Rated voltage 200-600 volts;
The common inlet voltage of energy storage capacitor of electric welding machine is 475VDC.
Calculation formula of leakage current of energy storage capacitor: after being applied for 5 minutes at 0.02*C*V (UA)20 degrees, take the value {unit C= capacitor UF, V = rated voltage V} Fast charging and discharging performance of energy storage capacitor at 40 degrees: after being applied with rated voltage at 40 degrees Celsius, it can be charged for 0.8 seconds and discharged 1 second, which meets the requirements.
Tangent of loss angle of energy storage capacitor: 175% below rated value.
Leakage current of energy storage capacitor: 150% lower than the rated specification value.
Service life of energy storage capacitor: about 5 million times. Implementation standard of energy storage capacitor: JIS C 5 10 1-4.