CN202938928U - On-line detection system for transformer winding temperature - Google Patents
On-line detection system for transformer winding temperature Download PDFInfo
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- CN202938928U CN202938928U CN201220621025.XU CN201220621025U CN202938928U CN 202938928 U CN202938928 U CN 202938928U CN 201220621025 U CN201220621025 U CN 201220621025U CN 202938928 U CN202938928 U CN 202938928U
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Abstract
The utility model discloses an on-line detection system for transformer winding temperature. The on-line detection system comprises a broadband light source, temperature measurement probes, a signal conditioning system, and a signal analysis meter connected in sequence. The broadband light source provides high-power and large-band light source. The temperature measurement probes are disposed on each sensing point on a winding and stays of a transformer and other positions inside the transformer. Built-in fiber optic temperature sensors are used for sensing and measuring transformer temperature parameters. The signal conditioning system receives measuring data of the temperature measurement probes and regulates to corresponding optical signals. The signal analysis meter displays measured signal real-time data on a meter, thereby realizing real-time on-line monitoring and life evaluation. Optical signals are used to measure and transmit in the fiber optic temperature sensors, so on-site no-power detection is realized. The on-line detection system can be used to directly measure internal windings of an oil-immersed transformer, and can prompt staff to adjust load of the transformer and prompt predictive maintenance, and transformer faults caused by heating can be prevented.
Description
Technical field
The utility model relates to transformer state monitoring technique field, relates in particular to a kind of Transformer Winding temperature online detection system.
Background technology
At present, the medium-and-large-sized transformer of power industry equipment is being undertaken the conversion of voltage, electric current and the vital task of power delivery, and its performance quality is the safe and stable operation of the whole electric power pool of impact directly.Due to for a long time in the oepration at full load state, adopt again full-closed structure, often cause its each position heating, the staff can't measure inner some the narrow and small position of transformer under many circumstances, as the temperature on the winding of frequent heating, long-time running causes heat generating components aging, will directly threaten the safety of whole electrical network.Therefore, by the easy heat generating spot of Transformer Winding is carried out real time on-line monitoring and judges its health status according to its temperature variation, the prompting staff carries out load adjustment and foreseeability maintenance to transformer, can avoid the transformer fault caused by heating.
Summary of the invention
The purpose of this utility model is to provide a kind of Transformer Winding temperature online detection system, can be used for oil-filled transformer inside winding is directly measured, the prompting staff carries out load adjustment and foreseeability maintenance to transformer, can avoid the transformer fault caused by heating.
For achieving the above object, the technical solution of the utility model is: a kind of Transformer Winding temperature online detection system, comprise connected successively wideband light source, temperature probe, signal mediation system and signal analyzer, described wideband light source provides light source high-power, large broadband; Described temperature probe is arranged on each sensing point of the winding of transformer and stay and inner other position of transformer, sensing determination for the transformer temperature parameter, the signal mediation system, receive the determination data of temperature probe, and reconcile out corresponding light signal; Described signal analyzer, be presented at the signal data recorded on instrument in real time, realizes real time on-line monitoring, and carry out life appraisal on this basis.
Further, described temperature probe built-in fiber temperature sensor.
Fibre optic temperature sensor of the present utility model adopts light signal measured and transmit, non-electric detection is realized at scene, can be used for oil-filled transformer inside winding is directly measured, the prompting staff carries out load adjustment and foreseeability maintenance to transformer, can avoid the transformer fault caused by heating.
The accompanying drawing explanation
Fig. 1 is test philosophy block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described.
As shown in Figure 1, Transformer Winding temperature online detection system of the present utility model, comprise connected successively wideband light source, temperature probe, signal mediation system and signal analyzer, described wideband light source provides light source high-power, large broadband; Described temperature probe is arranged on each sensing point of the winding of transformer and stay and inner other position of transformer, the built-in fiber temperature sensor, for the sensing determination of transformer temperature parameter, the signal mediation system, receive the determination data of temperature probe, and reconcile out corresponding light signal; Described signal analyzer, be presented at the signal data recorded on instrument in real time, realizes real time on-line monitoring, and carry out life appraisal on this basis.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion of making according to the technical solution of the utility model, within all falling into protection domain of the present utility model.
