The application discloses an automatic double-
pulse test system and a test method, which comprise an upper computer unit, a controller unit, a
capacitor charging and discharging circuit unit, a load
inductor unit, an IGBT
power unit and an
oscilloscope unit; the upper computer unit is interconnected with the controller unit; the controller unit is interconnected with the IGBT
power unit; the control end of the controller unit is connected with the input end of the
capacitor charging and discharging circuit unit and the load
inductor unit; and the output end of the load
inductor unit, the
capacitor charging and discharging circuit unit and the
oscilloscope unit is connected with the IGBT
power unit. The whole operation process can be realized through the upper computer. The controller realizes full-
automatic control and
electrical isolation of the whole double-
pulse test circuit, effectively guarantees test safety, the turn-on and turn-off resistance of the IGBT drive can be adjusted on line, operation is convenient, and
test efficiency is greatly improved. The automatic double-
pulse test system can meet most IGBT double-pulse test scenes, and can directly test the IGBT
power module and the capacitor module by quickly connecting the modules with the
system.