What are PV connectors for?

I. What are PV connectors for? When using connectors in a photovoltaic power plant, it is necessary to rely on cables and connectors in order to bring together a large number of components and enter the inverter. The very main of the photovoltaic power generation system is the photovoltaic connector, there are components, controllers, convergence boxes, inverters and so on. At the end of September 2018, China's cumulative installed capacity of photovoltaic power generation was about 133 GW, which has ranked the world. According to the calculation of 4,000 1 MW units, there are about about 530 million sets of connectors in domestic PV power plants now. However, PV connectors are often neglected in the design, construction, operation and maintenance phases of power plants. It is that people do not pay enough attention to the connectors. For example, it is the connector is damaged or burned, second, it is the inverter failure or fan failure, third cable used improperly, installation is not normal, damage, selection error, fourth is the parts have dirt, shadow, installation is not according to the standard, damage, parts of the glass is damaged, parts of the pid, the fifth is the fault of the distribution cabinet, the sixth grid failure, the seventh is the failure of the transformer. If the system of photovoltaic has been in the sun or has been exposed to the wind and rain, or extreme temperature changes, then the photovoltaic connector must be adapted to these more extreme environments, it must be able to achieve high temperature resistance, ultraviolet protection, waterproof, but also have the ability to high current carrying capacity, haptic protection, and work efficiency is also high. At this point, the ground contact resistance is a very important factor to take into account, at least 25 years to run through the entire life cycle of the photovoltaic system.

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