CN202172265U - Circuit breaker state monitoring system integrated into relay protection apparatus - Google Patents
Circuit breaker state monitoring system integrated into relay protection apparatus Download PDFInfo
- Publication number
- CN202172265U CN202172265U CN2011202874473U CN201120287447U CN202172265U CN 202172265 U CN202172265 U CN 202172265U CN 2011202874473 U CN2011202874473 U CN 2011202874473U CN 201120287447 U CN201120287447 U CN 201120287447U CN 202172265 U CN202172265 U CN 202172265U
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- CN
- China
- Prior art keywords
- circuit breaker
- input module
- monitoring system
- analog quantity
- state monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The technology scheme of the utility model provides a circuit breaker state monitoring system integrated into a relay protection apparatus, characterized in comprising a switching value input module for detecting the position state of a circuit breaker, and an analog quantity input module for detecting the trip-out current of the circuit breaker, wherein the switching value input module is connected with a CPU via a photoelectric isolation module, the analog quantity input module is connected with a mutual inductor, and the mutual inductor is connected with the CPU via an A/D conversion module. The circuit breaker state monitoring system can carry out real-time monitoring of the positional information, the disconnecting time and the contact wearing extent of a circuit breaker, with unnecessary power failure overhaul being avoided.
Description
Technical field
The utility model relates to a kind of circuit-breaker status monitoring system that is integrated in the protective relaying device.
Background technology
Development of modern society requires increasingly highly to electric power system, thereby the reliability of primary cut-out of in electric power system, undertaking control, protection dual-use function seems most important.Operational reliability in order to ensure primary cut-out cuts the waste, and improves the availability factor of equipment, and the maintenance of power equipment is at present developed to the repair based on condition of component direction by periodic inspection.
Summary of the invention
The purpose of the utility model provides a kind of circuit-breaker status monitoring system that is integrated in the protective relaying device, for the circuit breaker maintenance provides reference frame.
In order to achieve the above object; The technical scheme of the utility model has provided a kind of circuit-breaker status monitoring system that is integrated in the protective relaying device; It is characterized in that: comprise the analog quantity input module that is used to detect circuit breaker position state of switch amount input module and is used to detect the circuit breaker trip electric current; Switching input module links to each other with CPU through photoelectric isolation module, and the analog quantity input module connects instrument transformer, and instrument transformer connects CPU through the A/D modular converter.
A kind of circuit-breaker status monitoring system that is integrated in the protective relaying device that the utility model provides can be monitored positional information, open and close times and the contact head abrasive loss of circuit breaker in real time, avoids unnecessary interruption maintenance.
Description of drawings
A kind of circuit-breaker status monitoring system circuit block diagram that is integrated in the protective relaying device that Fig. 1 provides for the utility model.
Embodiment
For making the utility model more obviously understandable, now with a preferred embodiment, and conjunction with figs. elaborates as follows.
As shown in Figure 1; A kind of circuit-breaker status monitoring system that is integrated in the protective relaying device that the utility model provides; Comprise the analog quantity input module that is used to detect circuit breaker position state of switch amount input module and is used to detect the circuit breaker trip electric current; Switching input module links to each other with CPU through photoelectric isolation module, and the analog quantity input module connects instrument transformer, and instrument transformer connects CPU through the A/D modular converter.
The location status of circuit breaker (close the position and jump the position) is through switching value input circuit input CPU after photoelectricity is isolated; The circuit breaker trip electric current is converted into voltage signal with current signal through the analog quantity input circuit after the instrument transformer conversion; Through converting analog quantity into digital quantity input CPU that CPU can discern after the A/D modular converter, draw the concrete wear extent of circuit breaker after the processing of CPU process, judgement, the computing again.
Claims (1)
1. circuit-breaker status monitoring system that is integrated in the protective relaying device; It is characterized in that: comprise the analog quantity input module that is used to detect circuit breaker position state of switch amount input module and is used to detect the circuit breaker trip electric current; Switching input module links to each other with CPU through photoelectric isolation module; The analog quantity input module connects instrument transformer, and instrument transformer connects CPU through the A/D modular converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202874473U CN202172265U (en) | 2011-08-09 | 2011-08-09 | Circuit breaker state monitoring system integrated into relay protection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202874473U CN202172265U (en) | 2011-08-09 | 2011-08-09 | Circuit breaker state monitoring system integrated into relay protection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202172265U true CN202172265U (en) | 2012-03-21 |
Family
ID=45830451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202874473U Expired - Lifetime CN202172265U (en) | 2011-08-09 | 2011-08-09 | Circuit breaker state monitoring system integrated into relay protection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202172265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611945A (en) * | 2017-09-25 | 2018-01-19 | 国网河南省电力公司电力科学研究院 | A kind of equipment state sensing type 110kV line protection systems and implementation method |
| US10147572B2 (en) | 2016-03-11 | 2018-12-04 | Abb Schweiz Ag | Embedded pole and method of assembling same |
-
2011
- 2011-08-09 CN CN2011202874473U patent/CN202172265U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10147572B2 (en) | 2016-03-11 | 2018-12-04 | Abb Schweiz Ag | Embedded pole and method of assembling same |
| CN107611945A (en) * | 2017-09-25 | 2018-01-19 | 国网河南省电力公司电力科学研究院 | A kind of equipment state sensing type 110kV line protection systems and implementation method |
| CN107611945B (en) * | 2017-09-25 | 2020-05-29 | 国网河南省电力公司电力科学研究院 | Equipment state sensing type 110kV line protection system and implementation method |
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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 |
Granted publication date: 20120321 |
|
| CX01 | Expiry of patent term |