Power System

Generation of electrical energy

• The conversion of energy available in different form in nature into electrical energy is known as generation of electrical energy.

Sources of Energy    

1. The Sun
2. The Wind 
3. Water
4. Fuels
5. Nuclear energy                  

1. What is power triangle?
2. What is "PU" in electrical engineering?
3. What is thermal breakdown of cables?
4. State the methods of improving power factor?
5. Why is string efficiency for a DC system 100%?
6. Why AC systems are preferred over DC systems?
7. Mention the disadvantages of low power factor? How can it be improved?
8. What is the fundamental basis for the selection of conductor size for a feeder?
9. Where should the synchronous condenser be installed in the distribution system?
10. Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.