Power Distribution System

(a) What is a distribution system? What are the different types of load that are connected to this system?

(b) Write short notes on comparisons of series and shunt compensation.

Explain the following-

(c) Circuit Breaker Re-closer

Explain the following-

(b) Fuse-Circuit breaker coordination.

Define the following factor of the Distribution Systems:

(iv) Diversity Factor

Define the following factor of the Distribution Systems:

(iii) Plant Factor

Define the following factor of the Distribution Systems:

(ii) Load Factor 

 Define the following factor of the Distribution Systems:

(i) Demand Factor

(e) How are feeder lines and transformers protected against over voltages or surge?

(d) What are the objectives of distribution protection?

(c) Discuss the principle of operation of circuit breakers.

(b) Distinguish between a feeder, distributor and service mains in a secondary distribution scheme.

(a) Explain the characteristics of residential, industrial, agricultural and commercial loads. 

(b) Explain the principle of operation of fuse

(a) Explain different types of faults that occur in distribution system? Discuss the procedure for fault current calculation in Line to Ground fault. 

(a) Discuss the importance of power factor correction. Name the devices used to improve the power factor. How do you determine the best capacitor location?

(b) What is the importance of % voltage drop in feeder lines? What are the factors that affects% voltage drop. 

(a) Discus the different power quality issues in power system. Explain the various techniques for improving the power quality of power system. 

(b) Explain with neat sketches the radial and ring type distribution system. 

(a) What are the main components of distribution substation? Discuss in detail.

(b) Explain the basic design practices of the secondary distribution system. 

(a) Explain the criterion for location of substation and what are the benefits obtained through optimal location of substation.

(b) What are the merits and demerits of high transmission voltages in 'transmission of power? -

(a) Draw a single line diagram of a power system. Define primary and secondary distribution system.