Important Questions of Voltage Control:
1. Discuss the importance of voltage control in the modern power system.
2. What are the various methods of voltage control in a power system ?
3. Describe with the aid of neat sketch the construction and working of a Tirril regulator.
4. Explain the construction and working of Brown-Boveri regulator with a neat sketch.
5. Describe the off-load tap changing transformer method of voltage control. What are the limitations of the method ?
6. Explain with a neat sketch :
(i) On-load tap-changing transformer
(ii) Auto-transformer tap-changing
7. What do you understand by induction regulators ? Describe single phase and three phase induction regulators.
8. Describe the synchronous condenser method of voltage control for a transmission line. Illustrate your answer with a vector diagram.
9. Voltage control equipment is generally located at more than one point. Why ?
10. Tap-changing is generally performed on load. Why ?
11. Why do we use overshooting the mark principle in automatic voltage regulators ?