稳恒电流的导体中能量传输问题
은항전류적도체중능량전수문제
The Problem of Energy Transfer in the Conductor with constant currene
  • 万方数据
    吉林师范大学学报：自然科学版 길림사범대학학보：자연과학판
    Jilin Normal University Journal:Natural Science Edition
    2012年 2期 148-150 ,共3页

    王家万%王亚夫

    왕가만%왕아부

    电场能量%磁场能量%电磁场能量密度%坡印亭矢量 電場能量%磁場能量%電磁場能量密度%坡印亭矢量
    전장능량%자장능량%전자장능량밀도%파인정시량
    energy of electric field%energy of magnetic field%electromagnetic energy density%poynting vector
    本文首先定性地分析了稳恒电流通过导体时产生的电场和磁场,以图形方式展示了电路中能量传输的图景.第二部分又定量的分析了稳恒电磁场在真空中的能量分布和传播问题.由此懂得了不是电源直接作用于用电设备为人类服务,而是通过电磁场的能量传输才起作用的.
    본문수선정성지분석료은항전류통과도체시산생적전장화자장,이도형방식전시료전로중능량전수적도경.제이부분우정량적분석료은항전자장재진공중적능량분포화전파문제.유차동득료불시전원직접작용우용전설비위인류복무,이시통과전자장적능량전수재기작용적.
    In this paper,we qualitatively analyzed the electric and magnetic fields generated when there was constant current in the conductor,displayed the energy transmission prospect in graphics mode in the first part.In the second part,we quantitalively analyzed the energy distribution and spread of steady electromagnetic field in a vacuum.It is not the power having the effect on the electrical equipment,but the electromagnetic field by energy transmission hauing the effect on the electrical equrpment.
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