工频磁场是指交流输变电设施产生的磁场。工频又称电力频率。工频的特点是频率低、波长长。我国工频是50赫(Hz)，波长是6000千米(Km)。移动互联网经济的高速增长带来了云数据中心的飞速发展。我国在建和拟建的电信系统的云数据中心(IDC)占地面积巨大、用电量巨大，需要建设1个甚至多个高压变电站对其独立供电，如廊坊云数据中心，占地面积533000m2，用电量达590MVA，需要5个110 kV 变电站对其进行独立供电。
... Constant magnetic fields 恒定磁场 ; 恒磁场 power frequency magnetic fields 工频磁场 galactic magnetic fields 银河磁场 ...
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... 工矿企业 industrial and mining enterprise 工频磁场 50Hz magnetic fields 工频磁场 Power Frequency Magnetic Field ...
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工频磁场搞扰度 PMS
工频磁场抗扰度测试 Power Frequency Magnetic Field Immunity ; PFMF
工频磁场抗扰度 PMS ; PFMF ; MS
工频磁场抗扰 PFMF
工频磁场发生器 Power frequency magnetic field generator
工频磁场之特性 Power-Magnetic Fields Characteristics
观察慢性工频磁场 extremely low frequency magnetic field ; ELF-MF
工频电磁场 frequency electromagnetic field ; power frequency electromagnetic field ; PFEMF
The electromagnetic parameter of power transmission include: power frequency electrical field, power frequency magnetic field, radio inference (RI) and audible noise (AN).
输电线路的电磁环境参数主要包括工频电场、工频磁场、无线电干扰和可听噪声四个方面。
参考来源 - 超高压及特高压输电线路的电磁环境研究From the point of view of power-frequency magnetic field shielding, the erection measure of low-resistivity protection body was firstly proposed in the paper.
从工频磁场屏蔽的角度,首先提出了对电抗器架设低电阻率防护体的措施。
参考来源 - 空心电抗器工频磁场计算及改善磁场分布的研究After that, the paper makes a reaseach on the mathematic model of power frequence magnetic field of high voltage transmission lines by means of Ampere circuital theorem, and the distribution pattern of power frequence magnetic field is summarized.
利用安培环路定律,建立了架空输电线路工频磁场的一般数学模型,通过对算例的仿真分析,总结了地面附近工频磁场的分布规律。
参考来源 - 高压输电线路工频电磁效应研究·2,447,543篇论文数据，部分数据来源于NoteExpress
输电线路的电磁环境参数主要包括工频电场、工频磁场、无线电干扰和可听噪声四个方面。
The electromagnetic parameter of power transmission include: power frequency electrical field, power frequency magnetic field, radio inference (ri) and audible noise (an).
为了研究建筑物配电房母线产生的工频磁场，根据配电房大电流母线集肤效应显著的特点，提出了采用模拟电流法对三相母线的矢量磁位进行计算。
Current distribution in three-phase cylindrical buses is calculated through simulation current method and magnetic field surrounding the buses can be calculated too after that.
参考国外相关资料，对工频电磁场给人体健康带来的危害进行了较为详细的介绍，并对相应的防范措施作了一些说明。
Harm on humans health caused by power frequency electromagnetic field is given in detail, with reference on related materials of foreign countries. Corresponding protection measures are described.
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