CN202033432U - Monitoring device used for lightning arrester - Google Patents
Monitoring device used for lightning arrester Download PDFInfo
- Publication number
- CN202033432U CN202033432U CN2011200431396U CN201120043139U CN202033432U CN 202033432 U CN202033432 U CN 202033432U CN 2011200431396 U CN2011200431396 U CN 2011200431396U CN 201120043139 U CN201120043139 U CN 201120043139U CN 202033432 U CN202033432 U CN 202033432U
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- lightning arrester
- monitoring device
- lightning arresters
- monitoring
- lightning
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Abstract
The present utility model relates to the lightning arrester on-site operation monitoring field, and discloses a monitoring device used for lightning arresters. The monitoring device comprises a plurality of CT sensor units arranged on the sides of the lightning arresters, and an intelligent monitoring unit IED connected with the CT sensor units in a signal way through communication cables, the intelligent monitoring unit IED is connected with a station control layer through optical fiber, and the station control layer is connected with a real- time clock and a host computer timing system. Through monitoring the leakage current and the movement frequency of the lightning arresters in real time and continuously by the intelligent monitoring device, the performance of the lightning arresters and the overvoltage restriction situations can be reflected, the operation situations of the lightning arresters can be understood by operating personnel through a display in a control room, and the function of data far transmission is realized. Moreover, the device is also provided with the function of providing a remote communication interface for a host computer of a control center, thus the operation parameters of the lightning arresters are entered into the information system of the control center in real time.
Description
Technical field
The utility model relates to the lightning arrester field, the on-the-spot operational monitoring of particularly a kind of lightning arrester field.
Background technology
The lightning arrester monitoring device is the device that is used for transformer station's its electric property of lightning arrester on-line monitoring, and this device reflects lightning arrester performance and overvoltage Limiting situation by parameters such as the leakage current of lightning arrester and action frequency are carried out real-time continual monitoring.
Lightning arrester is the important protection electrical equipment of electric system, and its operation conditions can be judged by the operational factor of measuring lightning arrester.Along with the requirement of electric system to equipment operation proposition high reliability, this just need monitor in real time, write down and judge the operational factor of lightning arrester, and common lightning arrester monitor can't satisfy this requirement to the lightning arrester operational monitoring.
The utility model content
The purpose of this utility model is to provide a kind of lightning arrester monitoring device, this device reflects lightning arrester performance and overvoltage Limiting situation by leakage current, current in resistance property, capacitance current, action frequency and the time of lightning arrester are carried out real-time continual monitoring, has realized the function of data remote.
In order to achieve the above object, the utility model gives by the following technical solutions and realizing.
A kind of lightning arrester monitoring device, it is characterized in that, comprise a plurality of CT sensor units that are arranged on the lightning arrester side, and the intellectual monitoring unit IED that is connected with this CT sensor unit signal by communication cable, intellectual monitoring unit IED is connected with station level by optical fiber, station level is passed to real-time clock and host computer timing system with Monitoring Data, writes down lightning arrester actuation time and number of times automatically.
Further characteristics of the present utility model are:
Described intellectual monitoring unit IED connects 16～64 CT sensor units.
Described a plurality of CT sensor unit is corresponding to each tested lightning arrester.
Described CT sensor unit and intellectual monitoring unit IED are by communication cable transmission measurement signal and control signal.
Described communication cable adopts RS422 or RS485 pattern.
Described sensor CT adopts single turn core type to install, the arrester ground line directly passes behind the sensor directly ground connection, do not change the ground connection pattern of lightning arrester, complete electrical isolation between tested lightning arrester primary side and the monitoring device, monitoring system and main system have only the contact of magnetic.
The utility model adopts a plurality of CT sensor units to be connected with intellectual monitoring unit IED by communication cable, and intellectual monitoring unit IED is connected with station level by optical fiber, carries out data transfer.By being carried out real-time continual monitoring, parameters such as the leakage current of lightning arrester and action frequency reflect lightning arrester performance and overvoltage Limiting situation, the operator on duty can understand the ruuning situation of lightning arrester by display in the pulpit, realized the function of data remote, moreover, the host computer that system also has to power department control center provides the remote communication interface function, the infosystem that makes the operational factor of lightning arrester enter power supply department, this device can move under the transformer station of various electric pressures and generating plant environment, has guaranteed in real time the operational factor of lightning arrester to be monitored, record, transmit and judgement.
Description of drawings
Fig. 1 is a kind of monitoring device for lightning arrester structural representation of the present utility model.
Among the figure: 1, pass the CT sensor cell; 2, communication cable; 3, intellectual monitoring unit IED; 4, optical fiber.
Embodiment
With reference to Fig. 1, this lightning arrester monitoring device, comprise a plurality of CT sensor units 1 that are arranged on the lightning arrester side, and the intellectual monitoring unit IED3 that is connected with this CT sensor unit 1 signal by communication cable 2, intellectual monitoring unit IED3 is connected with station level by optical fiber 4, station level is connected with the host computer timing system with real-time clock, carries out data transfer.
This device intellectual monitoring unit IED 3 can connect 16～64 CT sensor units 1, and a plurality of CT sensor unit 1 is corresponding to each tested lightning arrester.
