最先进的M-STATCOM的研究

Syed Ali Kamran, J. Muñoz
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引用次数: 8

摘要

本文提出了一种基于模块化多电平变换器M-STATCOM的新型静态同步补偿器。为了支持直流母线电压,保持直流链路电容电压的稳定性,获得谐波含量低的输出电压,并在不平衡负载运行下补偿无功功率,采用了直流控制(DCC)技术。为了实现高精度和良好的控制系统响应,选择了电平移正弦脉宽调制(LS-PWM)技术。在PSCAD/EMTDC(4.5.1版)环境下对M-STATCOM进行了仿真,并对其静态和动态响应进行了讨论。仿真结果验证了所提调制控制策略的有效性和可行性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Study of a state-of-the art M-STATCOM
This paper presents a novel static synchronous compensator based on the state-of-the-art modular multilevel converter called M-STATCOM. In order to support the DC bus voltage, maintain the stability of DC-link capacitor voltage, obtain an output voltage with low harmonic content and compensate reactive power under unbalanced load operation, a direct current control (DCC) technique is used. For high accuracy and good control system response, Level-Shift Sine Pulse Width Modulation (LS-PWM) technique is selected. The M-STATCOM is simulated in PSCAD/EMTDC (version 4.5.1) environment and its static and dynamic responses are discussed. The effectiveness and feasibility of the proposed modulation and control strategy is validated by the simulation results.
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