The invention discloses a self-checking device and method for a three-phase capacitor of a vehicle-mounted auxiliary converter, and the device comprises a current detection unit which is used for measuring the two-phase output current of the auxiliary converter; and the data acquisition unit is used for acquiring the starting instruction of the auxiliary converter, the state of the auxiliary load contactor and the two-phase output current of the auxiliary converter in real time. The invention provides a self-checking device and a self-checking method for a three-phase capacitor of a vehicle-mounted auxiliary converter, which can realize the automatic detection of the health state of the capacitance value of the three-phase capacitor, automatically and quickly isolate the auxiliary converter where an abnormal three-phase capacitor is located, prevent the abnormal three-phase capacitor from being put into work, and are safe, stable and reliable.
本发明公开了一种车载辅助变流器三相电容器自检装置及自检方法,所述车载辅助变流器三相电容器自检装置包括:电流检测单元,所述电流检测单元用于测量辅助变流器两相输出电流;数据采集单元,所述数据采集单元用于实时采集辅助变流器的启动指令、辅助负载接触器状态以及辅助变流器两相输出电流。本发明提供一种车载辅助变流器三相电容器自检装置及自检方法,可以实现三相电容器容值健康状态自动检测,自动快速隔离异常三相电容器所在的辅助变流器,避免异常三相电容器投入工作,安全稳定可靠。
Self-checking device and self-checking method for three-phase capacitor of vehicle-mounted auxiliary converter
一种车载辅助变流器三相电容器自检装置及自检方法
2023-02-28
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
Low-voltage interlocking self-checking loop, self-checking method and vehicle
European Patent Office | 2023
|Vehicle-mounted power supply system, self-checking method thereof and vehicle
European Patent Office | 2023
|European Patent Office | 2023
|NTRS | 1986
|REARWARD VISIBILITY CHECKING DEVICE, VEHICLE MOUNTED THEREWITH
European Patent Office | 2015
|