What are the components of photovoltaic roof power generation system?

Photovoltaic power generation system usually consists of photovoltaic array, battery, battery controller, inverter, AC distribution cabinet, sun tracking control system and other equipment. High concentration photovoltaic (HCPV) also includes a concentrating part. Many people worry that photovoltaic roof power generation is harmful to human health, but it is not. Through scientific determination, the electromagnetic environment of solar photovoltaic power generation system is lower than the limit of each index. What is the specific composition of photovoltaic roof power generation system? Is photovoltaic roof power generation harmful to human body? Let's go down and have a look! 1. What are the components of photovoltaic roof power generation system?

Photovoltaic power generation system consists of solar panels, solar controllers and storage batteries. If the output power supply is AC 220V or 1 10V, an inverter is needed.

1, solar panels

Solar panel is the core part of photovoltaic power generation system, and it is also the part with high value in photovoltaic power generation system. Its function is to convert the radiant energy of the sun into electric energy, send it to the storage battery for storage, and also drive the load to work. The quality and cost of solar panels will directly determine the quality and cost of the whole system.

2. Solar controller

The function of solar controller is to control the working state of the whole system and protect the battery from being overcharged and discharged. In places with large temperature difference, the qualified solar controller should also have the function of temperature compensation. Other additional functions, such as light-controlled switch and time-controlled switch, should be the functions that solar controllers should have.

Step 3: Battery

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

4. Converter

In many occasions, it is necessary to provide 220VAC, 1 10VAC AC power supply. Because the direct output of solar energy is generally 12VDC, 24VDC and 48VDC. In order to provide electrical energy for 220VAC appliances, DC energy generated by photovoltaic power generation system needs to be converted into AC energy, so DC- AC inverter is needed. In some cases, DC-DC inverters are also used when loads of various voltages are needed, such as converting 24VDC to 5VDC.

Second, is photovoltaic roof power generation harmful to human body?

Roof photovoltaic power generation is harmless to people.

Photovoltaic power generation technology is harmless to human body. He uses solar panels to collect solar energy and convert it into electricity, which is a clean energy source. If used, there are no ingredients harmful to human body. But if there is damage and rupture, then the ingredients inside are a little harmful to the body.

In the process of converting solar energy into electric energy, photovoltaic power station will not produce any electromagnetic radiation, and only when converting direct current into alternating current will it produce a small amount of electromagnetic radiation, which is lower than that of ordinary household appliances.

Through scientific determination, the electromagnetic environment of solar photovoltaic power generation system is lower than the limit of each index. In the power frequency band, the electromagnetic environment of solar photovoltaic power generation system is even lower than that of ordinary household appliances, which will not affect human health.