| 基于CPWM控制方式的正弦波逆变器电路设计 |
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| 引用本文： | 王红玲,张元敏,方波.基于CPWM控制方式的正弦波逆变器电路设计[J].电力系统保护与控制,2009,37(2):76-79. |
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| 作者姓名： | 王红玲 张元敏 方波 |
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| 作者单位： | 许昌学院电气信息工程学院，河南 许昌 461000 |
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| 基金项目： | 河南省科技攻关计划项目（072102240033） |
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| 摘 要： | 对单极性三阶SPWM波进行了谐波分析，指出了UPWM和HPWM存在的缺点，给出了CPWM逆变控制方式的原理，并基于CPWM方式对单极性正弦波逆变控制电路进行了具体设计，最后研制了一台独立光伏系统用单相正弦波逆变器。实验结果表明，基于CPWM控制方式的正弦波逆变器性能优良，具有实用价值。
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| 关 键 词： | CPWM控制方式 正弦波逆变器 调制失效 死区振荡 |
Design of sine-wave inverter based on CPWM control mode |
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| WANG Hong-ling,ZHANG Yuan-min,FANG Bo.Design of sine-wave inverter based on CPWM control mode[J].Power System Protection and Control,2009,37(2):76-79. |
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| Authors: | WANG Hong-ling ZHANG Yuan-min FANG Bo |
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| Affiliation: | School of Electrics & Information Engineering;Xuchang University;Xuchang 461000;China |
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| Abstract: | Harmonic of SPWM-wave in unipolar mode is analyzed and the defects of UPWM and HPWM are pointed out.The principle of CPWM control mode is given,based on which the control circuit of the unipolar sine-wave inverter is designed.In the end,a single-phase sine-wave inverter for stand-alone PV system is developed.Experimental results shows that the inverter based on CPWM has fine performances and can be used in practice. |
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| Keywords: | CPWM control mode sine-wave inverter modulation failure dead-time oscillation |
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