High -pressure freewheeling diode of utmost point soft recovery characteristic

The utility model discloses a high -pressure freewheeling diode of utmost point soft recovery characteristic, including high -pressure freewheeling diode body and high -pressure freewheeling diode diagnosis controlling means, the anode plate sets up the upper end at the negative plate, the inboard fixed connection of protection ring and passivation layer, the passivation layer is connected with the anode plate, LEM current sensor is through establishing ties and high -pressure freewheeling diode electric connection, high pressure freewheeling diode is through parallelly connected and MOS transistor electric connection, grid and the drain electrode of parallel connection to the MOS transistor is passed through at the both ends of condenser, grid and the source electrode of parallel connection to the MOS transistor is passed through at the both ends of resistor. The utility model discloses a high pressure freewheeling diode and LEM current sensor series connection can be used for the double -phase and double -p