인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
크롬 서지관리 다운로드
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
피인용 0
초록·키워드
With the rapid global expansion of electric vehicles (EVs), ensuring the electrical safety and reliability of high-power EV charging infrastructure has become a critical issue. EV supply equipment (EVSE) operates under continuous high-voltage and high-current conditions, increasing the risk of thermal overload, arc flash, and ground faults major causes of electrical fires. In response, many— countries have established their own technical standards tailored to national contexts, while IEC 61851 serves as an international reference for the overall structure and modes of EV charging systems. The United States’ NEC Article 625 presents a quantitative framework for safe EVSE installation, incorporating requirements such as continuous load application, mandatory GFCI protection, and dedicated circuit designs. In contrast, Korea’s KEC 241.17 relies on load diversity factors, simplified protective device criteria, and lacks provisions for arc-flash hazard mitigation raising concerns over its adequacy in supporting high-capacity fast charging— environments. This study conducts a comparative analysis by applying both NEC and KEC Code to a model system composed of two 200 kW DC fast chargers and seven 7 kW AC slow chargers. The comparison focuses on load calculation, overcurrent protection sizing, fire prevention strategies, and circuit configuration. Through this evaluation, the study proposes technical recommendations for improving KEC in alignment with international best practices, with an emphasis on enhancing design, construction, and maintenance standards for EV charging infrastructure in Korea.
본문·목차
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