Solar power generation is divided into solar thermal power generation and photovoltaic power generation. The commonly said solar power generation refers to solar photovoltaic power generation, referred to as “photovoltaic”. Photovoltaic power generation is a technology that directly converts light energy into electrical energy by using the photovoltaic effect at the semiconductor interface. The key element of this technology is the solar cell. After the solar cells are connected in series, they are packaged and protected to form a large-area solar cell module, and then combined with power controllers and other components to form a photovoltaic power generation device.

What are some common types of solar PV
What are some common types of solar PV

System classification of solar photovoltaics:

Photovoltaic power generation systems are grid-connected or utility-interactive systems.

Independent photovoltaic power stations include village power supply systems in remote areas, solar household power supply systems, communication signal power supplies, cathodic protection, solar street lights and other photovoltaic power generation systems with batteries that can operate independently.

A grid-connected photovoltaic power generation system is a photovoltaic power generation system that is connected to the grid and transmits electricity to the grid. It can be divided into grid-connected power generation systems with batteries and without batteries. The grid-connected power generation system with batteries has dispatch-ability, can be merged into or out of the grid as needed, and has the function of backup power supply, which can provide emergency power supply when the grid is out for any reason. Photovoltaic grid-connected power generation systems with batteries are often installed in residential buildings; Grid-connected power generation systems without batteries do not have the functions of dispatch-ability and backup power, and are installed on larger systems.

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