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강창원,최길수,한성배,김범수,정연해,이기철,Kang, Chang-Won,Choi, Gil-Soo,Han, Sung-Bae,Kim, Bum-Soo,Chung, Yeon-Hae,Lee, Ki-Cheol 한국전기기술인협회 2001 電力技術人 Vol.228 No.8
우리나라에서는 3 Θ 4w 배전방식을 채택하고 있는데 최근에는 컴퓨터 등 OA 기기 사용증가로 이때 발생하는 영상분 고조파에 의하여 중성선에 상전류 보다 큰 전류가 흐르게 된다. 고조파에 의한 중전선 과전류는 케이블, 변압기, 과열소손, 변압기, 발전기 출력저하, 역률저하, 전력손실 증가, ELB, MCCB 오동작, 유도장해, 중성선 대지전위 상승 등 심각한 장애를 일으키고 있다. Wide use of non-linear loads such as personal computers, monitors, laser printers, variable speed drives, UPS systems and other electronic equipment have led to harmonics becoming #1 issue in the electrical industry today. Commercial and Industrial building power distribution systems, designed for the old, linear-style loads especially when found in high densities. Some common power system problems include overloaded neutral conductors, overheated distribution transfOlmers, high neutral-to-ground voltage, poor power factor and distortion of the voltage waveform supplying these loads. The power quality problems, particularly high voltage distortion, have been known to cause equipment downtime due to malfunctions and component failure.
벤처기업의 위기관리 : 개념적 모형 접근 A Conceptual Model Approach
전영일,현승용,최길수 동아대학교 경영대학 2003 經營硏究 Vol.- No.16
The purpose of this study is to develop a conceptual model that represents the relationship between problems, which cause to bring crisis, and dominant activities for success in venture business. Result of research are summarized as follows; First, the seven problems factors that can bring the crisis in venture business are categorized such as; financial management problem, sales/marketing problem, production/operation management problem, human resource management problem, organization system problem, problem in role of CEO, and external organization problem. and It was found that six dominant activity factors for success in venture business; human/organization activity, marketing activity, financial activity, production/operation activity, strategic estimation activity, and supplier relationship activity. Second, the positive significant correlation are shown among factors in the problems category. Also same pattern of correlation is shown to be valid in successful activity category. Third, However the negative correlation is shown between problem factors group and activity factors group. Finally, Based on correlation analysis, we proposed the conceptual model of crisis management in venture business. The proposed conceptual model will be analyzed empirically in the near future and this will be helpful for managing the successful venture business.