoring host is used for sending GPS clock synchronous signals to monitoring units at different places via a Zigbee Wi-Fi based on an IEEE 1588 clock synchronous protocol; the monitoring units at different places adopt the large-scaled programmable logic device (PLD) hardware to generate a local synchronous sampling impulse based on the received GPS PPS signal and send the local synchronous sampling impulse to a sampling maintainer of a local monitoring unit so as to implement the off-site synchronous status sampling of the circuit breaker. The adoption of the online monitoring method can synchronously monitor the action characteristics of a plurality of circuit breakers and measure the status parameters of the circuit breakers in all aspects, thus facilitating the action analysis, status judgment, and service life estimation towards the circuit breakers conducted by operation and maintenance staff on the same temporal coordinate system. Furthermore, the maintenance cost is low.
Description
Technical field
The present invention relates to a kind of circuit-breaker status on-line monitoring method, especially a kind of high-voltage circuit-breaker status on-line monitoring method based on synchronized sampling.
Background technology
Isolating switch on-line condition monitoring system is used for the monitoring of mechanical property, electrical insulation properties, contact electric life and the operation circuit duty of transformer station, switching station, power plant's isolating switch, data and relevant historical data by the analysis-by-synthesis on-line monitoring, diagnose out the primary cut-out current working state, for the electrical equipment repair based on condition of component provides decision-making foundation.In the electric system, isolating switch quantity at most, the maintenance amount is big, expense is high, and relevant statistics shows that the over half of transformer station's maintenance cost is to be used on the primary cut-out, and 60% be light maintenance and the regular maintenance that is used for isolating switch wherein.In addition according to statistics, 10% circuit breaker failure is because due to the incorrect maintenance, the overhaul of isolating switch is disintegrated fully, both time-consuming, expense is also very high, and disintegrates and ressemble and can cause a lot of new defectives, in conservative relatively at present scheduled overhaul, maintenance lacks certain specific aim.The duty of isolating switch, the position of defective can in time be understood by isolating switch on-line condition monitoring system, reduce too early or unnecessary power failure test and maintenance, reduce maintenance workload, reduce maintenance cost, improve the specific aim of maintenance, can significantly improve Power System Reliability and economy.But existing circuit breaker on-line monitoring method mainly has the following disadvantages: 1, the circuit-breaker status parameter measurement is not comprehensive; 2, acting characteristic that can not a plurality of isolating switchs of synchronous monitoring; 3, the existing system data Interchange Format is not quite similar, and has limited the third party software interface, has restricted the in-depth analysis and the diagnosis of working state of circuit breaker; 4, adopt the scheme system of the cable data collection of RS 485 to be difficult to dispose, maintenance cost is very high.
Summary of the invention
Purpose of the present invention just provide a kind of can synchronous monitoring a plurality of isolating switchs acting characteristic, measure circuit-breaker status parameter, the high-voltage circuit-breaker status on-line monitoring method that maintenance cost is low based on synchronized sampling comprehensively.
High-voltage circuit-breaker status on-line monitoring method based on synchronized sampling of the present invention, be based on the data sync sampling of GPS unified clock and Zigbee radio communication, the GPS receiving element provides the whole world unified pps pulse per second signal for transformer station's end monitoring main frame, the monitoring main frame by the Zigbee wireless network to each on the spot monitoring means issue strange land synchronized sampling order; Respectively monitoring means adopts programmable logic device (PLD) hardware to produce Synchronous Sampling Pulse on the spot according to receiving the GPS pps pulse per second signal on the spot, and the A/D converter that Synchronous Sampling Pulse sends to monitoring means on the spot realized the strange land synchronized sampling of circuit-breaker status, adopt based on IEEE 1588 clock protocols and realize transformer station's end monitoring main frame and the clock synchronization between the monitoring means on the spot.
