| 基于巨磁电阻效应的电流传感器技术及在智能电网中的应用前景 |
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| 引用本文： | 何金良,嵇士杰,刘俊,胡军,王善祥.基于巨磁电阻效应的电流传感器技术及在智能电网中的应用前景[J].电网技术,2011(5):8-14. |
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| 作者姓名： | 何金良 嵇士杰 刘俊 胡军 王善祥 |
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| 作者单位： | 电力系统及发电设备控制和仿真国家重点实验室(清华大学电机系);斯坦福大学磁纳米技术中心; |
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| 基金项目： | 国家自然科学基金项目(51077085,51028701)~~ |
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| 摘 要： | 介绍智能电网中电流的传感和量测技术发展的要求和新趋势,阐述智能电网中各种电流传感器的原理和特点,比较了传统电磁式电流传感器(如CT,罗氏线圈,霍尔)和几种新型的电流传感器(如光纤,巨磁电阻)的优缺点。在分析智能电网的电流测量需求的基础上,结合巨磁电阻(giant magneto resistive,GMR)电流传感器的研究内容着重展望了GMR电流传感器在智能电网中的应用前景。最后总结了GMR传感器在智能电网测量应用中的优势和不足,并针对这些不足,指出了后续研究的方向。
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| 关 键 词： | 电流传感器 分布式测量 巨磁电阻效应 智能电网 |
Review of Current Sensor Technology Based on Giant Magneto Resistive Effect and Possible Applications for Smart Grids |
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| HE Jinliang,JI Shijie,LIU Jun,HU Jun,WANG Shanxiang,Haidian District,Beijing ,China,.Center for Magnetic Nanotechnology,Stanford University,CA ,USA.Review of Current Sensor Technology Based on Giant Magneto Resistive Effect and Possible Applications for Smart Grids[J].Power System Technology,2011(5):8-14. |
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| Authors: | HE Jinliang JI Shijie LIU Jun HU Jun WANG Shanxiang Haidian District Beijing China Center for Magnetic Nanotechnology Stanford University CA USA |
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| Affiliation: | HE Jinliang1,JI Shijie1,LIU Jun1,HU Jun1,WANG Shanxiang2(1.State Key Lab of Control and Simulation of Power Systems and Generation Equipments (Dept.of Electrical Engineering,Tsinghua University),Haidian District,Beijing 100084,China,2.Center for Magnetic Nanotechnology,Stanford University,CA 94305,USA) |
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| Abstract: | The requirements and trends of current sensing and measuring technology in smart grids are presented,and the principles and features of current sensors for smart grids are expounded.The merits and demerits of several traditional current sensors such as CT,Rogowski coil and Hall sensors as well as those of several new types of current sensors such as optical fiber CT and giant magneto resistive(GMR) current sensors are compared.The requirement of current measurement in smart grid are analzyzed.Combining with... |
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| Keywords: | current sensor distributed measurement giant magneto resistive(GMR) effect smart grids |
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