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The Research and Monitoring on Device of Condition Based Parameter of Vaccum Circuit Breaker

Author: ZhangJianPing
Tutor: CaiDeLi
School: Chongqing University
Course: Proceedings of the
Keywords: Vacuum breaker Breaking current Electrical life Condition-based maintenance
CLC: TM561.1
Type: Master's thesis
Year: 2002
Downloads: 258
Quote: 5
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Abstract


Vacuum circuit breakers in recent years for its long service life, can frequently breaking, no oil, no explosion etc., are widely applied in the power system. With the development of science and technology, electrical equipment, diagnostic technology has experienced a never science to a more scientific step-by-step development process early, running equipment whenever there is damage before shutdown to repair, is in bad repair, not not bad repair era, \Later developed into \improve, but also a waste of manpower and increased costs, so the U.S. company GE in 1954 proposed the so-called \It is through a variety of means of the equipment is running estimate or diagnosis of health standards, targeted according to the results of the diagnostic overhaul, the result is that both reduce waste, and improved equipment reliability; the Fourth Day insulation diagnostic techniques discussion will be well CIGRE1996 of its annual session in 1996 proposed diagnostic technology based life prediction (Life expectancy-Oriented diagnosis) concept, and the corresponding application papers published maintenance of electrical equipment rose to a new level, the so-called diagnostic technology-based life prediction is based on the the power equipment aging, deterioration of law, and the impact and determinants, to obtain a variety of information through a variety of detection methods (offline or online), after the method of scientific analysis of a comprehensive and integrated analysis, to grasp The device's current status and life expectation. This paper analyzes the mechanism of the vacuum breaker arcing explore the main factors that affect the life of the vacuum breaker electric, pointed out originally as a method to predict the vacuum circuit breaker electrical life breaking current lack improved arcing energy as the main indicators of forecasting methods. The paper further considering the three-phase arcing time, the first phase of unevenness, breaking current indicators of fuzzy comprehensive evaluation method. In order to meet the needs of maintenance on the vacuum circuit breaker status, the request of Guizhou Electric Power Bureau, we have developed a vacuum circuit breaker parameters monitor. Card form on the IPC hardware structure, the structure is simple, reliable, scalable. WindowsNT platform software, Visual C language programming, focused on solving the problem of real-time data sampling and fast data query in the Windows operating system.

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CLC: > Industrial Technology > Electrotechnical > Electrical > Electrical switches,circuit breakers > Breaker > Air circuit breakers, compressed air circuit breaker
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