06EEL67 - DC Machine and Synchronous Machines Lab Regulation 2006 - 2007 |
1. Load characteristics of a D.C. shunt and compound generator. Compound generator.
(i) Short shunt-Cumulative and Differential
(ii) Long shunt-Cumulative and Differential.
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2. Load test on a DC motor- determination of speed-torque and HPefficiency
characteristics.
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3. Swinburne’s Test.
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4. Hopkinson’s Test.
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5. Fields test on series motors.
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6. Retardation test- electrical braking method
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7. Speed control of DC motor by armature voltage control and flux control.
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8. Ward Leonard method of speed control of D.C. motor.
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9. Voltage regulation of an alternator by EMF and MMF method.
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10. Voltage regulation of an alternator by ZPF method.
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11. Slip test.
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12. Performance of synchronous generator connected to infinite bus, under
constant power and variable excitation & vice - versa.
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13. V and Inverted V curves of a synchronous motor.
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