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Calculation of Radiative Electric Field Intensity of Overhead Medium-Voltage Power lines for Power Line Communication  

Chun Dong-wan (아주대학교 전자공학과 초고주파통신 연구실)
Park Young-jin (한국전기연구원 전기정보망 기술연구그룹)
Kim Kwan-ho (한국전기연구원 전기정보망 기술연구그룹)
Shin Chull-chai (아주대학교 전자공학과 초고주파통신 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.30, no.12A, 2005 , pp. 1136-1146 More about this Journal
Abstract
In this paper, the radiative electric field intensity due to the communication signal and conductive noise is calculated in overhead medium voltage power lines for power line communication. The input impedance is calculated by means of 2 port equivalent model of medium voltage power line network and basic transmission line theory. And then, currents is calculated by calculated input impedance and finally, the emissive electric field is calculated. The input impedance appears like a standing wave form with a fixed cycle because high reflection at the input terminal due to the characteristic impedance of medium voltage power line is very large. A calculated current and radiative electric field also appears like this form. From the measurement results, the measured results are very similar to the calculated results.
Keywords
Power line communication; Medium-voltage power line; Radiative electric field;
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