Fossil fuels, water and radioactive substances
The commercial sources of energy are Fossil fuels, water and radioactive substances.
Wind power plants is the least reliable.
Tidal power methods of generating electric power from the sea water is more advantageous.
Nuclear power plants
A hydroelectric power station is commonly found in Hilly areas.
Operating cost is low and initial cost is high
In hydroelectric power plants Operating cost is low and initial cost is high.
The operating cost of hydroelectric power station is low
The advantage of hydroelectric power station over thermal power station is The operating cost of hydroelectric power station is low.
The dam and the turbine in a hydro station
A penstock is used as a conduit between The dam and the turbine in a hydro power plant.
High head hydro Power Plant
The term ?Surge Tank? is associated with High head hydro Power Plant.
Location of a surge tank, in an hydroelectric power station, is near Turbine.
Relive water hammer pressures in the penstock pipe
The function of a surge tank is to Relive water hammer pressures in the penstock pipe.
in hydro power plant Water hammer occurs in Surge tank.
Control the pressure variations in the penstock pipes due to sudden load changes
In between the penstock and the runner
Increase the acting head on the water wheel