The end monitoring main frame of standing places in the master-control room, many on the spot monitoring means be installed on by the isolating switch at switch scene, the measurement of correlation signal output that characterizes circuit-breaker status is connected to the corresponding signal input part of monitoring means on the spot, monitoring means transmits the end monitoring main frame that arrives at a station with the parameter of monitoring by Zigbee wireless receiving/transmitter and Zigbee cordless communication network on the spot, after the end monitoring main frame of standing is received data, carry out data processing, real-time video data, historgraphic data recording, the warning that overflows, the gps clock receiver provides the whole world unified pps pulse per second signal and timing code for system simultaneously.
Monitoring means is used to measure the parameter that characterizes circuit-breaker status on the spot, and described monitoring means on the spot comprises signal conditioning circuit, A/D converter, processor, Zigbee wireless network module.
The sign circuit-breaker status parameter of monitoring means synchronized sampling measurement comprises on the spot: the supply voltage of breaker control circuit supply voltage, direct supply fuse voltage, electric motor operating mechanism, two circuit breaker auxiliary contact voltages, closing coil electric current, two road breaking coil electric currents, three-phase line electric current, combined floodgate trigger pip, tripping operation trigger pip, two tunnel prevent the jumping relay trigger pip.
High-voltage circuit-breaker status on-line monitoring method based on synchronized sampling of the present invention, compare with existing method, have the following advantages: the signals such as voltage signal, current signal and Event triggered that 1, can gather 14 tunnel sign circuit-breaker status simultaneously, the character of each passage can be disposed by definite value, according to different signal properties image data is carried out different disposal; 2, based on the GPS unified clock and and the sampling of the data sync of Zigbee radio communication, make image data analyzing on the coordinate system at the same time according to absolute time mark, be convenient to synchronous monitoring and analyze the acting characteristic of a plurality of isolating switchs; 3, the data format file of standard is provided, and the data of collection can be obtained and analyze to the third-party analysis program very easily, for correlative study work is provided convenience; 4, adopt the data acquisition plan of Zigbee radio communication, dispose flexibly, maintenance cost is low.
Description of drawings
Fig. 1 is a system architecture synoptic diagram of the present invention;
Fig. 2 is a data sync sampling principle synoptic diagram of the present invention.
Embodiment
The present invention is further detailed explanation to reach concrete enforcement below in conjunction with accompanying drawing:
As Fig. 1, the main electrical scheme of transformer station 1 is 1 half breaker wiring, and circuit 4 and circuit 5 usefulness isolating switchs 7, isolating switch 8 and isolating switch 9 are connected on bus 2 and the bus 3, and another loop line road 6 usefulness isolating switchs 10 and isolating switch 11 are connected on bus 2 and the bus 3.In order to monitor, write down and store above 5 isolating switchs in real time when normally moving, with the correlation parameter numerical value that produces in isolating switch branch, the making process, the technical scheme of this locust is: comprise on the spot monitoring means 12, monitoring means 13, monitoring means 14, monitoring means 15 and monitoring means 16 on the spot on the spot on the spot on the spot, Zigbee wireless receiving/transmitter 18 and Zigbee cordless communication network 19, the station end monitoring main frame 20, gps clock receiver 22 and gps antenna 23.The end monitoring main frame 21 of standing places in the master-control room 20, monitoring means is installed on by the isolating switch at switch scene 17 on the spot, the measurement of correlation signal output that characterizes circuit-breaker status is connected to the corresponding signal input part of monitoring means on the spot, monitoring means transmits the end monitoring main frame 21 that arrives at a station with the parameter of monitoring by Zigbee wireless receiving/transmitter 18 and Zigbee cordless communication network 19 on the spot, after the end monitoring main frame 21 of standing is received data, carry out data processing, real-time video data, historgraphic data recording, warning overflows.Gps clock receiver 22 provides the whole world unified pps pulse per second signal and timing code for system.
