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首页> 外文会议>International Symposium on Electromagnetic Compatibility >Measurements of the Radiated Electric Field and the Common Mode Current from the In-house Broadband Power Line Communications in Residential Environment
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Measurements of the Radiated Electric Field and the Common Mode Current from the In-house Broadband Power Line Communications in Residential Environment

机译：辐射电场的测量和住宅环境中内部宽带电力线通信的共模电流

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In Japan, in-house broadband power line communications (PLC) are regulated only in terms of the common-mode current (CMI) measured using an ISN with LCL=16dB, DMT=100Ω, and CMZ=25Ω. However it is not yet verified that such a regulation could suppress the radiated electric field strength (REF) at a distance of 10 meters below the ambient noise level (ANL). We have investigated the CMI, the differential-mode current (DMI) and the REF caused by the various commercial PLCs in a residential environment, and found; 1) the REF could exceed the regulation target as well as the ANL by more than 20dB even if the CMI satisfies the regulation, 2) the DMI is 40dB larger than the CMI, 3) no causality is found between the CMI or the LCL and the REF, 4) the CMI along the power line could exceed that measured at the PLC adapter by more than 20dB, and 5) the regulation target is 10dB larger than the ANL below 15MHz. It is concluded that the regulation has a serious flaw, and could not suppress the REF below the ANL.
机译：在日本，内部宽带电力线通信（PLC）仅在使用LCL = 16dB，DMT =100Ω和CMZ =25Ω的ISN测量的共模电流（CMI）方面进行调节。然而，尚未验证这样的调节可以抑制辐射的电场强度（REF）在低于环境噪声水平（ANL）的距离10米处。我们已经调查了住宅环境中各种商业PLC引起的CMI，差动模式电流（DMI）和裁定，并发现; 1）如果CMI满足调节，则REF可以超过调节目标以及ANL超过20dB，2）DMI是大于CMI的40dB，3）CMI或LCL之间没有发现因果关系。 REF，4）沿电源线的CMI可能超过在PLC适配器上测量超过20dB，5）调节目标大于15MHz以下的ANL。得出结论，该监管具有严重缺陷，无法抑制ANL以下的REF。

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