Solar photovoltaic (PV) cells and wind mill dependent on climatic change to work and generate electrical energy. Therefore, when these energy sources working alone they are not good power supply. Emerging of solar and wind sources are more valued in electrical energy generation. Such a type of system is called Hybrid system.Thus a hybrid power system of renewable source with grid supply improves the stability of system. With hybrid system there are period of time when neither of sources produce energy. In separate systems energy storage is necessary to overcome this situation and provide energy during such periods.
Power electronic devices such as inverter and others are play very important role in the hybrid power system. The energy which extracted is used to charge batteries. The inverter is interconnected with consumer loads and to the electrical power grid. Hybrid system is the operation of two or more than two sources which utilize to the single load.
Merits of hybrid power system
>>Uninterrupted power can be provided to the customers.
>>No environmental harm will result in hybrid power system.
>>Hybrid system can be accessible to the far away customers at low-cost as compared to the hydraulic energy which are used for residential purposes, which can be reserved in the dams during the dynamic, to be utilized at height.
>>The continuation cost of hybrid generation system is not as much as compare to the usual generation system.