As Fig. 2, the GPS receiving element provides the whole world unified pps pulse per second signal for transformer station's end monitoring main frame, the monitoring main frame by the Zigbee wireless network to each on the spot monitoring means issue strange land synchronized sampling order, respectively monitoring means adopts large-scale complex programmable logic device (PLD) (CPLD) hardware to produce Synchronous Sampling Pulse on the spot the GPS pps pulse per second signal that receives on the spot, and Synchronous Sampling Pulse is sent to the strange land synchronized sampling of the A/D converter realization circuit-breaker status of monitoring means on the spot.Because the sampled data of every of monitoring means is one to one with the Synchronous Sampling Pulse that the GPS unit produces on the spot, thereby the parameter acquisition of feasible be separated by tens kilometers or up to a hundred kilometers all is synchronous.Each sampled point is all stamped absolute time mark.Different like this devices also is to sample simultaneously in different places.They record the waveform that gets off, can analyze on the coordinate system at the same time according to absolute time mark.
Claims (4)
1, a kind of high-voltage circuit-breaker status on-line monitoring method based on synchronized sampling, it is characterized in that: it is based on the data sync sampling of GPS unified clock and Zigbee radio communication, the GPS receiving element provides the whole world unified pps pulse per second signal for transformer station's end monitoring main frame, the monitoring main frame by the Zigbee wireless network to each on the spot monitoring means issue strange land synchronized sampling order; Respectively monitoring means adopts programmable logic device (PLD) hardware to produce Synchronous Sampling Pulse on the spot according to receiving the GPS pps pulse per second signal on the spot, and Synchronous Sampling Pulse is sent to the strange land synchronized sampling of the A/D converter realization circuit-breaker status of monitoring means on the spot;
The end monitoring main frame of standing places in the master-control room, many on the spot monitoring means be installed on by the isolating switch at switch scene, the measurement of correlation signal output that characterizes circuit-breaker status is connected to the corresponding signal input part of monitoring means on the spot, monitoring means transmits the end monitoring main frame that arrives at a station with the parameter of monitoring by Zigbee wireless receiving/transmitter and Zigbee cordless communication network on the spot, after the end monitoring main frame of standing is received data, carry out data processing, real-time video data, historgraphic data recording, the warning that overflows, the gps clock receiver provides the whole world unified pps pulse per second signal and timing code for system simultaneously.
2, the high-voltage circuit-breaker status on-line monitoring method based on synchronized sampling according to claim 1, it is characterized in that: described monitoring means on the spot comprises signal conditioning circuit, A/D converter, processor, Zigbee wireless network module, is used to measure the parameter that characterizes circuit-breaker status.
3, the high-voltage circuit-breaker status on-line monitoring method based on synchronized sampling according to claim 1 is characterized in that: the parameter of described sign circuit-breaker status is supply voltage, two circuit breaker auxiliary contact voltages, closing coil electric current, two road breaking coil electric currents, three-phase line electric current, combined floodgate trigger pip, tripping operation trigger pip, No. two auxiliary reclay trigger pips of breaker control circuit supply voltage, direct supply fuse voltage, electric motor operating mechanism.
4, the high-voltage circuit-breaker status on-line monitoring method based on synchronized sampling according to claim 1 is characterized in that: it is to adopt based on IEEE 1588 clock protocols to realize transformer station's end monitoring main frame and the clock synchronization between the monitoring means on the spot.
