What is electrical shock? Distinguish between primary shock and secondary shock.
[7 marks]Explain the seven principles of safety management in electrical plants.
[7 marks]Explain the working principle of megger with necessary figure and Procedure of its use.
[7 marks]Describe the test set-up and test procedure of switching (Lightning) impulse test with necessary figure.
[7 marks]Write IEEE recommended practice for monitoring Electric Power Quality.
[7 marks]Write any seven causes of disturbance in power quality examine their effect on power quality and write remedies for each disturbance of electric power supply.
[7 marks]Describe the second characteristic numeral in the standard designation of cooling system.
[7 marks]State the checks to be carried out at site prior to commissioning of electric motors.
[7 marks]What is synchronizing of a synchronous generator with busbars? What are the required conditions for instant of synchronizing?
[7 marks]Describe the connections between Generator, Main Transformer and Auxiliary Transformer for unit connection in a typical power plant.
[7 marks]Explain the procedure of drying out of electric motor using the (1) radiating lamp (2) drying chambers and resistor heaters.
[7 marks]State the merits of Back to Back HVDC coupling Station. Describe a typical Layout of Back to Back HVDC Coupling Station.
[7 marks]What is load shedding? Why is it necessary? How is it carried out and where?
[7 marks]Explain the sequence of tripping the main circuit breaker, unit auxiliary circuit breaker and field circuit breaker in the generating unit scheme.
[7 marks]Define briefly the following terms in power cable: 1. operating capacitance 2. b) charging currents 3. reactive power 4. leakage currents 5. continuous current carrying capacity 6. inductance 7. effective d.c. resistance.
[7 marks]Explain the principle and function of VT and Capacitor Voltage Transformer (CVT).
[7 marks]What is the difference between shunt compensation and series compensation?
[7 marks]