| 基于PSCAD的电流互感器饱和特性分析 |
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| 引用本文： | 陈武恝,朱永海.基于PSCAD的电流互感器饱和特性分析[J].变流技术与电力牵引,2009(1):39-42. |
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| 作者姓名： | 陈武恝 朱永海 |
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| 作者单位： | 江西省电力公司超高压分公司;广东天联工程有限公司; |
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| 摘 要： | 电流互感器（TA）是电力系统中的重要传变设备，但电流互感器的饱和可能引起微机继电保护误动和拒动。文章通过应用电力系统仿真软件EMTP/PSCAD对电流互感器的饱和特性进行了详细分析，建立了电流互感器模型；并且，针对二次侧不同负载情况，对稳态饱和和暂态饱和情况进行了仿真分析，从而为研究饱和问题提供了依据。此基础上。提出了以二次电压为附加判据的TA饱和检测算法，仿真结果验证该算法能正确检测电流互感器饱和问题。
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| 关 键 词： | 电流互感器 饱和 仿真 PSCAD |
Analysis of Current Transformer Saturation Characteristics Based on PSCAD |
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| CHEN Wu-jia,ZHU Yong-hai.Analysis of Current Transformer Saturation Characteristics Based on PSCAD[J].Converter Technology & Electric Traction,2009(1):39-42. |
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| Authors: | CHEN Wu-jia ZHU Yong-hai |
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| Institution: | 1.Extra High Voltage Branch of Jiangxi Electric Company;Nanchang;Jiangxi 330006;China;2.Guangdong Tianlian Engineering Co.;Ltd.;Guangzhou;Guangdong 510600;China |
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| Abstract: | Current transformer is an important transfer equipment in electrical system.Its saturation may cause misaction and nonaction of computer relays.Using power system simulation software EMTP/PSCAD,the current transformer saturation characteristics is analyzed and the TA model is established in this paper.With different loads,the steady saturation and transient saturation of current transformer are simulated to provide evidence for analyzing the saturation characteristics of current transformers.Based on this,t... |
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| Keywords: | current transformer saturation simulation PSCAD |
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