By linking the DC relay contactor with power electronic device, the DC hybrid switch apparatus without switching arcing was designed and accomplished.
采用直流开关电器与电力电子器件相结合方式，设计并实现了能够实现无弧通断的直流混合开关电器。
Because advances electrical machinery's control to the ships is realized through the switching of electric power electronic device, massive harmonics is produced then.
由于对船舶推进电机的控制是通过电力电子器件的开关实现，这势必会在船舶电网中产生了大量的谐波。
Working in a 600v DC power supply system, the type ZDB battery charger USES new power electronic insulated-gate bipolar transistors (IGBT) as switching device and adopts PWM control technics.
ZD B型直流电源变换器是工作在直流600v供电系统的变流装置。该装置以新颖电力器件IGBT作为开、关器件并采用PWM控制技术。
Working in a 600v DC power supply system, the type ZDB battery charger USES new power electronic insulated-gate bipolar transistors (IGBT) as switching device and adopts PWM control technics.
ZD B型直流电源变换器是工作在直流600v供电系统的变流装置。该装置以新颖电力器件IGBT作为开、关器件并采用PWM控制技术。
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