Open AccessResearch on segmented control of motor operating mechanism for high‐voltage circuit breaker
Author(s) -
Feng Ying,
Wan Haiyong,
Wu Jianwen,
Lan Jian,
Deng Yun
Publication year - 2019
Publication title -
the journal of engineering
Language(s) - English
Resource type - Journals
ISSN - 2051-3305
DOI - 10.1049/joe.2018.8864
Subject(s) - circuit breaker , mechanism (biology) , computer science , process (computing) , control theory (sociology) , voltage , acceleration , displacement (psychology) , control (management) , control engineering , engineering , mechanical engineering , electrical engineering , physics , psychology , classical mechanics , quantum mechanics , artificial intelligence , psychotherapist , operating system
To improve dynamic characteristics of the motor operating mechanism for high‐voltage circuit breaker, the motor drive operating mechanism by a three‐phase permanent‐magnet synchronous motor is studied in this article. After analysing the movement characteristics of the moving contact during the switching process, the movement process is divided into three stages: the starting stage, the constant speed stage, and the buffering stage. Considering the problems of the motor such as large start delay, instability, and strong buffeting in later stage with traditional fixed given displacement strategy, a new control strategy of given segmented displacement is proposed and studied on the simulation platform. The experiment results show that the design of the segmented control is reasonable and effective, not only can improve the dynamic characteristics of the motor, but also can implement the project more easily. So, it provides a theoretical basis for exploring the efficient dynamic control method of the new motor operating mechanism.