... perking switch 快动开关 phase switcher 移相开关；移相器；换相器 phase-change switch 换相开关 ...
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... phase control 相位控制 phase converter 换相器 phase converter 相位变换器 ...
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多相并励换相器电动机 polyphase shunt commutator motor
电子换相器 electronic commutator
无换相器 absence of commutator
相位变换器 phase converter ; [电] phase transformer ; [电] phase changer ; phase adapter
移相变换器相位第器 phase shifting transformer
联合变换相关器 joint transform correlator ; JTC
换相电抗器 [电] commutation reactor
换相继电器 phase reversal relay
无刷直流(BLDC)伺服控制，可选的3相换轨取代传统的霍尔效应传感器。
For Brushless DC (BLDC) servo control, optional 3 phase commutation tracks replace the traditional Hall Effect sensors.
本文还从技术及经济角度出发给出了几点电容换相换流器数值选取的建议。
Moreover, several recommendations on the selection of commutated capacitor's size were presented considering the technological and commercial factors.
永磁无刷伺服电机的换相和控制都需要准确的转子位置信息，然而位置传感器有其难以克服的缺点。
The exact rotor position is required while a permanent magnet brushless servo motor (PMBSM) is under commutation and control. Howere, position sensors have some fatal defects.
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