Duty Welding
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Is it possible to determine the Power Factor of a welding machine given the specs below?
Power Supply - 220V +/- 10%
Frequency - 50Hz/60z
Phase - Single
Rated Input - 20 KVA
Open Circuit Voltage - 70
Amperage Range - 55-300
Rated Duty Cycle - 35%
Rated Welding Current - 300
Not possible to determine, since the line output voltage may drop considerably below 70 volts when welding, versus the 70 volts open circuit.
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