| 220 kV变电站二次及弱电系统过电压PSCAD/EMTDC仿真研究 |
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| 引用本文： | 韩来文,刘晓蒂,姜明瑞. 220 kV变电站二次及弱电系统过电压PSCAD/EMTDC仿真研究[J]. 黑龙江电力, 2010, 32(5): 346-350,353 |
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| 作者姓名： | 韩来文 刘晓蒂 姜明瑞 |
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| 作者单位： | 长春供电公司,吉林,长春,130021;吉林省电力有限公司培训中心,吉林,长春,130021;绥化电业局,黑龙江,绥化,152000 |
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| 摘 要： | 针对长春西郊220 kV变电站的二次系统及弱电设备的实际情况,通过分析过电压产生原因及侵入途径,建立了系统各相关元件的数学模型,并利用PSCAD/EMTDC对过电压数值进行了仿真计算,得出不同雷电波及操作过电压作用下二次及弱电系统电压、电流的变化。根据仿真结果提出了长春地区变电站二次系统防雷改进措施。
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| 关 键 词： | 220 kV 变电站 过电压 PSCAD/EMTDC 仿真 浪涌保护器 |
Study on over-voltage PSCAD/EMTDC simulation of secondary and weak electricity system of 220 kV substation |
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| HAN Laiwen,LIU Xiaodi,JIANG Mingrui. Study on over-voltage PSCAD/EMTDC simulation of secondary and weak electricity system of 220 kV substation[J]. Heilongjiang Electric Power, 2010, 32(5): 346-350,353 |
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| Authors: | HAN Laiwen LIU Xiaodi JIANG Mingrui |
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| Affiliation: | 1.Changchun Power Supply Company,Changchun 130021,China;2.Training Center of Jilin Electric Power Co.,Ltd,Changchun 130021,China;3.Suihua Electric Power Bureau,Suihua 152000,China) |
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| Abstract: | In view of the actual situation of secondary and weak electricity system of 220 kV substation in Changchun＇s western suburb,this paper establishes the mathematical models of relative parts through the analysis of cause and invasion routes of over-voltage,conducts simulation calculation of over-voltage value by applying PSCAD/EMTDC,then concludes the change of voltage and current of secondary and weak electricity system under different lightning surge and operational over-voltage and proposes measures for improving lightning protection of substation＇s secondary system in Changchun. |
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| Keywords: | 220 kV substitution over-voltage PSCAD/EMTDC simulation surge protective device |
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