Power conversion device including primary inverter, transformer, secondary converter

A power conversion device comprising:

• first and second terminals connected to a DC power source;
• third and fourth terminals connected to a commercial power system or a load;
• a transformer including a primary winding having seventh and eighth terminals and a secondary winding having fifth and sixth terminals;
• an inverter circuit connected between the first and second terminals and the seventh and eighth terminals;
• a converter circuit connected between the fifth and sixth terminals and the third and fourth terminals;
• a diode bridge including first and second AC input terminals and first and second DC output terminals, the first AC input terminal being connected to the fifth terminal, the second AC input terminal being connected to the sixth terminal;
• a first capacitor connected between the first and second DC output terminals;
• and
• a first resistor connected in parallel with the first capacitor between the first and second DC output terminals.