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What are the components of the solar power systems?

The solar power systems is composed of solar panels, solar controllers and batteries. If the output power supply is AC 220V or 110V, an inverter is also required. The functions of each part are:

Solar panel

The solar panel is the core part of the solar power systems, and it is also the part with high value in the solar power systems. Its role is to convert the solar radiation energy into electric energy, or send it to the battery for storage, or promote the load work. The quality and cost of the solar panel will directly determine the quality and cost of the entire system.

Solar controller

The function of the solar controller is to control the working state of the whole system and protect the battery from overcharging and over discharging. In places with large temperature difference, the qualified controller shall also have the function of temperature compensation. Other additional functions, such as light control switch and time control switch, should be provided by the controller.

Battery

Generally, they are lead-acid batteries, and nickel metal hydride batteries, nickel cadmium batteries or lithium batteries can also be used in small systems. Since the input energy of the solar photovoltaic power generation system is extremely unstable, it is generally necessary to configure a battery system to work. Its function is to store the electric energy generated by the solar panel when there is light and release it when needed.

inverter

In many occasions, 220VAC and 110VAC AC power supplies are required. Since the direct output of solar energy is generally 12VDC, 24VDC and 48VDC, in order to provide power to 220VAC electrical appliances, it is necessary to convert the DC power generated by the solar power systems into AC power, so DC-AC inverter is required. In some cases, when multiple voltage loads are required, DC-DC inverters are also used, such as converting 24VDC electrical energy into 5VDC electrical energy.

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tom lee

tom lee

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