Abstract
The steady and rapid action of contact directly determines the overall performance of high voltage circuit breaker robot in closing and opening process. The current high-voltage circuit breaker robot reveals obvious contact vibration during use. In order to alleviate the ablation of contact due to the electric arc which is caused by the contact vibration, this essay establishes a forced vibration model of damped three degrees of freedom system through citing a new high-voltage circuit breaker, and analyzes the impacts of the mass and equivalent stiffness proportion among static contact, moving contact and support frame on the contact vibration frequency and amplitude by adopting Dunkerly and matrix iteration methods. Through adding vibration measuring instrument in the contact for experimental verification, the results show that appropriate and reasonable optimization of the mass proportion and equivalent stiffness proportion among static contact, moving contact and support frame can effectively reduce the amplitude of the first order of the main vibration mode, thus significantly alleviating the ablation of contact under the premise of effectively ensuring the opening speed to meet the conditions. The study results can remarkably reduce the vibration of high voltage circuit breaker contact, and then improve the overall performance of high voltage circuit breaker robot.
A. Zhu, W. Luo, J. Zhao and D. He — Co-first authors: they contribute equally to this research.
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Zhu, A., Luo, W., Zhao, J., He, D. (2016). Vibration Characteristic Analysis and Optimization of Heavy Load High Voltage Circuit Breaker Contact. In: Zhang, L., Song, X., Wu, Y. (eds) Theory, Methodology, Tools and Applications for Modeling and Simulation of Complex Systems. AsiaSim SCS AutumnSim 2016 2016. Communications in Computer and Information Science, vol 644. Springer, Singapore. https://doi.org/10.1007/978-981-10-2666-9_2
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DOI: https://doi.org/10.1007/978-981-10-2666-9_2
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