Electrical Engineering · DC Machines
On inspection, the commutator of a DC generator was found to be badly worn out and rough. If sandpapering is ineffective, what is the best corrective action?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Replace the complete armature assembly
- 2Replace the entire commutator structure immediately
- 3Clean the commutator with carbon tetrachloride (CTC)
- 4Turn the commutator on a lathe machine✓
Correct answer
Turn the commutator on a lathe machine
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