基于虚拟同步发电机的光伏逆变器控制研究

Li Xin, Wang Ning
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引用次数: 2

摘要

分布式电源对微网稳定性的影响越来越大。虚拟同步发电机技术可以提高同步发电机惯量大的电网的稳定性。本文介绍了虚拟同步发电机技术的原理,并对工频控制和励磁控制的控制策略进行了详细的描述。通过这种方法,分布式逆变电源具有功率控制和调频的功能,可以保持微电网电压幅值和频率的稳定。
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Study on the control of photovoltaic inverter based on virtual synchronous generator
The Distributed power supply has an increasing influence on the stability of the micro-grid. Virtual synchronous generator technology can improve the stability of power grid with large inertia of synchronous generator. This paper describes the principle of virtual synchronous generator technology, as well as a detailed description of the control strategy of power frequency control and excitation control. With this method, the distributed inverter power has the function of power control and frequency modulation, which can maintain the stability of the voltage amplitude and frequency of the micro-grid.
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