论文部分内容阅读
东京营团地铁通过多年的调查研究,最近对已运行20多年的6000系客车进行了更新改造。主要是功率元件用 GTO 晶闸管取代逆导式晶闸管,对斩波器和斩波触发控制装置进行了更新,主控回路实行了改造。
Through years of research, the Tokyo Metro Group Subway has recently renovated and renovated 6000 Series buses that have been operating for more than 20 years. The main power components with GTO thyristors instead of reverse-induced thyristor chopper and chopper trigger control device has been updated, the main control circuit has been transformed.