| 三电平大功率并联逆变电源在EAST系统中的应用 |
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| 引用本文： | 黄海宏,高格,付鹏,王海欣,颜世超. 三电平大功率并联逆变电源在EAST系统中的应用[J]. 核聚变与等离子体物理, 2008, 28(4): 357-361 |
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| 作者姓名： | 黄海宏 高格 付鹏 王海欣 颜世超 |
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| 作者单位： | (1．中国科学院等离子体物理研究所，合肥 230031；2．合肥工业大学电气与自动化工程学院，合肥 230009) |
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| 基金项目： | 国家九五重点科技攻关项目 |
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| 摘 要： | 针对EAST超导托卡马克装置中的等离子体位移快控电源大电流快速响应的要求，采用三电平结合移相PWM多重化技术，实现多组变流器并联运行，提高了变流器的等效开关频率控制性能，从而改善了电流波形品质。分析了快控电源系统的设计方案和控制方法，并针对移相PWM多重化技术，采用Matlab进行了仿真，验证了设计思想。实验结果表明，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 移相PWM 快控电源 |
| 收稿时间： | 2007-12-10 |
| 修稿时间： | 2008-05-29 |
Application of three-level large power paralleling inverter in EAST system |
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| HUANG Hai-hong,GAO Ge,FU Peng,WANG Hai-xin,YAN Shi-chao. Application of three-level large power paralleling inverter in EAST system[J]. Nuclear Fusion and Plasma Physics, 2008, 28(4): 357-361 |
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| Authors: | HUANG Hai-hong GAO Ge FU Peng WANG Hai-xin YAN Shi-chao |
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| Affiliation: | (1. Institute of Plasma Physics, Chinese Academy of Science, Hefei 230031； 2. School of electrical engineering, Hefei University of Technology, Hefei 230009) |
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| Abstract: | The multiple structure of carrier phase-shift three-level inverter is presented to meet the requirement of the large-current fast control of plasma displacement in EAST superconductor tokamak, which can realizes the parallel operation of multi-converters, the enhancement of equivalent switch-frequency control of converters and the improvement of current control. To verify the design idea, the design scheme and control method are analyzed and the simulation based on Matlab is carried out. The experimental result confirms the validity of the proposed scheme and the control strategy，and the fine capacities of supplying large current and fast response. |
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| Keywords: | EAST superconductor tokamak Plasma Phase-shift PWM Fast control power supply |
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