铁道客车DC 600 V供电系统短路分级保护试验研究

Test Research on Classified Short-circuit Protection of DC 600V Power Supply System for Railway Passenger Cars

介绍了铁道客车DC 600 V供电系统的电路拓扑,针对铁道客车DC 600 V供电系统熔断器、断路器之间的保护器件的短路分级保护进行了试验分析,对客室电热的保护器件方案进行了试验对比,并根据试验结果对铁道客车DC 600 V供电系统保护器件的选择提出了合理化建议。

This paper introduces the circuit topology of DC 600 V power supply system for railway passenger cars,makes a test analysis on classified short-circuit protection of protective devices between fuses and circuit breakers in DC 600 V power supply system,and compares the schemes of electric heating protective devices in passenger compartment.Based on test results,this paper puts forward reasonable suggestions on the selection of protective devices in DC 600 V power supply system of railway passenger cars.