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| CNA2008101071973A CN101339229A (en) | 2008-08-18 | 2008-08-18 | High-voltage circuit-breaker status on-line monitoring method based on synchronous sampling |
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| CNA2008101071973A CN101339229A (en) | 2008-08-18 | 2008-08-18 | High-voltage circuit-breaker status on-line monitoring method based on synchronous sampling |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289590A (en) * | 2011-08-18 | 2011-12-21 | 沈阳工业大学 | Method for estimating operating state of SF6 high-voltage circuit breaker and intelligent system |
| CN102721874A (en) * | 2012-05-30 | 2012-10-10 | 国网电力科学研究院武汉南瑞有限责任公司 | Device and method for digitally measuring dielectric loss by applying IEEE1588 time setting function |
| CN103091593A (en) * | 2013-02-04 | 2013-05-08 | 广东电网公司电力调度控制中心 | Fault monitoring method and fault monitoring device for electric power communication equipment |
| CN103163489A (en) * | 2013-01-31 | 2013-06-19 | 广东电网公司电力调度控制中心 | Power source risk early warning method of electric power telecommunication equipment |
| CN103368676A (en) * | 2012-03-28 | 2013-10-23 | 中国科学院声学研究所 | Periodical pulse signal-based different place data synchronous acquisition method and periodical pulse signal-based different place data synchronous acquisition system |
| CN103592566A (en) * | 2013-09-02 | 2014-02-19 | 北京交通大学 | Wireless communication based power distribution network distributed online monitoring and fault positioning system |
| CN103616608A (en) * | 2013-12-10 | 2014-03-05 | 国家电网公司 | Intelligent monitoring device andg method for electric contact state of gas-insulation switch contactor |
| CN104155559A (en) * | 2014-07-03 | 2014-11-19 | 宁波摩米创新工场电子科技有限公司 | Insulating on-line monitoring system for high-voltage electrical equipment |
| CN105093022A (en) * | 2015-08-12 | 2015-11-25 | 国家电网公司 | Wireless synchronization data acquisition control method and system |
| CN105259495A (en) * | 2015-07-03 | 2016-01-20 | 四川大学 | High-voltage circuit breaker operation mechanism state evaluation method based on opening-closing coil current characteristic quantity optimization |
| CN105467313A (en) * | 2016-01-07 | 2016-04-06 | 广东电网有限责任公司电力科学研究院 | Online power system circuit breaker mechanical fault diagnosis system |
| CN106019131A (en) * | 2016-05-18 | 2016-10-12 | 四川大学 | State comprehensive evaluation method for high-voltage circuit breaker operating mechanism based on switching-on and switching-off coil currents |
| CN106443434A (en) * | 2016-10-21 | 2017-02-22 | 宁波市艾霖信息科技有限公司 | Intelligent breaker state monitoring electronic equipment |
| CN106470211A (en) * | 2015-08-21 | 2017-03-01 | 克利万工业-电子有限公司 | There is the equipment of at least one apparatus assembly for monitoring and/or adjustment equipment |
| CN107681776A (en) * | 2016-08-02 | 2018-02-09 | 天津中电华利电器科技集团有限公司 | A kind of intelligent controller of omnipotent breaker |
| CN109286459A (en) * | 2017-07-21 | 2019-01-29 | 北京智云芯科技有限公司 | A kind of method for synchronizing time and system |
| CN111273161A (en) * | 2020-03-13 | 2020-06-12 | 张树征 | Power failure detection device |
| CN111628569A (en) * | 2019-02-28 | 2020-09-04 | 施耐德电器工业公司 | Power distribution detection device, power distribution detection method, wireless power distribution detection system and wireless power distribution detection method |
| CN113487851A (en) * | 2021-05-18 | 2021-10-08 | 浙江工业大学 | Remote control instruction transmission method for high-voltage circuit breaker |
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2008
- 2008-08-18 CN CNA2008101071973A patent/CN101339229A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289590A (en) * | 2011-08-18 | 2011-12-21 | 沈阳工业大学 | Method for estimating operating state of SF6 high-voltage circuit breaker and intelligent system |
| CN103368676A (en) * | 2012-03-28 | 2013-10-23 | 中国科学院声学研究所 | Periodical pulse signal-based different place data synchronous acquisition method and periodical pulse signal-based different place data synchronous acquisition system |
