Mitigation of Certain Power Quality Issues in Wind Energy Conversion System Using UPQC and IUPQC Devices

Pandu Ranga Reddy Gongati, Ramasekhara Reddy Marala, Vijaya Kumar Malupu
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引用次数: 4

Abstract

Due to limited conventional energy sources and to meet the increase of load demand there is a need for utilization of renewable energy sources. Among the all renewable energy sources wind energy is widely used and is highly sustainable as compared to other sources of energy. Many wind energy conversion devices working with doubly fed induction generators and synchronous generators and it is integrated to the grid produces the power quality issues like as voltage sags, swells, harmonics, voltage imbalance and short interruptions etc. Many power electronic based Flexible AC Transmission Systems (FACTS) are designed to solve above problems and facilitate to meet the required power demand. In this paper, UPQC (Unified Power Quality Conditioner) and IUPQC (Improved Unified Power Quality Conditioner) models are designed to mitigate the above power quality issues. In this paper, mainly voltage sags, voltage swells and harmonics are considered as a power quality issues to analyze the UPQC and IUPQC devices. The conventional PID controller is employed in control circuit of both the devices. It also discusses the comparative analysis between UPQC and IUPQC devices. The MATLAB/SIMULINK Software is used for above analysis.
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采用UPQC和IUPQC装置缓解风能转换系统中某些电能质量问题
由于常规能源的有限性和负荷需求的增加,有必要利用可再生能源。在所有可再生能源中,风能被广泛使用,与其他能源相比,风能具有高度的可持续性。许多风能转换装置与双馈感应发电机和同步发电机一起工作,并集成到电网中,会产生电压跌落、膨胀、谐波、电压不平衡和短时中断等电能质量问题。许多基于电力电子的柔性交流输电系统(FACTS)就是为了解决上述问题而设计的,以满足所需的电力需求。针对以上电能质量问题,本文设计了UPQC (Unified Power Quality conditioning)和IUPQC (Improved Unified Power Quality conditioning)模型。本文主要将电压跌落、电压膨胀和谐波作为电能质量问题来分析UPQC和IUPQC器件。两种装置的控制电路均采用传统的PID控制器。并对UPQC和IUPQC设备进行了对比分析。本文采用MATLAB/SIMULINK软件进行上述分析。
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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