电气技师维护，测试，重建和修复电动机，变压器，开关柜及其他电器设备。
Electrical mechanics maintain, test, rebuild and repair electric motors, transformers, switchgear and other electrical apparatus.
主要研究适用于高开关频率变频器驱动的感应电动机数学模型。
Inductive motor mathematics model suitable for high switching frequency inverter drive is described in this paper.
开关磁阻电机是由功率开关电路、双凸极磁阻电机及控制器构成的新型调速电动机系统。
The switched reluctance drive is a new variable-speed motor system which consists of power electronically-switched circuits, doubly salient reluctance motor and controller.
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