Surge tank in Hydroelectric Power Plant
Surge Tank is a small reservoir in which is open at the top, It built before the valve house.
function of Surge tank in Hydroelectric Power Plant
- In case of sudden closing of the fixed gates of the water turbine, due to heavy load being thrown off suddenly the surge tank absorbs the water hammer, by increase its level of water.
- When load on the turbine increases, the additional water is drawn from the surge tank to meet the increased load and act as a reservoir during increases of load on the turbine
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