| 高压直流输电系统阀短路保护动作特性分析 |
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| 引用本文： | 张颖,邰能灵,徐斌.高压直流输电系统阀短路保护动作特性分析[J].电力系统自动化,2011,35(8):97-102. |
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| 作者姓名： | 张颖 邰能灵 徐斌 |
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| 作者单位： | 1. 上海交通大学电子信息与电气工程学院,上海市,200240
2. 南瑞继保电气有限公司,江苏省南京市,211100 |
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| 摘 要： | 阀短路保护是高压直流输电系统中换流器的主保护.文中定量分析计算了在整流侧和逆变侧发生阀短路故障时的故障电流,结果表明,相比整流侧阀短路,逆变侧阀短路时的短路电流要小得多,以此为基础分析了阀短路保护的动作方程,并按传统交流比率差动保护的方法确定了动作方程中的相关参数.对动作方程分析表明,由于整流侧和逆变侧阀短路时故障电流...
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| 关 键 词： | 高压直流输电系统 阀短路保护 动作特性 换流变压器空载充电 |
| 收稿时间： | 2010/10/27 0:00:00 |
| 修稿时间： | 4/18/2011 5:07:09 PM |
Operation Characteristics Analysis for Valve Short-circuit Protection in HVDC System |
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| ZHANG Ying,TAI Nengling,XU Bin.Operation Characteristics Analysis for Valve Short-circuit Protection in HVDC System[J].Automation of Electric Power Systems,2011,35(8):97-102. |
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| Authors: | ZHANG Ying TAI Nengling XU Bin |
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| Affiliation: | ZHANG Ying1,TAI Nengling1,XU Bin2(1.Shanghai Jiaotong University,Shanghai 200240,China,2.Nanjing NARI-Relays Electric Company Limited,Nanjing 211100,China) |
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| Abstract: | Valve short-circuit protection is the primary protection for high voltage direct current(HVDC) converters.The fault current is analyzed and calculated when the valve short-circuit faults happen at rectifier side and inverter side respectively.The result shows that the fault current in case of inverter side failure is much less than that of rectifier side.Based on it,the operation equation for valve short-circuit protection is analyzed.It is disclosed that the valve short-circuit protection for the inverter ... |
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| Keywords: | high voltage direct current(HVDC) system valve short-circuit protection operation characteristics unloaded converter transformer energized |
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