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Effects of Segmented Shield Wires on Signal Attenuation of Power-Line Carrier Channels on Overhead Transmission Lines—Part II: Signal Attenuation Results Analysis

机译:分段屏蔽线对架空输电线上电力线载波通道信号衰减的影响-第二部分:信号衰减结果分析

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摘要

A previous paper has been written on the generalized modeling method of overhead transmission lines for use in power-line carrier (PLC) systems. Knowledge of the effects of shield wires on PLC signal attenuation for various coupling methods would be useful to relay engineers. In addition to the effect of the coupling method on PLC signal attenuation, other problems, such as resonance conditions resulting in high signal attenuation may also occur depending on the PLC signal frequency and the length of the shield wire segments. Therefore, the purpose of this paper is to provide awareness to relay engineers of problems that may arise when applying PLC systems on transmission lines with segmented shield wires.
机译:先前的论文已经写出了用于电力线载波(PLC)系统的架空传输线的通用建模方法。了解屏蔽线对各种耦合方法对PLC信号衰减的影响,对继电器工程师很有用。除了耦合方法对PLC信号衰减的影响外,取决于PLC信号频率和屏蔽线段的长度,还会出现其他问题,例如导致高信号衰减的谐振条件。因此,本文的目的是使继电器工程师意识到在将PLC系统应用于带有分段屏蔽线的传输线上时可能出现的问题。

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