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A control strategy based on reactive power control is proposed to effectively regulate the voltage of photovoltaic inverters in response to the voltage imbalance problem that occurs during the operation of photovoltaic distribution systems. Using reactive power as a function of voltage, regulating reactive power through photovoltaic inverters effectively controls voltage amplitude and solves voltage imbalance problems; Set the voltage imbalance within the standard range, apply real photovoltaic power generation and its load demand data, and conduct simulation verification in conjunction with the IEEE 37 node system. Verification shows that this method can maintain the node voltage amplitude within the imbalance threshold, effectively reducing the operating pressure of photovoltaic inverters and improving the photovoltaic power generation capacity of the distribution system.

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Research on Voltage Regulation Method of Photovoltaic Inverter Using Reactive Power Control

  • 会议论文

  • 发表日期：

    2026年

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  • Guokai Huang

摘要

A control strategy based on reactive power control is proposed to effectively regulate the voltage of photovoltaic inverters in response to the voltage imbalance problem that occurs during the operation of photovoltaic distribution systems. Using reactive power as a function of voltage, regulating reactive power through photovoltaic inverters effectively controls voltage amplitude and solves voltage imbalance problems; Set the voltage imbalance within the standard range, apply real photovoltaic power generation and its load demand data, and conduct simulation verification in conjunction with the IEEE 37 node system. Verification shows that this method can maintain the node voltage amplitude within the imbalance threshold, effectively reducing the operating pressure of photovoltaic inverters and improving the photovoltaic power generation capacity of the distribution system.