How do you calculate duty cycle for DC?

How do you calculate duty cycle for DC?

Duty cycle for all RWMA equipment is designed to operate at a maximum 50% duty cycle. For each new resistance welding application one must confirm this value will not be exceeded.
The AC and DC duty cycle calculations can be found in another article:

WHAT IS DUTY CYCLE?

Power calculations can be found in the article:

HOW MUCH POWER IS USED RESISTANCE WELDING ON A 150 KVA WELDER?

Reference: RWMA – Resistance Welding Manual Section 19.3

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