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By means of computer control, the speed control system can control the resistance of the motor without any contact, so to realize soft starting and speed control over the wound rotor motor. 這種調(diào)速系統(tǒng)採(cǎi)用計(jì)算機(jī)控制，可無觸點(diǎn)地調(diào)節(jié)轉(zhuǎn)子的電阻來實(shí)現(xiàn)轉(zhuǎn)子繞線式電動(dòng)機(jī)軟啓動(dòng)及調(diào)速。