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IEC 60364 기반의 한국형 저압전기설비 통합 실증단지 모델링 및 차단기와 케이블의 선정 방안 고찰
김두웅(Doo-Ung Kim),류규상(Kyu-Sang Ryu),김한수(Han-Soo Kim),신대성(Dae-Sung Shin),류기환(Ki-Hwan Ryu),김철환(Chul-Hwan Kim) 한국조명·전기설비학회 2015 조명·전기설비학회논문지 Vol.29 No.9
IEC is an international standards which are used in many countries with Europe as the center. IEC standard is introduced in Korea according to WTO/TBT agreements, however until now there are no buildings in Korea which are designed applying IEC standard. Therefore, KEA(Korea Electric Association) is scheduled to construct Korean low voltage electrical installation integration test site which is designed applying IEC standard. In this paper, before being under construction of Korean low voltage electrical installation integration test site, power substation is modeled based on real design parameters and method to select circuit breakers and cables is presented applying IEC standard in the modeled power substation. EMTP(ElctroMagnetic Transient Program) is used for simulation program. EMTP which is power system analysis program is easy to model power system and power substation.
국제 표준(IEC)에 의한 접지 설계 및 이에 대한 안전성 분석 · 평가
김두웅(Doo-Ung Kim),조만형(Man-Hyung Cho),김한수(Han-Soo Kim),신대성(Dae-Sung Shin),류기환(Ki-Hwan Ryu),김철환(Chul-Hwan Kim) 한국조명·전기설비학회 2015 조명·전기설비학회논문지 Vol.29 No.10
In this paper, we evaluate safety of grounding system which is designed according to IEC standards. Safety assessment of construction site and grounding system of building is needed before construction for the safety of human in building. Until now, in case of domestic field, design of grounding system is proceeded based on methods which are proposed in IEEE Std. 80. In other words, it is not in the situation that grounding system is designed based on IEC standards. Therefore, we propose a method which designs grounding system and evaluates safety of it according to IEC standards. We measure ground resistance of construction site using measuring equipment of ground resistance. Using this value, soil structure and ground resistivity are obtained through program analysis. CDEGS program of SES company is used for simulation analysis.