There are three types of DC motors: Series, Shunt, and Compound. They are similar in the components they have, but dissimilar in the way the field coils are connected...
Electrical equipment requires periodic maintenance to continue to operate as designed, and it is well understood that this maintenance saves money in the long run...
Designing electrical equipment to withstand potential arc flash energy levels is a highly complex task governed by either IEC or UL/ANSI/NEMA standards...
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