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A Reliable and Controllable Motor Actuator without Permanent Magnetic for 40.5kV Vacuum Circuit Breakers
IEEE Transactions on Industry Applications ( IF 4.2 ) Pub Date : 2020-03-01 , DOI: 10.1109/tia.2019.2960214
Jiachuan Lou , Aimin Liu , Siyang Yu

In order to solve the disadvantages of long start-up time and demagnetization of the traditional permanent magnetic (PM) actuators, this article presents a high reliable and controllable novel motor actuator without PM, which includes driving motor and its control circuit. The proposed driving motor is similar to the switched reluctance motor, which has the advantages of small rotational inertia and fast start-up. The difference is that there is an auxiliary coil, which is placed between the two-stator sets, can be energized by controllable direct current to adjust the air-gap flux density and then the output torque of motor and the velocity of movable contact are easier to control. Furthermore, a prototype of the novel motor actuator has been developed according to the analysis and calculation results of the dynamic characteristics of 40.5-kV vacuum circuit breaker (VCB), and which is tested on the platform in conjunction with a 40.5-kV VCB prototype to showcase the success of the proposed motor actuator and its control method.

中文翻译:

一种用于40.5kV真空断路器的可靠可控无永磁电机执行器

为解决传统永磁(PM)执行器启动时间长、消磁的缺点,本文提出了一种高可靠、可控的新型无永磁电机执行器,包括驱动电机及其控制电路。所提出的驱动电机类似于开关磁阻电机,具有转动惯量小、启动快等优点。不同之处在于两定子组之间有一个辅助线圈,可以通过可控直流通电来调节气隙磁通密度,从而更容易调节电机的输出转矩和动触点的速度。控制。此外,根据40的动态特性分析计算结果,研制了新型电机执行器样机。
更新日期:2020-03-01
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