Electrical Machine-I Lab

  1. Starting of dc motors/ study of 3 point and four point starters.
  2. Speed control of DC shunt motor.
  3. Magnetization characteristics of a separately excited dc generator.
  4. Load test on DC shunt motor
  5. External characteristics of a separately excited DC generator.
  6. Load test on DC series motors.
  7. Separation of losses in DC machine using Swinburne’s test.
  8. Open circuit and short circuit test on Single-Phase  transformer.
  9. Sumpner’s test on transformer.
  10. Parallel operation of Three-Phase  transformer.
  11. Polarity test and parallel operation of single phase transformer.
  12. Study of Speed control of a dc series motor.
  13. Retardation test on dc shunt motor.
  14. Three phase transformer winding connections.
  15. Scott connection and verification.
  16. Auto transformer connection and verification.
  17. To study load test on single phase transformer and determine efficiency and voltage regulation of a single phase transformer.

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