CW型长轨车用车载电源采用补偿式稳压技术，用于解决长轨列车车载发电机组在用电高峰时期输出电压波动的问题，避免了生产及生活电器因电压波动造成的损坏。

The on-board power supply for the CW type long-rail vehicle adopts a compensation-type voltage stabilization technology to solve the problem of output voltage fluctuation during the peak period of power consumption for long-rail trains' on-vehicle generator sets, avoiding damage caused by voltage fluctuations in production and living appliances.