The CT sensor unit 1 of this device adopts single turn core type to be connected with tested lightning arrester, the arrester ground line directly passes behind the sensor directly ground connection, do not change the ground connection pattern of lightning arrester, complete electrical isolation between tested lightning arrester primary side and the monitoring device, monitoring system and main system have only the contact of magnetic.
The utility model lightning arrester is with in the monitoring device, CT sensor unit 1 is sent to intellectual monitoring unit IED 3 with the signals such as leakage current of an arrester that the scene sends by communication cable 2, gather by CPU is unified, the full current signal of leakage current is directly found the solution, its resistive component is then according to circuital wave form analysis with calculate, thus the monitoring of realization lightning arrester total current, current in resistance property and capacity current; The lightning arrester action frequency then is sent to intellectual monitoring unit IED 3 together by the detection device records of sensor and with the leakage current signal, CPU judges the running status of lightning arrester after the collection of finishing signal, and with measurement result by being stored in intellectual monitoring unit IED 3 storeies, give the upper monitoring machine with measurement result by optical fiber 4 simultaneously, and on the display screen of host computer, show by management software.
Lightning arrester with monitoring device by intellectual monitoring unit IED 3 carry out current data and action frequency analysis, store and upload, show and check historical data by user side.The lightning arrester operational factor of monitoring device monitoring comprises the parameters such as total current, its current in resistance property, capacity current, action frequency and time of the leakage current of lightning arrester.Lightning arrester is furnished with real-time clock and host computer timing system with monitoring device, writes down lightning arrester actuation time and number of times automatically.
Claims (6)
1. lightning arrester monitoring device, it is characterized in that, comprise a plurality of CT sensor units (1) that are arranged on the lightning arrester side, and the intellectual monitoring unit IED (3) that is connected with this CT sensor unit (1) signal by communication cable (2), intellectual monitoring unit IED (3) is connected with station level by optical fiber (4), and station level is connected with the host computer timing system with real-time clock.
2. a kind of lightning arrester monitoring device according to claim 1 is characterized in that, described intellectual monitoring unit IED (3) connects 16～64 CT sensor units (1).
3. a kind of lightning arrester monitoring device according to claim 1 is characterized in that described a plurality of CT sensor units (1) are corresponding to each tested lightning arrester.
4. a kind of lightning arrester monitoring device according to claim 1 is characterized in that, described CT sensor unit (1) passes through communication cable (2) transmission measurement signal and control signal with intellectual monitoring unit IED (3).
5. a kind of lightning arrester monitoring device according to claim 1 is characterized in that, described CT sensor unit (1) adopts single turn core type to be connected with tested lightning arrester, and the arrester ground line passes directly ground connection of CT sensor unit (1).
6. a kind of lightning arrester monitoring device according to claim 1 is characterized in that, described communication cable (2) adopts RS422 or RS485 pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200431396U CN202033432U (en) | 2011-02-22 | 2011-02-22 | Monitoring device used for lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200431396U CN202033432U (en) | 2011-02-22 | 2011-02-22 | Monitoring device used for lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202033432U true CN202033432U (en) | 2011-11-09 |
Family
ID=44895725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200431396U Expired - Lifetime CN202033432U (en) | 2011-02-22 | 2011-02-22 | Monitoring device used for lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202033432U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714462A (en) * | 2015-02-28 | 2015-06-17 | 湖南威普讯通信科技有限公司 | Intelligent lightning protection system |
| CN104777444A (en) * | 2015-04-14 | 2015-07-15 | 国网辽宁省电力有限公司抚顺供电公司 | Lightning arrester discharge counter comprehensive calibration instrument and calibration method |
| CN105629853A (en) * | 2016-02-29 | 2016-06-01 | 长沙群瑞电子科技有限公司 | Realization of substation lightning comprehensive monitoring system upper computer monitoring software |
| CN105785890A (en) * | 2016-02-29 | 2016-07-20 | 长沙群瑞电子科技有限公司 | Realization of upper computer monitoring software of wind power generation box transformer substation lightning arrester monitor |
-
2011
- 2011-02-22 CN CN2011200431396U patent/CN202033432U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714462A (en) * | 2015-02-28 | 2015-06-17 | 湖南威普讯通信科技有限公司 | Intelligent lightning protection system |
| CN104714462B (en) * | 2015-02-28 | 2017-10-13 | 湖南威普讯通信科技有限公司 | Intelligent lightning protecting system |
| CN104777444A (en) * | 2015-04-14 | 2015-07-15 | 国网辽宁省电力有限公司抚顺供电公司 | Lightning arrester discharge counter comprehensive calibration instrument and calibration method |
| CN104777444B (en) * | 2015-04-14 | 2018-04-06 | 国网辽宁省电力有限公司抚顺供电公司 | Arrester discharge counter comprehensive calibrator and method of calibration |
| CN105629853A (en) * | 2016-02-29 | 2016-06-01 | 长沙群瑞电子科技有限公司 | Realization of substation lightning comprehensive monitoring system upper computer monitoring software |
| CN105785890A (en) * | 2016-02-29 | 2016-07-20 | 长沙群瑞电子科技有限公司 | Realization of upper computer monitoring software of wind power generation box transformer substation lightning arrester monitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111109 |