Fuzzy Logic Based-SVPWM Current Controller for Inverter-Interfaced Distributed Generation System

2011 International Conference on Process Automation, Control and Computing Pub Date : 2011-07-20 DOI:10.1109/PACC.2011.5978984

S. Jena, Distributed Generat, B. Babu, A. Naik

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引用次数: 4

Abstract

The market penetration of the distributed generation (DG) is anticipated to increase radically due to global energy crisis. To meet the future energy demand, DGs are one of the viable options, but the complexity is to integrate DGs with the utility grid. The synchronization is needed in order to ensure 1) the grid stability 2) the injection of high quality power to the utility grid and 3) high efficiency etc. For that, pulse width modulated voltage source inverter (PWM-VSI) is used to interface the DGs with the utility grid. However, the inverter performance is largely depends on the applied current control strategy. In this paper for current control of the PWM-VSI, fuzzy logic based SVPWM technique is employed due to its fast dynamic response and better Dc-link voltage utilization. Further in this paper an effort has been made to design the current error compensation scheme by using fuzzy logic controller in order to improve the overall performance of grid connected inverter system. The studied system is modeled and simulated in the MATLAB/Simulink environment.

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基于模糊逻辑的svpwm逆变器接口分布式发电系统电流控制器

由于全球能源危机，分布式发电(DG)的市场渗透率预计将大幅增加。为了满足未来的能源需求，dg是可行的选择之一，但其复杂性在于将dg与公用电网相结合。为了保证电网的稳定性，保证向公用电网输送高质量的电力，保证电网的高效率，需要同步供电。为此，脉宽调制电压源逆变器(PWM-VSI)用于将dg与公用电网连接。然而，逆变器的性能在很大程度上取决于所采用的电流控制策略。本文采用基于模糊逻辑的SVPWM技术对PWM-VSI进行电流控制，该技术动态响应快，直流链路电压利用率高。为了提高并网逆变器系统的整体性能，本文还设计了基于模糊控制器的电流误差补偿方案。在MATLAB/Simulink环境下对所研究的系统进行了建模和仿真。

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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2011 International Conference on Process Automation, Control and Computing

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