| 新型螺旋管空心线圈电流互感器 |
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| 引用本文： | 彭春燕,周有庆,龚伟,曹志辉.新型螺旋管空心线圈电流互感器[J].电力系统及其自动化学报,2009,21(4). |
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| 作者姓名： | 彭春燕 周有庆 龚伟 曹志辉 |
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| 作者单位： | 湖南大学电气与信息工程学院,长沙,410082 |
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| 摘 要： | 空心线圈电流互感器无磁饱和,但感应信号小,易受外界电磁干扰。为解决此问题,提出一种新型螺旋绕线串接结构的空心线圈传感头,其互感系数大并能有效抗外界电磁干扰。文中介绍了其基本结构和工作原理,建立相应的数学模型,详细论述其电磁参数的计算方法,对自制的实验模型进行了线性度与抗干扰测试实验,对其频率特性进行了仿真分析。实验和仿真结果表明,其线性度好、抗干扰能力强、响应速度快、测量频率范围宽、动态范围大,理论上可以满足用于电力系统的电流互感器的要求。
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| 关 键 词： | 空心线圈 互感器 抗干扰 仿真 |
New Style Spiral Air Core Coil Current Transducer |
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| PENG Chun-yan,ZHOU You-qing,GONG Wei,CAO Zhi-hui.New Style Spiral Air Core Coil Current Transducer[J].Proceedings of the CSU-EPSA,2009,21(4). |
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| Authors: | PENG Chun-yan ZHOU You-qing GONG Wei CAO Zhi-hui |
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| Affiliation: | College of Electricity and Information Engineering;Hunan University;Changsha 410082;China |
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| Abstract: | Air-core coil current transducer is not in magnetic saturation,but its voltage signal is weak and vulnerable to outside magnetic interference.To solve this problem,a new-style air-core coil was proposed,which consisted of serial spiral coils in secondary winding,had big mutual inductance and strong ability of anti-electromagnetic interference.This paper illustrated its basic structure and mechanism,established a mathematic model,and analyzed calculation methods of the electromagnetic parameters in detail.Th... |
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| Keywords: | air-core coil transducer anti-interference simulation |
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