| 交流系统横向故障对HVDC100Hz保护影响及特性分析 |
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| 引用本文： | 成敬周,徐政,张静. 交流系统横向故障对HVDC100Hz保护影响及特性分析[J]. 电网技术, 2011, 35(9): 223-228 |
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| 作者姓名： | 成敬周 徐政 张静 |
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| 作者单位： | 1. 浙江大学电气工程学院,浙江省杭州市,310027
2. 浙江电力调度通信中心,浙江省杭州市,310007 |
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| 摘 要： | 交流系统故障会引起直流后备保护动作.首先利用开关函数法分析得出对直流后备保护影响的主要因素是交流系统负序及3次谐波分量,而负序分量是最主要因素；然后采用对称分量法对影响直流后备保护的主要因素进行分析:交流系统主要故障参数如故障类型、地点、无功补偿、短路比等发生变化时,对直流后备保护的影响是不同的,有的呈现单调性、有的随...
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| 关 键 词： | 交流电力系统 高压直流系统 后备保护 动作特性 故障类型 |
Influence of Transverse Faults in HVAC Power System on HVDC 100Hz Protection of HVDC Transmission System and Analysis on Its Characteristics |
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| CHENG Jingzhou , XU Zheng , ZHANG Jing. Influence of Transverse Faults in HVAC Power System on HVDC 100Hz Protection of HVDC Transmission System and Analysis on Its Characteristics[J]. Power System Technology, 2011, 35(9): 223-228 |
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| Authors: | CHENG Jingzhou XU Zheng ZHANG Jing |
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| Affiliation: | CHENG Jingzhou1,XU Zheng1,ZHANG Jing2(1.College of Electrical Engineering,Zhejiang University,Hangzhou 310027,Zhejiang Province,China,2.Zhejiang Electric Power Dispatch and Communication Center,Hangzhou 310007,China) |
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| Abstract: | Faults occurred in HVAC power system will influence on backup protection of HVDC transmission system.Firstly,the analysis results based on switching function show that the main factors influencing on backup protection of HVDC transmission system are negative-sequence component in HVAC system and the third harmonic component,and the negative-sequence component is the principal factor;then the main factors influencing on backup protection of HVDC transmission system are analyzed by symmetrical component and i... |
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| Keywords: | AC power system HVDC transmission system backup protection operation characteristics fault types |
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