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1)  describe what is Per unit?

2) Specify what are the approximations formed in the Impedance Diagram

3) describe what is meant by the infinite bus?

4) Specify the quantities which are linked with the each bus within the system?

5) prepare down the relative frequency of the occurrence of several faults?

6) Sketch the zero sequence network of the delta/delta transformer.

7) Specify the fault where the positive, negative and zero sequence component currents are equal.

8) State any two methods of decreasing the short circuit current.

9) What do you meant by the stability?

10) Determine the frequency of the oscillation for synchronous coefficient of 0.6, inertia constant, H =4 and system frequency of 50 Hz.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M913287

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