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논문 기본 정보

자료유형
학술저널
저자정보
김인수 (Georgia Institute of Technology) 한웅 (성균관대학교) 여상민 (성균관대학교) 김철환 (성균관대학교) 원봉주 (전력IT추진처) 임용훈 (한국전력공사)
저널정보
대한전기학회 전기학회논문지 전기학회논문지 제58권 제3호
발행연도
2009.3
수록면
431 - 436 (6page)

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As the telecommunication lines bring into widespread use, one of the most important aspects related to power distribution systems is effectively to evaluate the effect on the telecommunication lines from power lines. One of the efficient methods to evaluate the effect is to measure the induced voltage of a telecommunication line as a result of a ground-loop. If the power lines cause high induced voltage, the ground reference in the telecommunication lines is no longer a stable potential, so signals may ride on the noise. A ground loop is common wiring conditions where a ground current may take more than one path to return to the grounding electrode at the arrangement between the power lines and telecommunication lines. When a multi-path connection between the power lines and telecommunication line circuits exists, the resulting arrangement is known as a ground loop. Whenever a ground loop exists, there are potential for damages or abnormal operations of the telecommunication lines. The power lines can induce the voltage on the communication line. The effects can be calculated by considering the inductances and capacitances. However, if we assume that there are only power lines, it doesn’t have a practical meaning because there are conductors with other purpose in the neighborhood of the lines. If we consider that case, we need more complex system. Therefore we suggest more complex system considering the conductors with other purpose in the neighborhood of the lines.
The neutral wires and the overhead ground wires are considered for calculating the induced voltage. We assume that there are the messenger wires beside the power line as a result of increased use of them. The main purpose of this paper is a study on a shielding effect of messenger wires in the distribution lines. EMTP(Electro-Magnetic Transients Program) program is used for the induced voltage calculation.

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Abstract
1. 서론
2. 조가선 차폐효과
3. 시뮬레이션 조건
4. 시뮬레이션 결과
5. 결론
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