| 永磁直驱式风电机组低电压穿越技术研究 |
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| 引用本文： | 刘广东,高宁,王东,赵双喜. 永磁直驱式风电机组低电压穿越技术研究[J]. 电力电子技术, 2012, 46(3): 27-29. DOI: 10.3969/j.issn.1000-100X.2012.03.010 |
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| 作者姓名： | 刘广东 高宁 王东 赵双喜 |
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| 作者单位： | 1.保定天威风电科技有限公司,河北保定,071051;2.定天威保变电气股份有限公司,河北保定,071056 |
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| 摘 要： | 根据国网最新的风电机组不间断运行标准中关于低电压穿越(LVRT)的要求,对直驱式风电机组常用的Crowbar保护方案进行了分析,在讨论了各自的优缺点后,提出了一种Crowbar保护电路方案,其具有较低的成本和较高的可靠性,并在2 MW直驱式风电机组上进行了实验验证,验证了其准确性和合理性.
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| 关 键 词： | 直驱式风电机组 低电压穿越 保护电路方案 |
Reaserch on Low Voltage Ride Through Technology on Direct-drive Wind Turbine |
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| LIU Guang-dong , GAO Ning , WANG Dong , ZHAO Shuang-xi. Reaserch on Low Voltage Ride Through Technology on Direct-drive Wind Turbine[J]. Power Electronics, 2012, 46(3): 27-29. DOI: 10.3969/j.issn.1000-100X.2012.03.010 |
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| Authors: | LIU Guang-dong GAO Ning WANG Dong ZHAO Shuang-xi |
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| Affiliation: | 1(1.Baoding Tianwei Wind Power Technology Co.,Ltd.,Baoding 071056,China) |
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| Abstract: | According to the low voltage ride through(LVRT) requirements which is proposed from the latest uninter-rupted run standard of the national grid,the common Crowbar protection circuit programs are analysed.Through the analysis,a new Crowbar protection program which has low cost and high reliability is proposed.At last,the accuracy and reasonableness of the problem are verified by the 2 MW direct-drive wind turbine. |
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| Keywords: | direct-drive wind turbine low voltage ride through protection circuit program |
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