| 直流馈入后交流线路故障对换相失败瞬态特征的影响 |
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| 引用本文： | 张汝莲,赵成勇,卫鹏杰.直流馈入后交流线路故障对换相失败瞬态特征的影响[J].电力自动化设备,2011,31(7):82-87. |
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| 作者姓名： | 张汝莲 赵成勇 卫鹏杰 |
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| 作者单位： | 华北电力大学 电力系统保护与动态安全监控教育部重点实验室，河北 保定 071003;华北电力大学 电力系统保护与动态安全监控教育部重点实验室，河北 保定 071003;华北电力大学 电力系统保护与动态安全监控教育部重点实验室，河北 保定 071003 |
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| 摘 要： | 高压直流(HVDC)输电系统故障会使交流系统电气故障特性复杂化.在PSCAD/EMTDC环境下,基于含宁东--山东直流输电系统的山东电网的电磁暂态模型,研究当青岛换流站附近交流线路不同位置发生不同故障时,直流系统换相失败对交流系统电气瞬态特征的影响.直流系统换相失败对故障线路的平行线路影响最为严重,重点研究交流线路不同...
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| 关 键 词： | 高压直流输电 PSCAD/EMTDC 换相 瞬态分析 交流 线路 故障 畸变 |
Influence of AC line faults on HVDC commutation failure transient characteristics in DC/AC interconnected power grid |
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| ZHANG Rulian,ZHAO Chengyong and WEI Pengjie.Influence of AC line faults on HVDC commutation failure transient characteristics in DC/AC interconnected power grid[J].Electric Power Automation Equipment,2011,31(7):82-87. |
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| Authors: | ZHANG Rulian ZHAO Chengyong and WEI Pengjie |
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| Affiliation: | ZHANG Rulian,ZHAO Chengyong,WEI Pengjie(Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control under Ministry of Education,North China Electric Power University,Baoding 071003,China) |
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| Abstract: | The faults of HVDC power transmission system make the electrical characteristics of AC system more complex.In PSCAD/EMTDC environment,based on the electromagnetic transient model of Shandong grid containing Ningdong-Shandong DC transmission system,the influence of HVDC commutation failure on the electrical transient characteristics of AC system is studied for different faults occurring at different positions of AC line near Qingdao substation.During the period of commutation failure,the parallel line of the... |
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| Keywords: | HVDC power transmission PSCAD/EMTDC commutation transient analysis AC electric lines failure distortion |
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