| 光伏发电中高压并网多电平逆变器的控制策略 |
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| 引用本文： | 张艳莉,费万民.光伏发电中高压并网多电平逆变器的控制策略[J].南京师范大学学报,2011,11(1):19-26. |
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| 作者姓名： | 张艳莉 费万民 |
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| 作者单位： | 张艳莉,Zhang Yanli(南京师范大学能源与机械工程学院,江苏南京,210042);费万民,Fei Wanmin(南京师范大学电气与自动化工程学院,江苏南京,210042) |
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| 基金项目： | 江苏省普通高校自然科学研究计划 |
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| 摘 要： | 提出主从级联式多电平变换器应能兼顾系统对电压等级、功率转换效率、输出波形质量的高要求;特定谐波消除脉宽调制SHEPWM方法能够实现输出波形质量和功率转换效率的优化,便于实现功率平衡控制的控制方案.以十五电平逆变器为例,研究了主从级联式多电平逆变器的SHEPWM控制方法,提出了一种简单的功率平衡控制方法,以选取的典型点为...
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| 关 键 词： | 光伏发电 中高压并网 级联多电平逆变器 脉宽调制 功率平衡 |
SHEPWM and Power Balance Control for Composite Cascade Multilevel Inverters for Medium and High Voltage Interfacing of Photovoltaic Systems |
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| Zhang Yanli,Fei Wanmin.SHEPWM and Power Balance Control for Composite Cascade Multilevel Inverters for Medium and High Voltage Interfacing of Photovoltaic Systems[J].Journal of Nanjing Nor Univ: Eng and Technol,2011,11(1):19-26. |
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| Authors: | Zhang Yanli Fei Wanmin |
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| Affiliation: | Zhang Yanli1,Fei Wanmin2 (1.School of Energy and Mechanical Engineering,Nanjing Normal University,Nanjing 210042,China,2.School of Electrical and Automation Engineering,China) |
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| Abstract: | With the increasing of the capacity and scale of photo-voltaic power systems,medium and high voltage inverters are economic and reasonable choices for transformerless interfaces of the photo-voltaic systems with utility grid.It is proposed that the composite cascade multilevel inverter may be the best topology for it can meet the high requirements for voltage level,high power converting efficiency and high waveform quality of output voltage.Selective harmonics elimination PWM method is probably the best con... |
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| Keywords: | photo-voltaic system medium and high voltage interface cascade multilevel inverter pulse width modulation power balance |
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