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국내 논문지

홈 홈 > 연구문헌 > 국내 논문지 > 전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

Current Result Document : 21 / 22 이전건 이전건   다음건 다음건

한글제목(Korean Title) 배전계통의 고저압 혼촉고장시 중성선 전위상승에 따른 저압기기 스트레스 전압
영문제목(English Title) Transferred OverVoltages on LV sides in Multigrounded Neutral during Line to Ground Fault on Distribution Systems
저자(Author) 최선규   최종기   김경훈   최명호   이병성   Sun-Kyu Choi   Jong-Kee Choi   Kyoung-Hun Kim   Myeong-Ho Choi   Byung-Sung Lee  
원문수록처(Citation) VOL 61 NO. 06 PP. 0910 ~ 0915 (2012. 06)
한글내용
(Korean Abstract)
영문내용
(English Abstract)
In this paper we propose multi-grounded neutral design method which was considered of transferred transient overvoltage when line to neutral fault occurs. Specially, In order to confirm the actual transient overvoltage magnitude which occurs on neutral line, we considered some screening(shielding) effects. The screening coefficient was deducted from field test results and calculation in a distribution line which is identical with an actual power line. The purpose of this paper is to attempt to suggest the guidance for grounding skystem design considering limitation of overvoltage for LV side in IEC 61936. The result is based on EMTP simulation and real field faults situation in distribution lines.
키워드(Keyword) Transferred overvoltage   Multi-grounded neutral   Line-Neutral fault   EMTP   Field test  
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