If the storage of the medium is Battery, the solar system is called Off-Grid System Hybrid system On-grid system None of these
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on grid system
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If the storage of the medium is the battery, the solar system is called an off-grid system
- The solar electric power systems irrespective of their types, envisages the same working principle at the basic level.
- The solar panels employed in the solar electric power systems first convert the received solar energy into DC electrical power through the photovoltaic solar cells.
- The phenomenon that solar electric power systems employ is known as the photovoltaic effect.
- The DC power that the solar cells generate finds its application in two ways.
- Either the generated DC power is stored in a battery or it is converted into AC power with the help of a solar inverter.
- The AC power from the solar inverter can be used to run electrical appliances.
- The stand-alone power system (SAPS) which employs only storage batteries and solar inverters, and is not connected to any grid network or power system is called Off-Grid Power System.
- The excess electrical energy that is generated from solar energy can also be fed into the electricity grid with the help of grid-tie inverters. This solar power system is called the on-grid or the grid-tie or the grid-feed solar system.
- The grid-tie inverters or the grid-interactive inverters are called the synchronous inverters, as they synchronize the phase and frequency of the parameters to fit that of the utility grid.
- The combination of the grid-connected solar system with battery storage is termed the hybrid solar power system.
- Thus when there is only the battery as the storage medium of the generated electric power, the solar system is called an off-grid system.
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