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이주철(Lee, Ju-Cheol) 국제고려학회 서울지회 2011 국제고려학회 서울지회 논문집 Vol.14 No.-
Kim Jong-un was appointed as vice-chairman of the Central Military Commission of North Korea’s Workers’ Party in Sep. 2010, and assumed the leadership when Kim Jong-il died of sudden death in Dec. 2011. This article intends to forecast the Kim Jong-un regime in comparison to the historical experiences of Joseon Kingdom. There is a difference between Joseon Kingdom and modern society, but it is important to compare the two. These share not only regional and foreign relations characteristics of the Korean peninsula, but also ethnic, cultural, historical and ideological ones of Korean communities. Joseon Kingdom experienced historical lessons while changing 27 kings during more than 500 years, and which is the meaningful references in the succession of the successor issue of Kim Jong-un. Sovereign powers in the Joseon Kingdom history were lost in these cases : King did not have self-defense power, lost upper-class ruling power support because of the tyranny, was challenged by opposition forces due to policy conflicts, and when the strong outside national power attempted unification, the case happened. In current North Korean regime, the possibility is in the case of attempt of strong outside national power’s unification and opposition force growth due to policy conflicts. Judging by the historical experiences of succession to the throne of Joseon Kingdom, it is a formidable task that Kim Jong-un takes the throne and maintains it.
이주철(Ju-Cheol Lee),김재철(Jae-Chul Kim) 한국조명·전기설비학회 2015 조명·전기설비학회논문지 Vol.29 No.2
There are provision for risk analysis in IEC standards. It is to determine the need for installation of a surge protection device (SPD) in order to protect the low-voltage electrical installations from overvoltages caused by atmospheric phenomena and the like. However, scattered many related standards, the lack of details are not easy to apply it in the field. We investigated the relevant domestic and international standards for applies to the international standards in domestic. And we proposed the flow chart for determining the need for protection of the low-voltage electrical installations from overvoltage due to atmospheric phenomena and it set the appling target facility.
콘크리트에 매입된 기초접지극의 크기 및 설치방법에 관한 고찰
이주철(Ju-Cheol Lee),이영철(Young-Chul Lee),김재철(Jae-Chul Kim) 한국조명·전기설비학회 2013 조명·전기설비학회논문지 Vol.27 No.7
IEC standards do not require to limit the earthing resistance of the concrete-embedded foundation earthing electrode which is installed to a specific value. However, in Korea the value of 5Ω and below applies to the earthing resistance for a domestic customer whose receiving voltage is 22.9㎸. This paper calculates the minimum area and volume of the concrete-embedded foundation earthing electrode in order to obtain a specific value of the earthing resistance when the electrode of the building’s lightning protection system and that of its power system are interconnected. It also suggested the most appropriate method of installing the foundation earthing electrode, taking the electric characteristics of concrete into account.
피뢰시스템 구성부품 중 금속접속재의 성능시험 및 결과분석
이주철(Ju-Cheol Lee),이안기(An-Ki Lee),김재철(Jae-Chul Kim) 한국조명·전기설비학회 2014 조명·전기설비학회논문지 Vol.28 No.7
Recently, IEC published new standards about the requirements and tests for lightning protection system(LPS) components. If components are used for LPS, they should comply with the IEC standards. This paper, we collected six specimens for the metallic connection components using in domestic, and it tested for withstand lightning current which according to the IEC 62561-1. As a result, only one specimen meet this performance requirement. The specimen is the metallic connection component with four bolts fixed. Therefor, when designing of LPS in domestic, the metallic connection components shall be taken into account for the selection of the withstand lightning current. In addition, we need to develop for LPS components product and the national standards.
이주철(Ju-Cheol Lee),염진근(Jin-Geun Yeom),정승현(Seung-Hyun Jeong),변철균(Cheol-Gyun Byeon),김재철(Jae-Chul Kim) 한국조명·전기설비학회 2014 조명·전기설비학회논문지 Vol.28 No.8
In this paper, designing of an earthing system in accordance with international standards with regard to 22.9kV-y multi-grounded neutral system is discussed and confirmed that the consumer’s earthing system can be a part of a global earthing system by interconnecting its earthing system with the neutral conductor of 22.9kV-y multi-grounded system. Further, it is proposed that some modification of the earthing system design flowchart given in the international standards are necessary when considering the equipotential bonding, lightning protection, and telecommunications facilities as well as the basic safety requirements.
김정은 시대 북한 방송언론의 변화: 조선중앙TV를 중심으로
이주철 ( Ju Cheol Lee ) 북한연구학회 2014 北韓硏究學會報 Vol.18 No.2
김정은정권이 체제 유지의 목적을 달성하기 위해서는 국방력, 경제력과 함께 선전 기능이 중요하다. 특히 지금은 경제상황의 변화로 북한 주민의 외부 접촉이 크게 증가하고 있고, 기술적인 변화로 인해 다양한 외부 정보가 북한에 유입되고 있다. 이런 상황에서 김정일 사망 전부터 조선중앙TV는 부분적으로 변화를 해왔는데, 이 글은 조선중앙TV의 최근 10년 사이의 구체적 변화 실태를 정리한 것이다. 국내외의 다양한 어려움에 처한 김정은정권은 내부 선전수단을 강화하기 위해 많은 노력을 하고 있는데, 그 기본적인 시스템은 김정일시기의 방송 상황을 대부분 유지하는 것으로 나타나고 있다. 대부분의 프로그램 편성은 김정일 시기와 큰 차이가 없고, 오히려 김정은 우상화를 위한 프로그램은 김정일시기보다 강화되는 상황도 나타나고 있다. 동시에 조선중앙TV는 북한 시청자들을 끌어들이기 위한 변화를 시도하고 있다. 이러한 변화는 외국 축구 등 스포츠의 소개, 중국 드라마의 방영, ‘선정적’인 공연 등 오락의 확대와 증산을 위한 경제 선동 프로그램 확대, 외부 세계와 첨단 과학기술을 소개하는 등의 변화도 나타내고 있다. 국내외적 어려움에 봉착한 북한 상황에서 김정은정권이 안정되고, 경제적 성과 등을 통해서 인민들의 호응을 끌어내는 상황이 전개되기 전까지는 현재와 같은 방송구조가 지속될 것으로 전망할 수 있다. For Kim Jong-un`s regime to achieve its goal to maintain the system, propaganda as well as national defense power and economic power is of great importance. Particularly today, contacts with the outside among North Koreans are rapidly increasing as economic situations change, and various types of information is flowing into North Korea as technology advances. Against this background, Korean Central TV has partially changed even before the death of Kim Jong-il, and this article summarizes specific changes in Korean Central TV for the last 10 years. Facing various difficulties, home and abroad, Kim Jong-un`s regime is putting forth a lot of efforts into strengthening the means for internal propaganda. The current broadcasting system adopts the most of the former one in the times of Kim Jong-il. Most programs are little different except that programs to idolize the head of the state, Kim Jong-un, have been strengthened than before. In addition, Korean Central TV has attempted changes to attract North Korean viewers: foreign sports such as soccer games are introduced, Chinese soap operas are televised, entertainment programs including "sensational" performances are included, economy-boosting programs for production increase are added, and global news and cutting-edge technologies are also introduced. As North Korea is confronted with challenges in and out of the country, it is expected that the current broadcasting organization will continue until Kim Jong-un`s regime is firmly established and economic conditions become stable enough to receive favorable responses from the people.