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Simulated test device and method for opening/closing of circuit breaker

A technology of action simulation and test equipment, which is applied in the electrical field, can solve the problems that the remaining life of the circuit breaker cannot be predicted, and the actual operating state of the circuit breaker cannot be accurately judged, so as to reduce the mechanical failure rate and ensure the accuracy.

Active Publication Date: 2017-05-31
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a circuit breaker opening and closing action simulation test device and test method, which are used to solve the problem that the actual operating state of the circuit breaker cannot be accurately judged in the prior art method for judging the operation of the circuit breaker , and the problem of not being able to predict the remaining life of the circuit breaker

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  • Simulated test device and method for opening/closing of circuit breaker
  • Simulated test device and method for opening/closing of circuit breaker
  • Simulated test device and method for opening/closing of circuit breaker

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Embodiment Construction

[0033] In order to further illustrate the circuit breaker opening and closing action simulation test device and test method provided by the embodiments of the present invention, the following detailed description is given in conjunction with the accompanying drawings.

[0034] see figure 1 , The circuit breaker opening and closing action simulation test device provided by the embodiment of the present invention includes: an opening and closing action simulation unit 1, a triggering unit 2, a coil voltage control unit 3 connected to the triggering unit 2, and an opening and closing action simulation unit 1 is connected to the data acquisition unit 4 that is connected to the trigger unit 2, and the data acquisition unit 4 is also connected to the coil voltage control unit 3; wherein, the opening and closing action simulation unit 1 is used to simulate the opening state and the closing state of the circuit breaker; The triggering unit 2 is used to trigger the opening and closing ...

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Abstract

The invention discloses a simulated test device and method for opening / closing of a circuit breaker, relates to the field of electrical technology, and aims at solving the problems that a breaker operation state determination method in the prior art cannot be used to determine the practical operation state of the circuit breaker accurately or predict the residual life of the circuit breaker. The simulated test device comprises an opening / closing simulation unit for simulating the operation state of the circuit breaker, a trigger unit triggers the opening / closing simulation unit to switching among different states according to a triggering voltage signal, a coil voltage control unit providing the triggering voltage signal, and a data collection unit which collects simulation state, current and triggering voltage signals, and stores and analyzes the signals to form a database. The simulated test device for opening / closing of the circuit breaker is used to simulate operation of the circuit breaker.

Description

technical field [0001] The invention relates to the field of electrical technology, in particular to a circuit breaker opening and closing action simulation test device and a test method. Background technique [0002] The circuit breaker, also known as the high-voltage switch, has the function of cutting off or closing the no-load current and load current in the high-voltage circuit. The circuit breaker is widely used in the power system with its perfect arc extinguishing structure and sufficient current breaking capacity, and has a high impact on the power supply. The system plays the role of bearing, control and protection; therefore, it is very important to monitor the operating status of the circuit breaker in order to detect, diagnose and resolve various circuit breaker faults in time, which is of great significance to ensure the safe and stable operation of the power system. [0003] Through research, it is found that the current characteristics corresponding to the op...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/327
CPCG01R31/3272Y02E60/00
Inventor 彭在兴王颂刘芹袁耀金虎李锐海
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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