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Normally the test voltage applied in HV test of stator winding of three-phase IM is
1000 V + twice the rated voltage with a minimum of 1 500 V
1000 V + twice the open circuit standstill voltage as measured between slip rings or secondary terminals
1000 V + four times the open circuit standstill secondary voltage
All of these
1000 V + twice the rated voltage with a minimum of 1 500 V
Quick Summary: Practice and solve "Normally the test voltage applied in HV test of stator winding of three-phase IM is..." for Electrical - Economics for Engineers. The correct answer is Option A: 1000 V + twice the rated voltage with a minimum of 1 500 V. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(a) **