| 直流输电系统中逆变器换相失败的因素分析 |
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| 引用本文： | 魏建炜,林莉,成涛,牟道槐.直流输电系统中逆变器换相失败的因素分析[J].重庆大学学报(自然科学版),2006,29(5):16-18. |
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| 作者姓名： | 魏建炜 林莉 成涛 牟道槐 |
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| 作者单位： | [1]重庆大学电气工程学院,重庆400030 [2]重庆电力公司,重庆400001 |
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| 摘 要： | 换相失败是直流输电系统常见的故障之一，其与许多因素有关.为此分析了直流输电系统中换流母线电压、直流电流、换相电抗、触发越前角、换流变压器变比等因素对换流站换相失败的影响，得到了直流输电系统换相失败的一般规律，对实际运行具有一定的借鉴意义.
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| 关 键 词： | 直流输电 逆变器 换相失败 |
| 文章编号： | 1000-582X（2006）05-0016-03 |
| 收稿时间： | 2005-12-14 |
| 修稿时间： | 2005-12-14 |
Commutation Failure Factors Analysis In HVDC Transmission System |
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| WEI Jian-wei,LIN Li,CHENG Tao,MOU Dao-huai.Commutation Failure Factors Analysis In HVDC Transmission System[J].Journal of Chongqing University(Natural Science Edition),2006,29(5):16-18. |
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| Authors: | WEI Jian-wei LIN Li CHENG Tao MOU Dao-huai |
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| Institution: | 1. Chongqing University, Chongqing 400044, China; 2. Chongqing Electric Power Company, Chongqing 400001, China |
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| Abstract: | Commutation failure is one of the most common faults in HVDC transmission system, which is affected by many factors. This paper analyzes the effects of some major factors, such as voltage of commutation bus, DC current, advance firing angle, short circuit impedance and ratio of converter transformer, on the commutation failure in the inverter in HVDC transmission system. The obtained general rule of commutation failure in the inverter in HVDC transmission system is helpful to practical operation. |
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| Keywords: | HVDC transmission inverter commutation failure |
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