Abstract
The motor operating mechanism of high-voltage circuit breakers can improve the reliability and controllability of circuit breaker operation. In order to improve the rationality of motor operating mechanism design, this article first proposes the overall design method of motor operating mechanism, and conducts specific structural design for the 252 kV double break vacuum circuit breaker. Then, based on the requirements for the functionality and stability of the operating mechanism, the applicable range of the opening and closing holding angle was studied, and the equivalent load torque during the opening and closing operation process was further calculated and analyzed. Finally, the multi body dynamics simulation software ADAMS was used to model the operating mechanism, and a system simulation testing circuit was built in conjunction with Matlab/Simulink software to conduct simulation analysis of the opening process. The results indicate that the designed motor operating mechanism scheme meets the various technical requirements of the arc extinguishing chamber for opening the operating mechanism, and verifies the feasibility of the scheme. This design concept and simulation method provide an effective approach for the analysis and application of motor operating mechanisms.
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Zhao, W., Xu, T., Ma, M., Wu, J. (2024). Design and Simulation Analysis of Motor Operating Mechanism of 252kV Double-Break Vacuum Circuit Breaker. In: Yang, Q., Li, Z., Luo, A. (eds) The Proceedings of the 18th Annual Conference of China Electrotechnical Society. ACCES 2023. Lecture Notes in Electrical Engineering, vol 1168. Springer, Singapore. https://doi.org/10.1007/978-981-97-1068-3_27
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DOI: https://doi.org/10.1007/978-981-97-1068-3_27
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