同一电路不同电压等级直流供电系统中的短路保护实现

Applied of short-circuit protection for the same circuit different voltage in the DC supply system

针对同一电路不同电压等级直流供电系统,以ATMEGA8L单片机为核心,铅酸蓄电池为对象,提出了用软件实现不同电压等级的直流供电系统中短路保护的方法。解决了在电源电压变化大的低压直流供电系统中选择短路保护器件难题。

A method for realizing the short-circuit protection of DC power supply system with software is presented. The running result indicates that the function of the short-circuit protection is quick, dependable and simple, and can completely replace the normal hardware of protection device. The method has also solved the problem of choosing the device of the short-circuit protection for low-voltage DC supply system which is highly waving.