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单相SPWM逆变器的死区效应分析和补偿策略
引用本文:李剑,康勇,陈坚. 单相SPWM逆变器的死区效应分析和补偿策略[J]. 电气传动, 2003, 33(1): 12-17
作者姓名:李剑  康勇  陈坚
作者单位:华中科技大学
摘    要:
文章详细分析了单相SPWM逆变器中死区时间和开关器件固有特性对输出波形的影响,提出了1种基于重复控制的死区补偿策略,该方法有效地改善了输出电压的波形畸变。在l台400Hz、7.5kVA样机上的实验结果验证了该补偿策略的有效性。

关 键 词:单相SPWM逆变器 死区效应分析 补偿策略 正弦脉宽调制

Analysis and Compensation Strategy of Dead-time Effects for Single-phase SPWM Inverters
Li Jian Kang Yong Chen Jian. Analysis and Compensation Strategy of Dead-time Effects for Single-phase SPWM Inverters[J]. Electric Drive, 2003, 33(1): 12-17
Authors:Li Jian Kang Yong Chen Jian
Affiliation:Li Jian Kang Yong Chen Jian
Abstract:
The influence of dead-time and inherence characteristics of switching devices on output voltage in single-phase SPWM inverters is analyzed in detail. A dead-time compensation strategy based on repetitive control is proposed. It can provide excellent inverter output voltage distortion correction. Experimental results on a 400 Hz 7.5 kVA prototype are presented to demonstrate the validity of the compensation strategy.
Keywords:SPWM inverter dead-time compensation
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