Claims (2)
1. a Transformer Winding temperature online detection system, it is characterized in that: this detection system comprises connected successively wideband light source, temperature probe, signal mediation system and signal analyzer, described wideband light source provides light source high-power, large broadband; Described temperature probe is arranged on each sensing point of the winding of transformer and stay and inner other position of transformer, sensing determination for the transformer temperature parameter, the signal mediation system, receive the determination data of temperature probe, and reconcile out corresponding light signal; Described signal analyzer, be presented at the signal data recorded on instrument in real time, realizes real time on-line monitoring, and carry out life appraisal on this basis.
2. Transformer Winding temperature online detection system according to claim 1, is characterized in that: described temperature probe built-in fiber temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220621025.XU CN202938928U (en) | 2012-11-22 | 2012-11-22 | On-line detection system for transformer winding temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220621025.XU CN202938928U (en) | 2012-11-22 | 2012-11-22 | On-line detection system for transformer winding temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202938928U true CN202938928U (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220621025.XU Expired - Fee Related CN202938928U (en) | 2012-11-22 | 2012-11-22 | On-line detection system for transformer winding temperature |
Country Status (1)
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| CN (1) | CN202938928U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425149A (en) * | 2013-06-28 | 2013-12-04 | 国网电力科学研究院武汉南瑞有限责任公司 | Transformer load control method based on utilizing fiber grating technology to measure hot spot temperature |
| CN103983879A (en) * | 2014-06-04 | 2014-08-13 | 上海理工大学 | Method and simulation device for online fault diagnosis of oil-immersed transformer |
| CN105241570A (en) * | 2015-11-03 | 2016-01-13 | 重庆通赛机电有限公司 | System for continuously monitoring temperature of exciting transformer |
| CN110763942A (en) * | 2019-11-18 | 2020-02-07 | 许继变压器有限公司 | Method and device for detecting residual life of dry-type transformer |
| CN114020075A (en) * | 2021-10-21 | 2022-02-08 | 深圳市壹电电力技术有限公司 | Intelligent transformer system with fault self-diagnosis and transmission power self-regulation functions |
| CN117665654A (en) * | 2023-10-30 | 2024-03-08 | 国网江苏省电力有限公司淮安供电分公司 | Method and system for detecting windings of oil immersed transformer based on optical fiber sensor |
-
2012
- 2012-11-22 CN CN201220621025.XU patent/CN202938928U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425149A (en) * | 2013-06-28 | 2013-12-04 | 国网电力科学研究院武汉南瑞有限责任公司 | Transformer load control method based on utilizing fiber grating technology to measure hot spot temperature |
| CN103983879A (en) * | 2014-06-04 | 2014-08-13 | 上海理工大学 | Method and simulation device for online fault diagnosis of oil-immersed transformer |
| CN105241570A (en) * | 2015-11-03 | 2016-01-13 | 重庆通赛机电有限公司 | System for continuously monitoring temperature of exciting transformer |
| CN110763942A (en) * | 2019-11-18 | 2020-02-07 | 许继变压器有限公司 | Method and device for detecting residual life of dry-type transformer |
| CN110763942B (en) * | 2019-11-18 | 2021-12-31 | 许继变压器有限公司 | Method and device for detecting residual life of dry-type transformer |
| CN114020075A (en) * | 2021-10-21 | 2022-02-08 | 深圳市壹电电力技术有限公司 | Intelligent transformer system with fault self-diagnosis and transmission power self-regulation functions |
| CN117665654A (en) * | 2023-10-30 | 2024-03-08 | 国网江苏省电力有限公司淮安供电分公司 | Method and system for detecting windings of oil immersed transformer based on optical fiber sensor |
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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: 20130515 Termination date: 20191122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |