CN203101529U - On-line monitoring system of arrester - Google Patents
On-line monitoring system of arrester Download PDFInfo
- Publication number
- CN203101529U CN203101529U CN 201220413226 CN201220413226U CN203101529U CN 203101529 U CN203101529 U CN 203101529U CN 201220413226 CN201220413226 CN 201220413226 CN 201220413226 U CN201220413226 U CN 201220413226U CN 203101529 U CN203101529 U CN 203101529U
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- arrester
- monitoring
- line
- line monitoring
- observation circuit
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 29
- 238000012806 monitoring device Methods 0.000 claims abstract description 12
- 238000005070 sampling Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 6
- 238000007639 printing Methods 0.000 abstract description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010835 comparative analysis Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229960001296 zinc oxide Drugs 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
Images
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- Gas-Insulated Switchgears (AREA)
Abstract
An on-line monitoring system of an arrester relates to the technical field of monitoring devices. The on-line monitoring system is characterized by consisting of an arrester on-line monitor arranged on a spot and monitoring management analysis software in a monitoring center, wherein the arrestor on-line monitor is arranged on the spot and used for monitoring the leakage current of the arrestor in real time by a sampling sensor and sending the leakage current condition to the monitoring center by an RS485 network, and the monitoring center is responsible for receiving the real-time monitoring value of the arrestor on-line monitor by the RS485 network and achieving the functions of real-time display of state parameters of the arrestor, historical data recording and contrastive analysis, prewarning and alarming, all-course recording of running state and report printing and parameter setting. The on-line monitoring system has the capabilities of making an accurate judgment on the running state of the arrester, preventing unnecessary accidents and dangers, greatly improving the safety of a power grid and guaranteeing ordered and normal life of people.
Description
Technical field
The utility model is related to monitoring device technical field, and in particular to a kind of arrester on-line monitoring system.
Background technology
The arrester of electric substation be the operation of protection power equipment safely, prevent the important protection device of lightning strike accident, and at arrester under high pressure can long-term safety operation, be the important content that security performance monitoring is carried out to arrester.To prevent that the insulation damages initiation blast of arrester aging or itself from causing large-area power-cuts, people take annual have a power failure to arrester and detect or sealed in the earth-return circuit of arrester 1 ammeter, using manual patrol, the reading of recording ammeter judges aging and the insulation damages degree of arrester.
It fact proved, manually 24 h or make an inspection tour the reading of 1 primary current table weekly to monitor the deterioration condition of arrester, there is larger defect in the instantaneity for finding failure.The faster arrester of deterioration process it is entirely possible lower 1 time make an inspection tour before with regard to exploding, explosion accident the fact that similar had occurred multiple.Therefore, the online auto monitoring under arrester running status is solved, is that one of unattended important content of high-tension apparatus on-line condition monitoring for being badly in need of solving of electric substation is realized in power system.
Utility model content
Technical problem to be solved in the utility model is the arrester on-line monitoring system for providing a kind of real-time display, historgraphic data recording and the comparative analysis of achievable arrester state parameter, early warning and alarm, running status whole process record and the function such as report printing.
Technical problem to be solved in the utility model realized using following technical scheme,
A kind of arrester on-line monitoring system, it is characterised in that：The monitoring management analysis software for monitoring device and Surveillance center on-line by the arrester for being installed on scene is constituted, described arrester on-line monitoring device is installed at the scene, monitor the leakage current of arrester in real time by sampling detector, and Surveillance center is sent to by RS485 networks, Surveillance center is responsible to receive the real-time monitor value that arrester monitors device on-line by RS485 networks, realizes that arrester state parameter is shown in real time, historgraphic data recording and comparative analysis, early warning and alarm, running status whole process are recorded and report printing, parameter setting function.
Described arrester on-line monitoring device is made up of a highly sensitive measurement sensor, high-precision preamplifier, total current observation circuit, current in resistance property observation circuit, total current display instrument, discharge counter, embedded system and the communication interfaces of RS 485.
Described measurement sensor is connected to preamplifier, described preamplifier is connected to total current observation circuit, described total current observation circuit connection current in resistance property observation circuit, described current in resistance property observation circuit connection total current display instrument, described total current display instrument connection discharge counter, described discharge counter connection embedded system, described embedded system is connected to Surveillance center by RS485 communication interfaces.
There are 3 arrester on-line monitoring devices in three-phase lightning protector monitoring system, in same stainless steel casing, powered using a Switching Power Supply, Monitoring Data is sent to by Surveillance center by the networks of RS 485.
The beneficial effects of the utility model are：
（1）System uses newest embedded Control technology and modern sensor detection technique, and system working stability, alarm are in time, accurately and reliably.
（2）The unmanned on-line monitoring of transformer station's Zinc-Oxide Arrester equipment is realized, by monitoring current in resistance property or total current, the more accurate and effective operation safe condition for judging arrester.
（3）Transformer station's Zinc-Oxide Arrester equipment operating data upload is realized, the meter reading of hurrying back and forth back and forth of operating personnel is reduced, greatly improves operating efficiency, enhance substation equipment intellectuality, networking is accumulated experience to improve substation automation level；Improve electric substation and run real-time level monitoring, reduce management cost.
