具有输入/输出线性的多模块多电平转换器

IAS '96. Conference Record of the 1996 IEEE Industry Applications Conference Thirty-First IAS Annual Meeting Pub Date : 1996-10-06 DOI:10.1109/IAS.1996.560202

B. Mwinyiwiwa, Z. Wolanski, Yiqiang Chen, B. Ooi

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引用次数: 33

摘要

多电平变换器是实现柔性交流输电系统(FACTS)控制器所要求的高额定功率的关键技术。本文表明，应用于多电平变换器的正弦脉宽调制(SPWM)技术固有地要求高的开关速率。然后，本文提出了一种基于多个多电平转换器模块的策略，该策略以尽可能低的开关损耗(每个GTO在调制期间仅开关一次on和OFF)工作，同时保持线性放大器的高增益带宽积来处理快速反馈，这是FACTS控制器必须具备的能力，以便进行动态性能增强。

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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Multimodular multilevel converters with input/output linearity

Multilevel converters constitute the key technology of power electronics to reach the high power ratings required by controllers of flexible AC transmission systems (FACTS). This paper shows that the sinusoidal pulse width modulation (SPWM) technique, as applied to multilevel converters, inherently requires a high switching rate. The paper then presents a strategy based on multiple modules of multilevel converters which operate with the lowest possible switching loss (each GTO switches ON and OFF only once during the modulation period), while maintaining the high gain-bandwidth product of linear amplifiers to handle fast feedbacks, which FACTS controllers must be capable of, in order to carry out dynamic performance enhancement.

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IAS '96. Conference Record of the 1996 IEEE Industry Applications Conference Thirty-First IAS Annual Meeting

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