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What is the role of photovoltaic inverter in solar power generation?

147 Published by admin 6月 09,2020

Solar power generation is a new field of energy conservation and environmental protection. It is a hot project all over the world. It has evolved into photovoltaic power generation. At present, distributed photovoltaic power generation in China has become a pension investment project for many families, but many people still have some of the photovoltaic power generation. Accessories are not well understood, such as photovoltaic inverters. Many engineering companies who are new to this industry do not yet know why photovoltaic inverters are used in solar photovoltaic power generation.

solar combiner box

Solar power generation is a new field of energy conservation and environmental protection. It is a hot project all over the world. It has evolved into photovoltaic power generation. At present, distributed photovoltaic power generation in China has become a pension investment project for many families, but many people still have some of the photovoltaic power generation. Accessories are not well understood, such as photovoltaic inverters.

Why use photovoltaic inverter in solar photovoltaic power generation?

The principle of solar photovoltaic power generation is a technology that directly converts light energy into electrical energy by utilizing the photovoltaic effect of the semiconductor interface. The key element of this technology is the solar cell. After the solar cells are connected in series and protected, a large-area solar cell module can be formed, and then a photovoltaic power generation device can be formed by cooperating with components such as a power controller. The entire process is called a photovoltaic power generation system. The photovoltaic power generation system is composed of a square array of solar cells, a battery pack, a charge and discharge controller, a photovoltaic inverter, an AC power distribution cabinet, and a solar tracking control system.

pv combiner box factory

The role of photovoltaic inverter in it

A photovoltaic inverter is a device that converts direct current into alternating current. Since the solar cell and battery are DC power sources, and the load is an AC load, an inverter is essential. According to the operation mode, photovoltaic inverters can be divided into independently operating photovoltaic inverters and photovoltaic grid-connected inverters. Independently operating photovoltaic inverters are used in independently operating solar cell power generation systems to provide power for independent loads. Grid-connected inverters are used in grid-connected solar cell power generation systems. Solar cells produce direct current under sunlight, however, systems powered by direct current have significant limitations. For example: fluorescent lamps, televisions, refrigerators, electric fans, etc. cannot be directly powered by DC power supplies, as are most electric machines. In addition, when the power supply system needs to increase or decrease the voltage, the AC system only needs to add a transformer, and the technology of raising and lowering the voltage in the DC system is much more complicated. Therefore, except for special users such as communication and meteorology that directly use DC power, photovoltaic inverters are required in photovoltaic power generation systems that supply production and domestic electricity.

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