Present paper introduces several electric control devices for squirrel-cage and slip-ring motors with reference to electric control technique of imported belt conveyors.
本文结合消化引进的带式输送机电控技术，介绍笼型和绕线型电动机的几种电控设备。
In the balance design, even distributed mass is required, special slip ring is taken to get electric signal and fixed mount is used at balance rear end to eliminate vibration.
天平设计要保证质量分布均匀，采用特制滑环引出电信号，并且天平后端用支架支撑以减小振动。
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