Power unit of high pressure frequency converter

The utility model provides a power unit of high pressure frequency converter, relates to a power unit, and NULL row (2) pass current transformer (1) back and diode (3) are connected, diode (3) and compound female upper portion of arranging (4) are connected, the one end of two direct current row (6) is connected respectively to compound female both sides of arranging (4), compound female sub -unit connection IGBT (7) of arranging (4) are equipped with IGBT absorption capacitors (8) on IGBT (7), the sub -unit connection of IGBT (7) exchanges output and arranges (12), the utility model discloses a with during three -phase?alternating?current conversion two -phase alternating current compacter attached to each the power device design on the radiator among the prior art, make high -voltage inverter realize effective radiating while of each power device, the structure becomes compacter, weight is lighter, has realized that the operation is reliable, maintains more convenient purpose. 种高压变频器功率单元，涉及种功率单元，交流输入排（2）穿过电