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논문 기본 정보

자료유형
학술저널
저자정보
이복희 (Inha University) 유양우 (KwangMyung Electric) 김유하 (KwangMyung Electric)
저널정보
한국조명·전기설비학회 조명·전기설비학회논문지 조명·전기설비학회논문지 제33권 제4호
발행연도
2019.4
수록면
66 - 73 (8page)
DOI
10.5207/JIEIE.2019.33.4.066

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이 논문의 연구 히스토리 (2)

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Surge protective device(SPD) is installed to discharge surge voltages and currents invaded to communication or power lines to the ground. The protective performance of SPDs depend on methods of connecting the grounding conductors of SPDs and equipment to be protected. This paper presents experimental results of effects of induction voltage from grounding conductors of SPDs on their protective performance. The protective effects of SPDs were investigated in cases where the grounding conductor is connected to the grounding terminal close to SPD or equipment. Also electrostatic and electromagnetic induction voltages to communication or power lines from grounding conductor of SPDs were examined. As a result, the residual voltage between the power line and grounding terminal of equipment to be protected is significantly higher than the clamping voltage of SPD when the grounding conductor of SPD is connected to the grounding terminal close to the equipment due to the induction of grounding conductor. However, the residual voltage is minimized when the grounding conductor and communication or power lines are installed very close to each other. The impulse voltages caused by electrostatic and electromagnetic induction to communication or power lines from the grounding conductor of SPDs were decreased with increasing the distance between the grounding conductor and communication or power lines.

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Abstract
1. 서론
2. 본론
3. 결론
References

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UCI(KEPA) : I410-ECN-0101-2019-565-000547065