Abstract: Based on the railway industry standard and the design experience of the signal power supply in recent years, this paper summarizes and analyzes the types of the current standard power supply of the railway signal power supply output circuit, and designs a safety test platform which can meet the need of loading the power supply system equipments simultaneously during the production and commissioning of power supply system equipments at the current largest domestic station & yard by applying Ohm's law and the principle of series and parallel circuits, so as to strengthen the generality of commissioning load of power supply system equipments.

Key words: railway signal power supply system equipments, commissioning, load

摘要： 结合铁道行业标准及近几年来信号电源的设计经验，对现有制式的铁路信号电源输出回路电源种类进行归纳分析，运用欧姆定律及串并联电路原理，设计能够满足目前国内最大站场铁路信号电源系统设备生产调试过程中，同时加载需要的安全测试平台调试负载系统，增强铁路信号电源系统调试负载的通用性。

关键词: 铁路信号电源系统设备, 调试, 负载