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首页> 外文期刊>British Journal of Applied Science and Technology >Action of EM Disturbances on the Availability andRange of Indoor PLC Transmitters and Impact ofRadiation on the Environment around Channel
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Action of EM Disturbances on the Availability andRange of Indoor PLC Transmitters and Impact ofRadiation on the Environment around Channel

机译：电磁干扰对室内PLC变送器可用性和范围的影响以及辐射对通道周围环境的影响

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摘要

The use of power lines for transmission of broadband data for applications such as Internet access or home automation, is certainly very attractive, but the problem of electromagnetic interference and radiated caused by these new systems. Risk of interference to radio reception is mainly approached in the frequency band ranging from 1 MHz to 30 MHz allocated to power line communication (PLC) and covers including HF. The experimental study throughout this work show that the coupling factor has a strong dependence relative to the measurement location, to the topology of the electrical network and to a lesser degree, relative to the level of the load impedance. Thus, we made possible an estimate of the radiated field for a known injected signals. Experimental characterization of the indoor measurement also showed that the field values are dispersed; against for outdoor a proportional decrease relative to the distance can be observed. The different results permit to deduct a few orders of magnitude as well as some simple rules of use for minimizing exposure while allowing normal operation of the application level. In all cases, measured or simulated covered by the study, the required levels are met. In situ measurements show that human exposure to the electric field radiated by the PLC network is very small ( 1 V/m) compared to the reference limits.
机译：使用电力线传输宽带数据以用于诸如Internet访问或家庭自动化之类的应用无疑是非常吸引人的，但是这些新系统会引起电磁干扰和辐射问题。对无线电接收的干扰风险主要在分配给电力线通信（PLC）且覆盖范围包括HF的1 MHz至30 MHz范围内进行。贯穿这项工作的实验研究表明，耦合因数相对于测量位置，电网拓扑和较小程度（相对于负载阻抗的大小）具有很强的依赖性。因此，我们可以估计已知注入信号的辐射场。室内测量的实验特性还表明，场值是分散的。相对于室外，可以观察到相对于距离成比例的下降。不同的结果允许扣除几个数量级以及一些简单的使用规则，以使曝光最小化，同时允许应用程序级别的正常运行。在本研究涵盖的所有情况下，无论是测量还是模拟，都满足要求的水平。原位测量表明，与参考限值相比，人为暴露在PLC网络辐射的电场中非常小（<1 V / m）。

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