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Hopkinson’s test for D.C. motors is conducted of:

Hopkinson’s test for D.C. motors is conducted of: Correct Answer Full Load

  • Hopkinson’s test is used for the testing the efficiency of a DC machine
  • It is a full load test and it requires two identical machines which are coupled to each other
  • One of these two machines is operated as a generator to supply the mechanical power to the motor and the other is operated as a motor to drive the generator
  • Hopkinson’s test is also called back-to-back test or regenerative test

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Hopkinson's test on D.C. machines is conducted at