Question: Department of Electrical Engineering Laboratory Manual for Electrical Machines QUESTIONS AND PROBLEMS: 1. What useful information is obtained from the short-circuit test? 2. What

Department of Electrical Engineering Laboratory Manual for Electrical Machines QUESTIONS AND PROBLEMS:

Department of Electrical Engineering Laboratory Manual for Electrical Machines QUESTIONS AND PROBLEMS: 1. What useful information is obtained from the short-circuit test? 2. What useful information is obtained from the open-circuit test? 3. What are the two components of the core loss? 4. How do the copper losses vary with load? Explain fully. 5. Explain why the core losses are unaffected by the load. 6. How can the equivalent impedance of a transformer be determined?

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