The power factor correction (PFC) and half-bridge inverter circuit topology are commonly used in modern high power factor electronic ballasts.
现代高功率因数电子镇流器结构中普遍采用功率因数校正（PFC）和半桥逆变谐振电路拓扑。
Power electronics including power electronics, inverter circuit and control circuit of three parts, which is the basis for power electronic devices, power electronics converter technology is the core.
电力电子技术包括电力电子器件，变流电路和控制电路三个部分，其中电力电子器件是基础，变流技术是电力电子的核心。
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