Photovoltaic power generation systems can be divided into grid-connected photovoltaic power generation systems and stand-alone photovoltaic power generation systems according to whether they are grid-connected or not. Grid-connected photovoltaic power generation systems mainly refer to photovoltaic systems that are connected to the grid and receive grid dispatch, such as various centralised or distributed photovoltaic power plants. Stand-alone photovoltaic power generation systems mainly refer to a variety of photovoltaic power generation systems that operate independently of the grid, such as solar street lights, rural household photovoltaic power supply, etc.
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Energy has always been a topic of great concern to society as a whole. In today's world, energy is the essential basis for all productive work. Currently the most widely used energy sources are mainly traditional fossil energy sources such as coal and oil, but due to the environmental degradation and sharp reduction in resources caused by their massive use, people are increasingly expecting green energy sources and are urgently seeking new clean energy sources to replace them.
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Battery Energy Storage System (BESS) is a system that uses lithium/lead batteries as energy storage carriers, storing electricity for a certain period of time and supplying electricity for a certain period of time, and providing electricity with functions such as smooth transition, peak shaving, frequency regulation and voltage adjustment.
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Compared with thermal, hydraulic and diesel power generation, solar cell power generation has unique environmental advantages such as safety and reliability, no noise, no emissions, no pollution and no energy consumption, which is of great significance for the protection of the earth's ecological environment.
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Building a solar photovoltaic power station is a very time-consuming and labour-intensive project, and the slightest carelessness may have an impact on the subsequent operation of the plant. So today we are going to introduce some of the problems in the construction of solar PV power stations, such as the impact on buildings, the environment and the power grid.
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As we all know, energy storage can be divided into mechanical energy storage and chemical energy storage. Mechanical energy storage can be divided into pumped storage, compressed air storage, flywheel energy storage; chemical energy storage (also known as batteries) can be divided into lead-acid batteries, nickel batteries, lithium batteries, liquid flow batteries, sodium-sulphur batteries.
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