For Brushless DC (BLDC) servo control, optional 3 phase commutation tracks replace the traditional Hall Effect sensors.
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。
The electrified railway is a fluctuating high- power single- phase commutation load, which may threat power sys-tem security operation.
电力机车为波动性很大的大功率单相整流负荷，可能威胁电力系统的安全运行。
However some problems such as torque ripple increasing and average torque descending can be caused by phase commutation of the motor and may get even worse with the speed increasing.
永磁无刷直流电机具有结构简单、转矩大等显著优点，然而电机的换相过程会引起转矩波动增大、平均转矩下降等许多问题，随着电机速度的增加，这些问题会变得更为突出。
The inverter uses opetimal phase angle control scheme to suppress the surge voltage during the commutation of current.
为了抑制电流换相期间的浪涌电压，逆变器采用最佳相角控制。
To set up a sync point coincide with a natural commutation point in OTC products, and will be able to improve reliability and stability of the phase shifting trigger and output of the power source.
OTC有关产品把同步点设计在自然换相点上，使同步移相触发和电源输出更趋稳定可靠。
The torque ripple caused by diode freewheeling of the inactive phase during non-commutation state of PM brushless DC motor(BLDCM)when using the PWM_ON type of pulse width modulation was analyzed.
分析了传统的PWM_ON调制方式对无刷直流电动机在非换相期间由于截止相的反并联二极管续流而导致转矩脉动的原因。
The modified types will not be equipped with commutation transformer and the three-phase alternating current power supply directly acquires DC voltage through bridge type rectifier.
改进型不配整流变压器，将三相交流电源直接由桥式整流获得直流电压。
The three phase half-wave controlled rectifying circuit is taken as the example in this paper to inllustrate the commutation overlap probelm.
电压型变频器直流环节并入电容对整流电路的输出进行滤波，理论上电容值越大，电压纹波越小，但是从空间和成本上考虑并不能如此。
The three phase half-wave controlled rectifying circuit is taken as the example in this paper to inllustrate the commutation overlap probelm.
电压型变频器直流环节并入电容对整流电路的输出进行滤波，理论上电容值越大，电压纹波越小，但是从空间和成本上考虑并不能如此。
应用推荐