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보호계전기의 오동작에 의한 배전계통 신뢰도에 대한 연구
신정진(Jung-Jin Shin),이희태(Hee-tae Lee),김재철(Jae-Chul Kim) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
Protection system is important part in distribution system. Protection system in power systems can fail either by not responding when they should(failure to operate) or by operating when they should not(false tripping). Customers has dissatisfied that due to the failure of protection system. The reliability of distribution system also has influenced. However, the failure of protection system can reduced by the maintenance. This paper has focused on malfunction of protection system. The approach is based on Markov models.
대한민국 실내건축대전의 일반공모전에 출품된 작품 경향 분석 <학제별 및 학교별 통계분석을 중심으로>
신정진 ( Jung-jin Shin ) 한국고등직업교육학회 2001 한국고등직업교육학회논문집 Vol.2 No.3
This research is an analysis of the exhibited works and prize winners of the 'prize contest for general non-members' held as the 'Korea Interior Design Exhibition' from the year 1989 of the first contest to 2000, sponsored by Korean Society of Interior Architects/ Designers. The analyzed objects are 1,011 prize winners of 118 schools and 2,043 general persons, classified into the years, schools, educational systems and awarded fields. Among the schools, Sangmyung University steadily submitted works for the contest for the past 12 years and has the most winners. Four-year schools produced the most persons of 1,316. In the awarded fields, 857 works have been selected for the competition. Hongik Graduate School produced the grand prize winner. Konkuk University produced many prize winners evenly in each awarded field. By this analysis, the research intends to give the data instrumental in understanding the position of interior design as an expert field, and applying the contents to educational fields.