Answer to Question #215132 in Electrical Engineering for Nick

Question

Draw block diagram for Hydro power generation plant. List out merits and demerits of the same

Answer 1

Merit

(i) It requires no fuel as water is used for the generation of electrical energy.

(ii) It requires very small running charges because water is the source of energy which is available free of cost.

(iii) It is quite neat and clean as no smoke or ash is produced.

(iv) It is comparatively simple in construction and requires less maintenance.

(v) It does not require a long starting time like a steam power station.In fact, such plants can be put into service instantly.

Demerits

(i) It involves high capital cost due to construction of dam.

(ii) There is uncertainty about the availability of huge amount of water due to dependence on weather conditions.

(iii) Skilled and experienced hands are required to build the plant.

(iv) It requires high cost of transmission lines as the plant is located in hilly areas which are quite away from the consumers.

Demerits

(i) It involves high capital cost due to construction of dam.

(ii) There is uncertainty about the availability of huge amount of water due to dependence on weather conditions.

(iii) Skilled and experienced hands are required to build the plant.

(iv) It requires high cost of transmission lines as the plant is located in hilly areas which are quite away from the consumers.