微电网逆变器并联运行控制新方法

2016 3rd International Conference on Information Science and Control Engineering (ICISCE) Pub Date : 2016-07-08 DOI:10.1109/ICISCE.2016.169

Wenge Tong

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引用次数: 1

摘要

为了解决并网逆变器在不同线路阻抗下不能准确共享功率的问题。提出了一种新的并网逆变器控制方法。该控制方法将自适应下垂系数控制与模糊PID控制相结合。该系统由两组三相逆变器组成，分别采用电流电压双环、改进下垂环和模糊PID控制器进行控制。自适应下垂系数控制可以克服系统在不同线路阻抗下不能准确共享功率的问题，模糊PID控制器可以提高系统响应速度，减小系统负载。波形失真。仿真结果表明了该方案的良好性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A New Control Method for Inverters Parallel Operation in Microgrid

In order to solve the problems that grid connected inverters cannot share power accurately in different line impedance. A new control method for grid connected inverters is presented in this paper. The new control method combines adaptive droop coefficient droop control with fuzzy PID control. The system consists of two sets of three-phase inverters which are controlled by current voltage dual-loop, an improved droop loop and fuzzy PID controller. The adaptive droop coefficient droop control can overcome the system cannot share power accurately in different line impedance, and the fuzzy PID controller can improve the system response speed and reduce system.waveform distortion. Simulation results show the good performance of the scheme.

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来源期刊

2016 3rd International Conference on Information Science and Control Engineering (ICISCE)

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