| CN103368676B (en) * | 2012-03-28 | 2016-08-03 | 中国科学院声学研究所 | A kind of strange land based on cyclic pulse signal synchronous data sampling method and system |
| CN102721874A (en) * | 2012-05-30 | 2012-10-10 | 国网电力科学研究院武汉南瑞有限责任公司 | Device and method for digitally measuring dielectric loss by applying IEEE1588 time setting function |
| CN103163489B (en) * | 2013-01-31 | 2015-09-16 | 广东电网公司电力调度控制中心 | A kind of power supply method for prewarning risk of electric power communication device |
| CN103163489A (en) * | 2013-01-31 | 2013-06-19 | 广东电网公司电力调度控制中心 | Power source risk early warning method of electric power telecommunication equipment |
| CN103091593B (en) * | 2013-02-04 | 2015-10-21 | 广东电网公司电力调度控制中心 | The fault monitoring method of electric power communication device and device |
| CN103091593A (en) * | 2013-02-04 | 2013-05-08 | 广东电网公司电力调度控制中心 | Fault monitoring method and fault monitoring device for electric power communication equipment |
| CN103592566A (en) * | 2013-09-02 | 2014-02-19 | 北京交通大学 | Wireless communication based power distribution network distributed online monitoring and fault positioning system |
| CN103616608A (en) * | 2013-12-10 | 2014-03-05 | 国家电网公司 | Intelligent monitoring device andg method for electric contact state of gas-insulation switch contactor |
| CN103616608B (en) * | 2013-12-10 | 2017-01-18 | 国家电网公司 | Intelligent monitoring device andg method for electric contact state of gas-insulation switch contactor |
| CN104155559B (en) * | 2014-07-03 | 2017-04-26 | 宁波摩米创新工场电子科技有限公司 | Insulating on-line monitoring system for high-voltage electrical equipment |
| CN104155559A (en) * | 2014-07-03 | 2014-11-19 | 宁波摩米创新工场电子科技有限公司 | Insulating on-line monitoring system for high-voltage electrical equipment |
| CN105259495A (en) * | 2015-07-03 | 2016-01-20 | 四川大学 | High-voltage circuit breaker operation mechanism state evaluation method based on opening-closing coil current characteristic quantity optimization |
| CN105259495B (en) * | 2015-07-03 | 2017-11-03 | 四川大学 | A kind of primary cut-out operating mechanism state evaluating method optimized based on divide-shut brake coil current characteristic quantity |
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| CN106470211A (en) * | 2015-08-21 | 2017-03-01 | 克利万工业-电子有限公司 | There is the equipment of at least one apparatus assembly for monitoring and/or adjustment equipment |
| CN105467313A (en) * | 2016-01-07 | 2016-04-06 | 广东电网有限责任公司电力科学研究院 | Online power system circuit breaker mechanical fault diagnosis system |
| CN106019131A (en) * | 2016-05-18 | 2016-10-12 | 四川大学 | State comprehensive evaluation method for high-voltage circuit breaker operating mechanism based on switching-on and switching-off coil currents |
| CN106019131B (en) * | 2016-05-18 | 2017-10-31 | 四川大学 | A kind of primary cut-out operating mechanism state comprehensive estimation method based on divide-shut brake coil current |
| CN107681776A (en) * | 2016-08-02 | 2018-02-09 | 天津中电华利电器科技集团有限公司 | A kind of intelligent controller of omnipotent breaker |
| CN106443434A (en) * | 2016-10-21 | 2017-02-22 | 宁波市艾霖信息科技有限公司 | Intelligent breaker state monitoring electronic equipment |
| CN109286459A (en) * | 2017-07-21 | 2019-01-29 | 北京智云芯科技有限公司 | A kind of method for synchronizing time and system |
| CN109286459B (en) * | 2017-07-21 | 2020-09-15 | 北京智云芯科技有限公司 | Time synchronization method and system |
| CN111628569A (en) * | 2019-02-28 | 2020-09-04 | 施耐德电器工业公司 | Power distribution detection device, power distribution detection method, wireless power distribution detection system and wireless power distribution detection method |
| CN111273161A (en) * | 2020-03-13 | 2020-06-12 | 张树征 | Power failure detection device |
| CN111273161B (en) * | 2020-03-13 | 2022-03-22 | 上海禾楷电气科技有限公司 | Power failure detection device |
| CN113487851A (en) * | 2021-05-18 | 2021-10-08 | 浙江工业大学 | Remote control instruction transmission method for high-voltage circuit breaker |
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Open date: 20090107 |