A Malfunction Example of DC Power Supply of the Power Source System in a Certain Type of Equipment

摘要

A certain type of equipment including DC and AC two power supply ways, DC power supply is vital when there is no AC power. In this paper, a malfunction which is encountered in the process of DC power supply for such type of equipment is analyzed and excluded, from the analysis of such malfunction, we can see the relay is used more in the process of DC power supply, is an important component, and is easily to break down, is the key point for us to exclude the malfunction.