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Research on Control Strategy of Microgrid Inverter Based on Virtual Synchronous Generator

机译:基于虚拟同步发电机的微电网逆变器控制策略研究

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In view of the conventional droop control method of inverter cannot fully meet the requirements of the microgrid operation, a new control strategy which is based on the traditional control method and combine with synchronous generator model is put forward, also known as VSG control strategy. AVSG model is establish, focusing on the design of the power frequency controller and excitation controller. The role of the rotational inertia and the power allocation problem of two VSGs in parallel networking system are verified through Matlab/Simulink simulation. The results show that, microgrid inverter based on VSG control strategy can simulate output characteristics of synchronous generator well and is conductive to microgrid operation.
机译:鉴于逆变器的常规下垂控制方法不能完全满足微电网操作的要求,提出了一种基于传统控制方法和与同步发电机模型相结合的新控制策略,也称为VSG控制策略。 AVSG模型是建立,专注于电力频率控制器和励磁控制器的设计。通过MATLAB / Simulink仿真验证了旋转惯性和两个VSG中的功率分配问题的作用。结果表明,基于VSG控制策略的微电网逆变器可以钻取同步发电机的输出特性,并导通微电网操作。

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