Independent photovoltaic system power generation classification

Independent photovoltaic system power generation is also called off-grid photovoltaic power generation system. It is mainly composed of a solar cell module, a controller, and a battery. To supply power to an AC load, an AC inverter needs to be configured.z profile steel manufacturer

Independent photovoltaic system power generation classification:

1.the city’s complementary photovoltaic system to generate electricity.

Independent photovoltaic system power generation classification

The municipal power complementary photovoltaic power generation system is mainly based on solar photovoltaic power generation in an independent photovoltaic power generation system, supplemented by ordinary 220V alternating current electric energy. In this way, the capacity of solar cells and batteries in the photovoltaic power generation system can be designed to be smaller. Basically, there is sunshine on the day, and the electricity generated by solar energy is used on the same day. When it is rainy, it is supplemented with commercial energy. In most parts of China, there are more than two-thirds of fine weather for many years. This form reduces the one-time investment of solar photovoltaic power generation system and has significant energy saving and emission reduction effects. It is the process of promotion and popularization of solar photovoltaic power generation at the present stage. A good way of over-exertion.

2.DC photovoltaic system with battery.

The DC photovoltaic system with battery is composed of solar cells, charge and discharge controllers, batteries and DC loads. In the presence of sunlight, solar cells convert light energy into electrical energy for use by the load and simultaneously store electrical energy to the battery. At night or on a rainy day, the battery is powered by the battery. This kind of system is widely used, ranging from solar lawn lights and garden lights, to mobile communication base stations far away from the power grid, microwave transfer stations, and rural power supply in remote areas. When the system capacity and load power are large, it is necessary to equip the solar cell array and battery pack.

3.DC-free photovoltaic power generation system without battery.

The characteristic of the non-battery DC photovoltaic system is that the electric load is a DC load, and there is no requirement for the load usage time. The load is mainly used during the day. The solar cell is directly connected to the electrical load. When there is sunlight, it generates electricity for the load to work. When there is no sunlight, it stops working. l Profile Supplier  The system does not require the use of a controller and no battery energy storage device. The advantage of the battery-free DC photovoltaic power generation system is that the energy consumption through the controller and the storage and release process of the battery is saved, and the solar energy utilization efficiency is improved. The most typical application of such a photovoltaic system is a solar photovoltaic pump.

4.AC and AC and DC hybrid photovoltaic systems generate electricity.

AC and AC and DC hybrid photovoltaic system power generation Compared with DC photovoltaic power generation system, AC photovoltaic power generation system has an AC inverter to convert DC power into AC power to provide power for AC load. The AC and DC hybrid photovoltaic power generation system can supply power to the DC load and also to the AC load.

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