Online Monitoring Method for Opening and Closing Time of 10 kV Spring Energy Storage Circuit Breaker Based on Transient Electrical Signal Characteristic Point Marking and Self-Calibration

Among all circuit breaker faults, mechanical failures account for a considerable proportion, and online monitoring of their mechanical characteristics is of great practical significance. The opening and closing time is a very important feature of the mechanical characteristics of the circuit breaker...

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Published inEnergies (Basel) Vol. 17; no. 24; p. 6436
Main Authors Weng, Liting, Xiao, Jiangtao, Zhang, Zhaochuang, Wang, Jingang, Wen, Yuchuan, Zhang, Fan, Zhang, Xingyu, Ma, Lingyi, Zhao, Pengcheng
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.12.2024
Subjects
Calibration
circuit breaker
Electric circuit-breakers
Electric fault location
Energy management systems
Energy storage
Methods
online monitoring
opening and closing time
self-calibration
Sensors
China
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Abstract Among all circuit breaker faults, mechanical failures account for a considerable proportion, and online monitoring of their mechanical characteristics is of great practical significance. The opening and closing time is a very important feature of the mechanical characteristics of the circuit breaker. Online monitoring of the opening and closing time of the circuit breaker has always been the focus and difficulty of the intelligent technology of switchgear. In this paper, for a 10 kV spring energy storage vacuum circuit breaker, transient voltage and current signals are innovatively used to calibrate the opening time, breaking time, and closing time, and an online monitoring method for the opening and closing time of a vacuum circuit breaker based on transient electrical signals is proposed. An online monitoring platform was built and a multi-group closing test was carried out to simulate the power plant environment. The opening and closing time samples of a spring energy storage vacuum circuit breaker were measured and compared with the measurement results of the mechanical properties tester. The comparison results show that this method has good stability, and the calculation error is controlled within 1% after self-calibration, which provides a new idea for the online monitoring research of the mechanical characteristics of spring energy storage vacuum circuit breakers.
AbstractList Among all circuit breaker faults, mechanical failures account for a considerable proportion, and online monitoring of their mechanical characteristics is of great practical significance. The opening and closing time is a very important feature of the mechanical characteristics of the circuit breaker. Online monitoring of the opening and closing time of the circuit breaker has always been the focus and difficulty of the intelligent technology of switchgear. In this paper, for a 10 kV spring energy storage vacuum circuit breaker, transient voltage and current signals are innovatively used to calibrate the opening time, breaking time, and closing time, and an online monitoring method for the opening and closing time of a vacuum circuit breaker based on transient electrical signals is proposed. An online monitoring platform was built and a multi-group closing test was carried out to simulate the power plant environment. The opening and closing time samples of a spring energy storage vacuum circuit breaker were measured and compared with the measurement results of the mechanical properties tester. The comparison results show that this method has good stability, and the calculation error is controlled within 1% after self-calibration, which provides a new idea for the online monitoring research of the mechanical characteristics of spring energy storage vacuum circuit breakers.
Audience Academic
Author Xiao, Jiangtao
Wang, Jingang
Zhang, Zhaochuang
Ma, Lingyi
Wen, Yuchuan
Weng, Liting
Zhang, Xingyu
Zhang, Fan
Zhao, Pengcheng
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StartPage 6436
SubjectTerms Calibration
circuit breaker
Electric circuit-breakers
Electric fault location
Energy management systems
Energy storage
Methods
online monitoring
opening and closing time
self-calibration
Sensors
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Title Online Monitoring Method for Opening and Closing Time of 10 kV Spring Energy Storage Circuit Breaker Based on Transient Electrical Signal Characteristic Point Marking and Self-Calibration
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