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Grounding insulation resistance detection is of great importance for the solar inverter. A novel scheme of grounding insulation resistance detection system based on switch-controlled bridge circuit for the solar inverter was proposed in the paper. By controlling the bridge circuit, linear equations in respect of insulation resistances can be established, and the values of insulation resistances can...
Based on a kind of hybrid control photovoltaic grid-connected cascaded inverter proposed by the author, this paper proposes a simple method by which we can confirm the triggering angles of the unit inverter with the step wave overlap control mode, computes the output power of each unit inverter, proposes the operation mode exchange solution to solve the unbalanced output power problem of the cell...
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