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高压大功率三电平逆变器主电路改进与脉宽调制安全稳定关键技术

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Keywords: 高压大功率,三电平逆变器,主电路拓扑,脉宽调制,安全稳定

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Abstract:

高压大功率三电平逆变器在主电路结构、脉宽控制以及安全运行机制方面存在一些新问题需要解决,唯有在多学科(电力电子技术、智能技术)交叉中,对主电路、脉宽控制理论进行完善和创新,才能推动该项技术更好的向前发展。本文结合已有的成果,以设计新型三电平拓扑电路为重点,以提高三电平脉宽调制安全稳定性能为核心,对其中的关键技术问题展开研究,揭示问题产生机理,并提供解决办法,为最大限度提高三电平逆变器输出容量、控制性能以及系统安全稳定性奠定理论与应用基础。

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