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An induction motor when started on load, it does not accelerate up to full speed but runs at 1/7th of the rated speed. The motor is said to be _________(a) Locking(b) Plumming(c) Crawling(d) CoggingThe question was asked in final exam.Origin of the question is Induction Motor as a Transformer topic in section Induction Machines of Electrical Machines

Answer»

The correct ANSWER is (c) Crawling

Best explanation: Running STABLY at low speed AROUND 1/7th of normal motor speed is KNOWN as crawling.



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