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Testing of d.c.Machines:Merits of Hopkinson’s Test

Posted on June 2, 2015 by ahmed farahat Leave a comment

Merits of Hopkinson’s Test 1. Power required for the test is small as compared to the full-load powers of the two machines. 2. As machines are being tested under full-load conditions, the temperature rise and the commutation qualities of the machines can be observed. 3. Because of full-load conditions, any change in iron loss due […]
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