| 载波移相在大容量并联逆变电源中的应用 |
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| 引用本文： | 王海欣,黄海宏,高格,傅鹏.载波移相在大容量并联逆变电源中的应用[J].电子测量与仪器学报,2010,24(11):1054-1059. |
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| 作者姓名： | 王海欣 黄海宏 高格 傅鹏 |
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| 作者单位： | 合肥工业大学;中国科学院等离子体物理研究所; |
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| 摘 要： | EAST（experimental advanced superconducting tokamak,超导托卡马克核聚变实验）快速控制电源是一种单相大容量逆变电源,其跟踪等离子体位移信号,对真空室内的线圈进行励磁控制,产生磁场实现等离子体位移控制。为满足等离子体位移快控电源大电流快速响应要求,采用多组变流器并联运行。电源系统采用移相PWM多重化技术,降低IGBT的开关损耗,提高变流器等效开关频率,改善输出波形。介绍了系统设计方案,并对输出谐波进行分析和仿真。实验结果说明该系统设计方案合理,控制策略有效,具备良好的大电流输出和快速响应能力。
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| 关 键 词： | EAST 装置 等离子体 快速控制电源 移相 PWM |
Application of phase-shift PWM in large capacity multi-inverters in Parallel |
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| Wang Haixin,Huang Haihong,Gao Ge,Fu Peng.Application of phase-shift PWM in large capacity multi-inverters in Parallel[J].Journal of Electronic Measurement and Instrument,2010,24(11):1054-1059. |
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| Authors: | Wang Haixin Huang Haihong Gao Ge Fu Peng |
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| Affiliation: | Wang Haixin1 Huang Haihong1 Gao Ge2 Fu Peng2(1.Hefei University of Technology,Hefei 230009,China,2.Institute of Plasma Physics,Chinese Academy of Sciences,Hefei 230031,China) |
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| Abstract: | EAST(experimental advanced superconducting tokamak) fast control power supply is a large capacity single phase inverter power supply,which traces displacement signal of plasma,and excites coils in vacuum vessel to produce magnetic field that realizes plasma stabilization.To meet the requirement of large current and fast response,multi-inverters in parallel is presented.The technique of carrier wave Phase-shift PWM is applied to decrease switching loss of IGBT,raise equal switch-frequency of converter and im... |
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| Keywords: | EAST plasma fast control power supply phase-shift PWM |
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