| SiC电力电子器件对电力系统的影响 |
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| 引用本文： | 于晶荣,曹一家,王一军,韩华,谢慧娟,吴伟标. SiC电力电子器件对电力系统的影响[J]. 微纳电子技术, 2012, 0(8): 503-509,547 |
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| 作者姓名： | 于晶荣 曹一家 王一军 韩华 谢慧娟 吴伟标 |
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| 作者单位： | 湖南大学电气与信息工程学院;中南大学信息科学与工程学院 |
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| 基金项目： | 教育部高等学校博士学科点专项科研基金新教师项目(20100162120014);长沙市科技攻关资金专项(K1009011-11) |
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| 摘 要： | 宽禁带SiC材料被认为是高性能电力电子器件的理想材料,比较了Si和SiC材料的电力电子器件在击穿电场强度、稳定性和开关速度等方面的区别,着重分析了以SiC器件为功率开关的电力电子装置对电力系统中柔性交流输电系统(FACTS)、高压直流输电(HVDC)装置、新能源技术和微电网技术领域的影响。分析表明,SiC电力电子器件具有耐高压、耐高温、开关频率高、损耗小、动态性能优良等特点,在较高电压等级(高于3 kV)或对电力电子装置性能有更高要求的场合,具有良好的应用前景。
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| 关 键 词： | 碳化硅 电力电子器件 柔性交流输电系统(FACTS) 高压直流输电(HVDC) 新能源 微网 |
Influence of SiC Power Electronic Devices on the Power System |
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| Yu Jingrong,Cao Yijia,Wang Yijun,Han Hua,Xie Huijuan,Wu Weibiao. Influence of SiC Power Electronic Devices on the Power System[J]. Micronanoelectronic Technology, 2012, 0(8): 503-509,547 |
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| Authors: | Yu Jingrong Cao Yijia Wang Yijun Han Hua Xie Huijuan Wu Weibiao |
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| Affiliation: | 1.College of Electrical and Information Engineering,Hunan University,Changsha 410082,China; 2.College of Information Science and Engineering,Central South University,Changsha 410083,China) |
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| Abstract: | The wide-bandgap SiC is known as an ideal material for the excellent power electronic device.The distinctions of the power electronic devices based on Si and SiC materials are compared in the breakdown electric field strength,stability and switching speed.The influence of the SiC power electronic device as the power switch on the flexible AC transmission systems(FACTS),high-voltage direct current(HVDC) technology,renewable energy technologies and micro grid technology are analyzed.The analysis shows that the SiC power electronic devices are characterized in high voltage resistance,high temperature resistance,high switching frequency,low loss and excellent dynamic performance,and have good application prospects in the higher voltage levels(higher than 3 kV) or the higher requirements for the performances of power electronic devices. |
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| Keywords: | SiC power electronic device flexible AC transmission system(FACTS) high-vol-tage direct current(HVDC) renewable resource micro grid |
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