What do you mean by residual magnetism? illustrate where it, Ask an Expert

Engineering

Q1. When the AVR is defective, if additional loads come on will the generator be capable to take it? describe how do you test, reverse power trip, high current trip and preferential trip?

Q2. What do you mean by residual magnetism? Illustrate where it is important?

Q3. At times, if you change the running direction of an E/R blower (from supply to the exhaust) it trips. describe why?

Q4. Does a current flow via a capacitor?

Q5. Describe the unit for the capacitance?

Q6. What do you mean by neutral?

Q7. Illustrate the difference between the neutral and earth?

Q8. describe why is reverse power protection is needed?

Q9. describe why is this reverse power used rather than reverse current in the alternators?

Q10. Illustrate the meaning of excitation in the alternator?

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Electrical & Electronics, Engineering

Category:- Electrical & Electronics
Reference No.:- M911377

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