数字控制通讯电源高压防护研究

Research on the High Voltage Protection Strategy of Digital Telecom Power

介绍了一种数字控制通讯电源高压防护电路及其控制方法。数字信号控制器通过检测交流输入电压和PFC输出电压状况做出智能判断,控制高压防护电路中主继电器和辅助继电器的断开和吸合状态,从而对实现通讯电源快速有效的高压防护,提高了通信电源的可靠性。

This paper introduces the high voltage protection circuit and strategy of digital telecom power. The digital signal controller detect the AC input voltage and output voltage of PFC to make intelligent judgment, and control operating state of the main relay and the auxiliary relay in high voltage protection circuit. The circuit and strategy realizes the fast effective high voltage protection and improves the reliability of digital telecom power.