DF_4型机车辅助发电转固定发电产生过电压的原因分析及措施探讨

Reason analysis and countermeasures of overvoltage produced when changing auxiliary generating into fixed one for DF_4 locomotive

介绍了DF4型机车辅助发电电压过高自动转到固定发电的工作过程,分析了辅助发电转固定发电期间过高电压产生的原因,提出了改进措施及改进电路设计方案。应用改进电路后有效避免了过高电压,效果较好。

The reason of overvoltage produced when changing auxiliary generating into fixed one for DF4 locomotive was analysed.The improvement measures were proposed and the scheme for improving circuit was given.Application of improved circuit is successful.