一、前言智能化数字广播系统的建设,使得省级广播电台播控中心对防雷的要求也越来越迫切。由于雷电在电源线、信号线、天馈线等上感应的瞬间过电压造成的危害时有发生,必须采取适当措施以保护设备安全,保证党的宣传机器正常运转。 I. INTRODUCTION The construction of intelligent digital broadcasting system has made the request of lightning protection of provincial radio and TV broadcast control center more and more urgent. Due to the lightning surge in the power line, signal lines, antenna and so on the transient induction of over-voltage hazards have occurred, we must take appropriate measures to protect the safety of equipment to ensure the normal operation of the Party’s propaganda machine.