What is a Solar Photovoltaic PV Power System?
Solar photovoltaic power generation system, also known as solar cell power generation system, is a power generation system that converts solar radiation energy into electrical energy through solar cells.
When there is solar radiation, the solar cell array provides energy to the load; when there is no solar radiation or the energy provided by the solar cell array is not enough, the battery provides energy to the system load.
Photovoltaic power generation system has the following characteristics
(1) No rotating parts, no noise.
(2) No air pollution and no waste water emission.
(3) No combustion process, no fuel required.
(4) Simple maintenance and low maintenance cost.
(5) Reliable operation and good stability.
(6) Long service life of solar cell as a key component, crystalline silicon solar cell life can reach more than 25 years.
(7) Easy to expand the scale of power generation according to the need.
The basic components of solar photovoltaic power generation system
Solar photovoltaic power generation system is mainly composed of solar cell array, power regulator (including inverter and grid-connected protection device, etc.), battery (which can be dispensed with depending on the situation), load and control and protection devices, etc.
Solar photovoltaic power generation systems vary in their practical application depending on the type of system and its use. Grid-connected solar photovoltaic power generation systems for residential use generate direct current from the sun, which is converted to alternating current by a power conditioner and then connected to the power grid, and can be used in conjunction with the alternating current provided by the power company.
The main types of solar photovoltaic power generation systems
Solar photovoltaic power generation systems can be divided into three types according to their application areas: residential, public facilities and industrial facilities.
Solar photovoltaic systems for residential use can be used for a single household, a collection of houses, or a community consisting of many collections of houses; solar photovoltaic systems for public facilities are mainly used for schools, roads, squares, and other public facilities; solar photovoltaic systems for industrial facilities are mainly used for factories, business offices, and gas stations.
Solar photovoltaic power generation systems can be divided into independent and grid-connected types according to whether or not they are grid-connected to the power system, and can be divided into various types according to the form of the load (DC, AC), the presence or absence of batteries, etc.
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