| 多通道逆变器空间矢量调制调压技术研究 |
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| 引用本文： | 蔡振鸿,谢少军.多通道逆变器空间矢量调制调压技术研究[J].电力电子技术,2007,41(7):95-97. |
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| 作者姓名： | 蔡振鸿 谢少军 |
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| 作者单位： | 南京航空航天大学,江苏,南京,210016;南京航空航天大学,江苏,南京,210016 |
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| 摘 要： | 多通道逆变器(阶梯波合成逆变器)是一种适合于大功率应用的逆变技术,但传统的多通道逆变器不能调节输出电压.将SVPWM调制技术应用于多通道逆变器,不仅可以调节输出电压,而且实现了SVPWM在大功率场合的运用.以4通道逆变器为例,分析了不对称SVPWM方案的基本原理和性能,给出了最优的开关频率和采样偏移角.采用不对称SVPWM方案,在4通道逆变器样机上进行了实验.实验结果证明,采用该方案可以在低开关频率下得到良好的输出电压波形.
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| 关 键 词： | 逆变器 脉宽调制/多通道 空间矢量 |
| 文章编号： | 1000-100X（2007）07-0095-03 |
| 修稿时间： | 2006-12-19 |
Research on Multi-step Inverter with SVPWM Technology |
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| CAI Zhen-hong,XIE Shao-jun.Research on Multi-step Inverter with SVPWM Technology[J].Power Electronics,2007,41(7):95-97. |
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| Authors: | CAI Zhen-hong XIE Shao-jun |
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| Abstract: | Because of low switching frequency and high efficiency,multi-step inverters(staircase waveform inverters) are suitable for high power applications.However,the output-voltage of traditional multi-step inverters can't be adjusted.Using the SVPWM(Space Vector Pulse Width Modulation) technology to adjust multi-step inverters is discussed in this paper.With asymmetry SVPWM strategy the optimum switching frequency and the optimum sample deviation angle were given by analyzing the principle and performance of 4-step inverter.To certify the feasibility of the asymmetry SVPWM technology,the experimental results of 4-step inverters are given in this paper.While the asymmetry SVPWM scheme is used,the inverter has a high quality output waveform with low switching frequency. |
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| Keywords: | inverter pulse width modulation / multi-step space vector |
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