SPWM与SVPWM同步器的动态响应

Q3 Engineering

WSEAS Transactions on Power Systems Pub Date : 2022-06-17 DOI:10.37394/232016.2022.17.11

K. Mahafzah, Hana' A. Rabab'ah, A. Al-Odienat, Mohammad H. Al-Momani, Khaled Al-Maitah, Amneh A. Al-Mbaideen

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引用次数: 2

摘要

本文探讨了用空间矢量脉宽调制（SVPWM）代替正弦脉宽调制（SPWM）来评估同步逆变器（同步转换器）的动态响应。本文对同步变换器的动态响应进行了SVPWM和SPWM的综合比较。这种比较方面包括：在使用两种调制技术的情况下，电网频率、有功功率和无功功率、线路电流及其THD和频率变化率（RoCoF）。尽管SVPWM的使用很复杂，但它比SPWM有几个优点。随着可再生能源在电力系统中的普及，系统惯性降低，频率偏差越来越大、越来越快。本文的结果表明，SVPWM有助于降低频率变化率，从而增强系统惯性。结果表明，SVPWM比SPWM具有更稳定的特性。此外，与SPWM相比，SVPWM将电流的总谐波失真（THD）降低了7%。此外，SVPWM的使用降低了所用滤波器的复杂性和成本。使用Matlab/Simulink进行结果验证。

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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The Dynamic Response of SPWM vs. SVPWM Synchronverter

This paper explores the use of Space Vector Pulse Width Modulation (SVPWM) instead of Sinusoidal Pulse Width Modulation (SPWM) to evaluate dynamic response of the synchronous inverter (synchronverter). The paper presents a comprehensive comparison between the SVPWM and SPWM for the dynamic response of synchronverter. This comparison aspects contain: the grid frequency, the active and reactive power, line current and its THD and rate of change of frequency (RoCoF) in case of using both modulation techniques. Despite the complexity of using SVPWM, it has several advantages over SPWM. With the increased penetration of renewable energy sources in power systems, the system inertia is reduced, and the frequency deviations becomes greater and faster. The results of this paper show that SVPWM contributes to reducing the rate of change of frequency (RoCoF) which enhances the system inertia. The results show a more stable behavior of SVPWM than the SPWM. Moreover, SVPWM reduces the total harmonics distortion (THD) of the current by 7% as compared to SPWM. Furthermore, the use of SVPWM reduces the complexity and the cost of the used filter. Matlab/Simulink is used for results validation.

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来源期刊

WSEAS Transactions on Power Systems Engineering-Industrial and Manufacturing Engineering

CiteScore

1.10

自引率

0.00%

发文量

期刊介绍： WSEAS Transactions on Power Systems publishes original research papers relating to electric power and energy. We aim to bring important work to a wide international audience and therefore only publish papers of exceptional scientific value that advance our understanding of these particular areas. The research presented must transcend the limits of case studies, while both experimental and theoretical studies are accepted. It is a multi-disciplinary journal and therefore its content mirrors the diverse interests and approaches of scholars involved with generation, transmission & distribution planning, alternative energy systems, power market, switching and related areas. We also welcome scholarly contributions from officials with government agencies, international agencies, and non-governmental organizations.