CN103424199A - On-line temperature measurement monitoring system of overhead power transmission line - Google Patents
On-line temperature measurement monitoring system of overhead power transmission line Download PDFInfo
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- CN103424199A CN103424199A CN2012101628625A CN201210162862A CN103424199A CN 103424199 A CN103424199 A CN 103424199A CN 2012101628625 A CN2012101628625 A CN 2012101628625A CN 201210162862 A CN201210162862 A CN 201210162862A CN 103424199 A CN103424199 A CN 103424199A
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Abstract
The invention discloses an on-line temperature measurement monitoring system of an overhead power transmission line. The on-line temperature measurement monitoring system of the overhead power transmission line comprises a data transducer, a terminal optical path switcher, a monitoring terminal and an on-line monitoring data centralized processing center, wherein the data transducer carries out multi-point real-time monitoring on the overhead power transmission line, the terminal optical path switcher is connected with the data transducer and the monitoring terminal, the monitoring terminal is a DTS temperature measurement device, carries out collection and processing on measured data of the data transducer, and uploads data parameters to the on-line monitoring data centralized processing center, and the on-line monitoring data centralized processing center calculates permissible transmission capacity of a wire at different temperatures according to the temperature and designed parameters of the overhead power transmission line. The on-line temperature measurement monitoring system of the overhead power transmission line achieves optical communication, wire temperature measurement and current-carrying capacity forecasting monitoring, a background analysis system judges whether the transmission capacity of the wire at different temperatures exceeds an upper limit danger critical value in a calculation mode, and sends out alarm information when the transmission capacity of the wire at different temperatures reaches the upper limit danger critical value, line conditioning personnel timely deal with the situation, and normal operation of the overhead power transmission line is ensured.
Description
Technical field
The present invention relates to a kind of overhead transmission line temperature measurement on-line monitoring system, be mainly used in on-line monitoring and the fault diagnosis of overhead line conductor temperature in electric system, belong to the electric power monitoring technical field.
Background technology
The high speed development of modern economy has driven the development of power industry, has also promoted the technical progress of transmission line of electricity.Overhead power transmission conducting wire, as the carrier transmitted electric power, occupies very consequence in transmission line of electricity.China is subject to the impact of macroclimate and mima type microrelief, microclimate condition, the ice damage accident frequently occurs, have a strong impact on the safety of transmission line of electricity, in order to guarantee the safe operation of transmission line of electricity, need to be monitored transmission line of electricity transmission of electricity situation, and take appropriate measures according to the conductor temperature situation monitored, determine corresponding transmission capacity, improve the transmission line of electricity reliability of operation.
Summary of the invention
The object of the invention is to provide a kind of overhead transmission line temperature measurement on-line monitoring system, is mainly used in on-line monitoring and the fault diagnosis of overhead line conductor temperature in electric system, guarantees the transmission line of electricity reliability of operation.
To achieve these goals, technical solution of the present invention realize be: a kind of overhead transmission line temperature measurement on-line monitoring system comprises that establishing data transducer, terminal optical path switcher, monitoring terminal, online monitoring data focuses on center;
Described data transducer is the optical fiber temperature sensor, is implanted in the wire internal layer, the multiple spot Real-Time Monitoring along transmission line of electricity to transmission line of electricity; The detection signal input end of described optical path switcher is connected with the signal output part of data transducer, and output terminal is connected with the signal input part of monitoring terminal; Described monitoring terminal is the DTS temperature measuring equipment, is arranged at the transformer two ends, and the measurement data of data transducer is carried out to acquisition process, and the data parameters of acquisition process is uploaded to online monitoring data by optical fiber focuses on center; Described online monitoring data focuses on built-in backstage, center analytic system, the transmission capacity that wire allows when utilizing the calculation of parameter different temperatures of temperature and Transmission Line Design, when the transmission capacity of wire reaches the dangerous critical value of the upper limit, sending warning message ，You road mediator person processes in time.
Further, described terminal optical path switcher is connected by Transmission Fibers with the DTS temperature measuring equipment.
Transmission line of electricity temperature measurement on-line monitoring system of the present invention, choose in the three-phase transmission line road wherein and one substitute the common carbon fibers wire with optical fiber carbon fiber reinforce plastic wire mutually, thereby realize optical communication, wire thermometric and current-carrying capacity predicting monitoring, online monitoring data focuses on built-in backstage, center analytic system, while calculating different temperatures, whether the transmission capacity of wire surpasses the dangerous critical value of the upper limit, when the transmission capacity of wire reaches the dangerous critical value of the upper limit, send warning message, processed in time by road mediator person, guarantee the normal operation of transmission line of electricity.
The accompanying drawing explanation
Fig. 1 is control principle block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further described.
As shown in Figure 1, transmission line of electricity temperature measurement on-line monitoring system of the present invention, comprise that establishing data transducer, terminal optical path switcher, monitoring terminal, online monitoring data focuses on center;
Described data transducer is the optical fiber temperature sensor, is implanted in the wire internal layer, the multiple spot Real-Time Monitoring along transmission line of electricity to transmission line of electricity;
The detection signal input end of described optical path switcher is connected with the signal output part of data transducer, and output terminal is connected with the signal input part of monitoring terminal; Described monitoring terminal is the DTS temperature measuring equipment, is arranged at the transformer two ends, and the measurement data of data transducer is carried out to acquisition process, and the data parameters of acquisition process is uploaded to online monitoring data by optical fiber focuses on center; Described online monitoring data focuses on built-in backstage, center analytic system, the transmission capacity that wire allows when utilizing the calculation of parameter different temperatures of temperature and Transmission Line Design, when the transmission capacity of wire reaches the dangerous critical value of the upper limit, sending warning message ，You road mediator person processes in time.Described terminal optical path switcher is connected by Transmission Fibers with the DTS temperature measuring equipment.
