介绍了日本电动车从电网上获取电源，经逆变器处理成为适合于空调机组的电源，以及铁道车辆空调用微机进行自动化控制的方式和内容。由于采用逆变器技术和微机控制技术不仅减小了电源装置的重量和体积，而且为空调机组的自动化创造了条件。文章还介绍了电子技术在车辆空调控制系统的应用实例。 Introduced the Japanese electric vehicles to obtain power from the grid, the inverter processing to become suitable for air conditioning unit power supply, as well as the railway vehicle air conditioning microcomputer for automatic control of the way and content. As the use of inverter technology and microcomputer control technology not only reduces the weight and size of the power supply unit, but also for the air conditioning unit to create the conditions for automation. The article also introduced the application of electronic technology in vehicle air conditioning control system.