Question 532Electricity & Electronics - QMED

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As shown in the illustrated DC machine which is configured as a generator, what type of machine is illustrated in terms of the configuration of the windings? Illustration EL-0052

Diagram for USCG Electrical QMED: As shown in the illustrated DC machine which is configured as a generator, what...
Aseries wound
Bcumulatively compound wound
Cdifferentially compound wound
Dshunt wound
AI Explanation

The correct answer is D) shunt wound. The illustration EL-0052 shows a DC machine configured as a generator, which has the field windings connected in parallel (shunt) with the armature windings. This configuration is characteristic of a shunt wound DC machine, where the field windings are supplied with a separate current path from the armature. The other options are incorrect because: A) a series wound machine has the field windings connected in series with the armature, B) a cumulatively compound wound machine has both series and shunt field windings, and C) a differentially compound wound machine has series and shunt field windings connected to oppose each other.

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Official Resources
46 CFR Electrical Engineering 46 CFR Machinery & Electrical USCG National Maritime Center
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