Transmission line of electricity temperature measurement on-line monitoring system of the present invention, choose in the three-phase transmission line road wherein and one substitute the common carbon fibers wire with optical fiber carbon fiber reinforce plastic wire mutually, thereby realize optical communication, wire thermometric and current-carrying capacity predicting monitoring, online monitoring data focuses on built-in backstage, center analytic system, while calculating different temperatures, whether the transmission capacity of wire surpasses the dangerous critical value of the upper limit, when the transmission capacity of wire reaches the dangerous critical value of the upper limit, send warning message, processed in time by road mediator person, guarantee the normal operation of transmission line of electricity.
Technical scheme of the present invention is not limited to the restriction of above-mentioned specific embodiment, and the technology distortion that every technical scheme according to the present invention is made, within all falling into protection scope of the present invention.
Claims (2)
1. an overhead transmission line temperature measurement on-line monitoring system, comprise that establishing data transducer, terminal optical path switcher, monitoring terminal, online monitoring data focuses on center;
Described data transducer is the optical fiber temperature sensor, is implanted in the wire internal layer, the multiple spot Real-Time Monitoring along transmission line of electricity to transmission line of electricity; The detection signal input end of described optical path switcher is connected with the signal output part of data transducer, and output terminal is connected with the signal input part of monitoring terminal; Described monitoring terminal is the DTS temperature measuring equipment, is arranged at the transformer two ends, and the measurement data of data transducer is carried out to acquisition process, and the data parameters of acquisition process is uploaded to online monitoring data by optical fiber focuses on center; Described online monitoring data focuses on built-in backstage, center analytic system, the transmission capacity that wire allows when utilizing the calculation of parameter different temperatures of temperature and Transmission Line Design.
2. transmission line of electricity temperature measurement on-line monitoring system according to claim 1, its feature in: described terminal optical path switcher is connected by Transmission Fibers with the DTS temperature measuring equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101628625A CN103424199A (en) | 2012-05-24 | 2012-05-24 | On-line temperature measurement monitoring system of overhead power transmission line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101628625A CN103424199A (en) | 2012-05-24 | 2012-05-24 | On-line temperature measurement monitoring system of overhead power transmission line |
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| CN2012101628625A Pending CN103424199A (en) | 2012-05-24 | 2012-05-24 | On-line temperature measurement monitoring system of overhead power transmission line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628250A (en) * | 2015-12-23 | 2016-06-01 | 国网安徽省电力公司蚌埠供电公司 | Power cable fault monitoring method based on grey GM(1,1) model |
| CN105740351A (en) * | 2016-01-26 | 2016-07-06 | 云南电网有限责任公司电力科学研究院 | Data fusion method and system of power transmission operation and maintenance equipment |
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| EP1615011A1 (en) * | 2004-07-08 | 2006-01-11 | Shell Internationale Researchmaatschappij B.V. | Method and system for obtaining physical data by means of a distributed fiber optical sensing cable |
| CN201203487Y (en) * | 2008-04-15 | 2009-03-04 | 广州岭南电缆有限公司 | Distributed optical fiber on-line temperature monitoring cable |
| CN201378084Y (en) * | 2008-12-02 | 2010-01-06 | 广州市设计院 | Enclosed bus slot joint or plug temperature measuring device |
| CN201536027U (en) * | 2009-11-05 | 2010-07-28 | 杭州华新电力线缆有限公司 | Power cable with built-in temperature-measuring optical fiber |
| CN202134275U (en) * | 2011-06-30 | 2012-02-01 | 河南科信电缆有限公司 | Strengthened optical fiber combined through ground wire |
| CN202141770U (en) * | 2011-07-22 | 2012-02-08 | 山东电力集团公司德州供电公司 | Cable current-carrying capacity calculating and early warning system based on distributed fiber temperature measurement |
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- 2012-05-24 CN CN2012101628625A patent/CN103424199A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1615011A1 (en) * | 2004-07-08 | 2006-01-11 | Shell Internationale Researchmaatschappij B.V. | Method and system for obtaining physical data by means of a distributed fiber optical sensing cable |
| CN201203487Y (en) * | 2008-04-15 | 2009-03-04 | 广州岭南电缆有限公司 | Distributed optical fiber on-line temperature monitoring cable |
| CN201378084Y (en) * | 2008-12-02 | 2010-01-06 | 广州市设计院 | Enclosed bus slot joint or plug temperature measuring device |
| CN201536027U (en) * | 2009-11-05 | 2010-07-28 | 杭州华新电力线缆有限公司 | Power cable with built-in temperature-measuring optical fiber |
| CN202134275U (en) * | 2011-06-30 | 2012-02-01 | 河南科信电缆有限公司 | Strengthened optical fiber combined through ground wire |
| CN202141770U (en) * | 2011-07-22 | 2012-02-08 | 山东电力集团公司德州供电公司 | Cable current-carrying capacity calculating and early warning system based on distributed fiber temperature measurement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105628250A (en) * | 2015-12-23 | 2016-06-01 | 国网安徽省电力公司蚌埠供电公司 | Power cable fault monitoring method based on grey GM(1,1) model |
| CN105740351A (en) * | 2016-01-26 | 2016-07-06 | 云南电网有限责任公司电力科学研究院 | Data fusion method and system of power transmission operation and maintenance equipment |
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Application publication date: 20131204 |