The component inverter is to connect each photovoltaic component with an inverter, and each component has a separate maximum power peak tracking, so that the component and the inverter are better matched. Usually used in 50W to 400W photovoltaic power plants, the total efficiency is lower than string inverters. Since it is connected in parallel at the AC, this increases the complexity of the wiring on the AC side and is difficult to maintain. Another problem that needs to be solved is how to connect to the grid more effectively. The simple way is to directly connect to the grid through an ordinary AC socket, which can reduce the cost and equipment installation, but often the safety standards of the grid may not allow it. In doing so, the power company may object to the power generation device being directly connected to the ordinary socket of ordinary household users. Another factor related to safety is whether an isolation transformer (high or low frequency) is required, or a transformerless inverter is allowed. This inverter is most widely used in glass curtain walls.

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gridtied inverter