（4）Manage service data concentratedly, the running status to arrester makes accurate judgement, it is to avoid unnecessary accident and danger, substantially increases power grid security, ensure people's lives in order, normally.
（5）System monitoring administrative analysis software can be linked with centralized control center of electric substation, sharing data resources, and can realize the management functions such as the real time print of arrester Condition Monitoring Data, analysis.
Brief description of the drawings
Fig. 1 is the utility model functional-block diagram；
Fig. 2 is that the utility model arrester monitors device functional-block diagram on-line.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, with reference to being specifically illustrating, the utility model is expanded on further.
As shown in Figure 1, a kind of arrester on-line monitoring system, the monitoring management analysis software for monitoring device and Surveillance center on-line by the arrester for being installed on scene is constituted, arrester on-line monitoring device is installed at the scene, monitor the leakage current of arrester in real time by sampling detector, and Surveillance center is sent to by RS485 networks, Surveillance center is responsible for receiving the real-time monitor value that arrester monitors device on-line by RS485 networks, realize that arrester state parameter is shown in real time, historgraphic data recording and comparative analysis, early warning and alarm, running status whole process record and report printing, parameter setting function.
It is made up of as shown in Fig. 2 arrester monitors device on-line a highly sensitive measurement sensor, high-precision preamplifier, total current observation circuit, current in resistance property observation circuit, total current display instrument, discharge counter, embedded system and the communication interfaces of RS 485.Measurement sensor is connected to preamplifier, preamplifier is connected to total current observation circuit, total current observation circuit connects current in resistance property observation circuit, current in resistance property observation circuit connects total current display instrument, total current display instrument connects discharge counter, discharge counter connects embedded system, and embedded system is connected to Surveillance center by RS485 communication interfaces.There are 3 arrester on-line monitoring devices in three-phase lightning protector monitoring system, in same stainless steel casing, powered using a Switching Power Supply, Monitoring Data is sent to by Surveillance center by the networks of RS 485.The signal deteching circuit of arrester on-line monitoring device is made up of highly sensitive measurement sensor, high-precision preamplifier, total current observation circuit, current in resistance property observation circuit etc., to realize the accurate measurement to leakage current of an arrester, and due to using non-contacting current measurement mode, so as to solve the problems, such as the electrical isolation of high-tension apparatus current measurement.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.It should be understood by those skilled in the art that; the utility model is not restricted to the described embodiments; simply illustrate principle of the present utility model described in above-described embodiment and specification; on the premise of the utility model spirit and scope are not departed from; the utility model also has various changes and modifications, and these changes and improvements are both fallen within the range of claimed the utility model.Scope is claimed by appending claims and its equivalent thereof in the utility model.
Claims (3)
1. arrester on-line monitoring system, it is characterised in that：Device is monitored on-line by the arrester for being installed on scene and Surveillance center constitutes, described arrester on-line monitoring device is installed at the scene, monitor the leakage current of arrester in real time by sampling detector, and Surveillance center is sent to by RS485 networks, Surveillance center is responsible for receiving the real-time monitor value that arrester monitors device on-line by RS485 networks.
2. arrester on-line monitoring system according to claim 1, it is characterised in that：Described arrester on-line monitoring device is made up of measurement sensor, preamplifier, total current observation circuit, current in resistance property observation circuit, total current display instrument, discharge counter, embedded system and the communication interfaces of RS 485.
3. arrester on-line monitoring system according to claim 2, it is characterised in that：Described measurement sensor is connected to preamplifier, described preamplifier is connected to total current observation circuit, described total current observation circuit connection current in resistance property observation circuit, described current in resistance property observation circuit connection total current display instrument, described total current display instrument connection discharge counter, described discharge counter connection embedded system, described embedded system is connected to Surveillance center by RS485 communication interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220413226 CN203101529U (en) | 2012-08-20 | 2012-08-20 | On-line monitoring system of arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220413226 CN203101529U (en) | 2012-08-20 | 2012-08-20 | On-line monitoring system of arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203101529U true CN203101529U (en) | 2013-07-31 |
Family
ID=48852919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220413226 Expired - Fee Related CN203101529U (en) | 2012-08-20 | 2012-08-20 | On-line monitoring system of arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203101529U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472324A (en) * | 2013-08-19 | 2013-12-25 | 国家电网公司 | Zinc oxide lightning arrester live-line testing apparatus |
| CN104360138A (en) * | 2014-11-21 | 2015-02-18 | 国家电网公司 | Wireless remote transmission system for online monitoring of electric transmission line arrester |
-
2012
- 2012-08-20 CN CN 201220413226 patent/CN203101529U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472324A (en) * | 2013-08-19 | 2013-12-25 | 国家电网公司 | Zinc oxide lightning arrester live-line testing apparatus |
| CN104360138A (en) * | 2014-11-21 | 2015-02-18 | 国家电网公司 | Wireless remote transmission system for online monitoring of electric transmission line arrester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20180820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |