http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
SCL을 이용한 Station HMI Auto-drawing기법에 관한 연구
김인웅(In-Woong Kim),김태완(Tae-Wan Kim),최면송(Myeon-Song Choi),이승재(Seung-Jae Lee) 대한전기학회 2008 대한전기학회 학술대회 논문집 Vol.2008 No.11
본 논문은 IEC 61850기반의 변전소 자동화 시스템에서 Station HMI의 표현기법을 Autodrawing 하는 방안을 제안하였다. 변전소 자동화 시스템 설계자가 IEC 61850 Standard에서 제안하고 있는 변전소 시스템 구성 언어인 SCL(Substation Configuration description Language)을 가지고 변전소의 정보들을 구성 하게 된다. 이러한 SCD파일에 있는 변전소의 모든 정보를 활용하여 Station HMI에 변전소의 단선도를 자동으로 Drawing하고 각 장치들의 상태정보를 도시화 하며 통신 상태까지 표시 할 수 있는 방법을 포함하고 있다. SCL 구조를 해석하여 Data Structure에 저장하고 그 유용성에 따라 자동 생성이 가능한 기법이다.
김인웅(Woong-In Kim),오동열(Dong-Yul Oh) 한국중독정신의학회 2000 중독정신의학 Vol.4 No.2
Background:A number of epidemiological and medical studies have clearly documented the negative effects of smoking on health. The purpose of this study was to figure out the prevalence of smoking and the relationship between smoking status and alcohol drinking. Method:This study was carried out from April, 10th, 2000 to May, 30th, 2000 in 448 male adult lived in Seoul. We performed by using questionnaire, which includes demographic data, smoking status, alcohol drinking history, and stress levels by using the ‘Brief Encounter Psychosocial Instrument (BEPI)’. Results:The never smoker, ex-smoker, and smoker (mild-smoker, moderatesmoker, and heavy-smoker) constituted 24.3%, 13.4%, and 62.3% (8.5%, 31.0%, and 22.8%) of subjects respectively. Among the demographic data, the factors that were significantly associated with smoking status were monthly income, religion, and physical exercise. Compared with non-smokers and ex-smokers, smokers were more likely to lower monthly income, not exercise actively, and have no religion. Among the relationship between smoking status and alcohol drinking, smokers had higher incidence of alcohol drinkers and higher frequency of alcohol drinking than non-smokers and exsmokers. Drinkers of heavy-smokers had higher amounts of alcohol drinking than never-smokers and mild-smokers. The age of alcohol drinking initiation preceded that of smoking initiation. There was no significant relationship between smoking status and the scores of BEPI. Conclusion:The smoking status was significantly associated with monthly income, religion, and physical exercise of life style and alcohol drinking. So we suggest that reduction of smoking play an important role in abstinence of alcohol drinking, reduction of alcohol consumption and better life style.
DC 비접지 급전계통 선택차단형 통합보호계전기 시뮬레이터 개발 및 알고리즘 테스트
안태풍(Tae-Pung An),윤준석(Jun-Seok Yun),정태영(Tae-Young Jung),김인웅(In-Woong Kim),정호성(Ho-Sung Jung) 대한전기학회 2012 전기학회논문지 Vol.61 No.6
In recent years, a lot of research was done for earth fault protection in ungrounded dc power supply system. As a result, selective-breaking integrated protective relaying system is developed in progress and is currently field-testing are planned. Algorithm on a PC using PSCAD done a lot of testing before performing field tests, but in this study developed algorithms and functions needed to determine whether they were operating normally. Therefore, simulated system is similar to the actual situation was required and made. selective-breaking algorithm verification and validation was performed with simulator.
DC 급전계통 선택차단형 통합보호계전기 보호요소 IEC 61850 Logical Node 설계
정태영(Tae-Young Jung),윤준석(Jun-Seok Yun),김인웅(In-Woong Kim),안태풍(Tae-Pung An),정호성(Ho-Sung Jung),김진호(Jin-Ho Kim) 대한전기학회 2012 전기학회논문지 Vol.61 No.3
There are several protective relays used to protect DC traction power supply system for DC railway. These relays, however, are made by different manufactures and they have different ways for their operations. Therefore, there are difficulties for cooperation between the devices or the devices and an upper system. In order to increase interoperability and stability of the system composed of devices made by different manufactures, IEC 61850 international standards are applied to design logical nodes for modeling protective elements used in protective relays.