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载波交叠特性PWM方法在飞跨电容多电平逆变器中的应用研究 被引量：27

PWM Methods with Carrier-overlapping Characteristics in Flying-capacitor Multilevel Inverters
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摘要 研究了具有载波交叠特性的PWM方法在飞跨电容多电平逆变器中的应用。载波交叠PWM方法具有优化开关利用率,使得开关损耗平均化的特性。经过详细分析,推出在飞跨电容型多电平逆变器中载波交叠特性不能导致飞跨电容的电压平衡。为了应用载波交叠特性,该文提出一种能保证飞跨电容电压平衡的新型PWM方法,并通过实验证明新型PWM方法在三电平飞跨电容型逆变器中的有效性。 The paper focuses on the applications of PWM methods with carrier-overlapping characteristics in flyingcapacitor multilevel inverters. Carrier-overlapping PWM method can optimize the utilization of all switches. In flyingcapacitor multilevel inverters, carrier-overlapping PWM has no contribution to the voltage balance of flying capacitors. The paper then presents a PWM method by which the carrieroverlapping characteristics and capacitors voltage balancing can be guaranteed. The experiment demonstrates the validity of the novel PWM method.
作者 王小峰 何湘宁 邓焰
机构地区 浙江大学电气工程学院
出处 《中国电机工程学报》 EI CSCD 北大核心 2007年第10期98-102,共5页 Proceedings of the CSEE
基金 国家自然科学基金项目(50307012 50277035)~~
关键词 多电平逆变器 载波交叠特性 电压平衡 脉宽调制方法 multilevel inverters carrier-overlappingcharacteristics voltage balance PWM method
分类号 TM461 [电气工程—电器]
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参考文献16

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二级参考文献21

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共引文献114

同被引文献269

引证文献27

二级引证文献445

中国电机工程学报
2007年 第10期

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