• 한국철도학회:학술대회논문집
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• 한국철도학회 2010년도 춘계학술대회 논문집
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• pp.1038-1043
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• 2010

According to the korea standard (KS)'s definition through 'KSC IEC 61643-1(2007), A SPD(Surge Protective Device) is an appliance designed to protect electrical devices from voltage spikes and the principal components used to reduce or limit high voltages can include one or more of the nonlinear components. 4 type of those nonlinear components are utilized in accordance with korea standard's IEC regulation. The SPD is installed the place(in and out side of installation for protecting damage due to the inflow of light surge) which we need by combination of nonlinear components. In this study, the analysis based on the characteristics of SPD from PF track circuit are discussed.

• 대한전기학회:학술대회논문집
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• 대한전기학회 2004년도 추계학술대회 논문집 전기설비전문위원
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• pp.26-31
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• 2004

System voltages of Republic of Korea have been diversified since 1970s due to the accelerated industrialization of the republic. Although the national standards on system voltages (i. e Korean Industrial Standards KSC 0501) were established in 1974, the standards were not adequately maintained in time. Consequently, national standards on system voltages has some discrepancy not only with the existing voltages of electrical systems of this country but also with the IEC standard voltages in terms of scope and technical requirement of standards. This study is to seek harmonization of national standard voltages with the IEC standards considering existing system voltages, relevant technical regulations and codes etc.

• Transactions on Electrical and Electronic Materials
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• 제18권1호
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• pp.35-41
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• 2017

This study looks at optimizinge light redistribution to improve the overall illuminance uniformity of commercial IRED modules. To obtain uniform illumination over a prescribed rectangular area, a freeform surface lens was evaluated using TracePro. The LED light overall illuminance uniformity regulated in KSC 7658 was verified using Relux software. Experimental test results showed 0.81 overall illuminance uniformity for rectangular light distribution of LED lights having a radiation angle of $80^{\circ}$. After fabricating prototype IRED lights based on these simulation results, illuminance performance was observed when used as actual IRED lighting with a nighttime CCTV system. Image observation photographs of the prototype $80^{\circ}$ rectangular IRED lights confirmed that object images can be seen clearly owing to high overall illuminance uniformity, and that dark regions of the CCTV screen were not shown.

• 한국화재조사학회지
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• 제11권1호
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• pp.75-90
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• 2007

본 논문에서는 국내에서 옥외에 설치한 계기용변성기의 화재원인을 분석한 것이다. 이는 KSC IEC와 같은 공인된 규정에 의해 준수되었고, 현장에서 입증이 가능하도록 전개되었다. 결과적으로, 공정의 마무리가 불량한 계기용변성기의 개스킷 부분에서 화재 원인을 찾아내었다. 화재 과정을 추정하면, 미체결 개스킷에 기인한 계기용변성기에 수분이 침투한 것이다.

• 대한전기학회:학술대회논문집
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• 대한전기학회 2008년도 제39회 하계학술대회
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• pp.209-210
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• 2008

고부가 서비스용 수용가 통합자원관리 시스템에 관련된 국내외 표준에 대해 조사하였다. 국가 표준은 KSC 부문이 있고, 국제 표준은 주로 IEC가 제정한 것이다. 그밖에 여러 국제 표준화 기구가 있지만 고부가 서비스용 수용가 통합자원관리 시스템 개발에 적용될 수 있는 국제 표준을 찾을 수는 없었다. 그래서 고부가 서비스용 수용가 통합자원관리 시스템을 개발하는 과정에서 필요하다고 생각되는 표준이 국내외 표준으로 제안되는 것이 좋겠다. 제안되는 표준안이 국내외에서 표준으로 채택된다면 다양한 기술 개발안이 연구되며 경쟁함으로써 빚어지는 연구역량의 낭비를 줄이고, 기술의 진보 방향을 우리나라에서 주도함으로써 미래 기술 영역을 선점하는 효과를 기대할 수 있을 것이다.

• 말소리와 음성과학
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• 제10권2호
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• pp.1-6
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• 2018

The current study aimed to investigate the transfer of English word stress rules to the production of Korean trisyllabic words by L1 English learners of Korean. It compared English and Korean speakers' productions of seven Korean words from the corpus L2KSC (Rhee et al., 2005). To this end, it analyzed the syllable duration, intensity, and pitch. The results showed that English and Korean speakers' pronunciations differed markedly in duration and intensity. English learners produced word-initial syllables of greater intensity than Korean speakers, while Korean speakers produced word-final syllables of longer duration than English learners. However, these differences between the two speaker groups were not related to the expected L1 transfer. The tonal patterns produced by English and Korean speakers were similar, reflecting L1 English speakers' learning of the L2 Korean prosodic system.

• 한국원자력학회:학술대회논문집
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• 한국원자력학회 1995년도 추계학술발표회논문집(2)
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• pp.847-852
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• 1995

A shielding analysis for KSC-7, the shipping cask for transporting the 7 PWR spent fuel assemblies, has been carried out. Radiation source term has been calculated on spent fuel with burnup of 50,000 MWD/MTU and 1.5 years cooling time by ORIGEN2 code. The shielding calculation for the cask has been made by using MCNP4A code with continuous cross section data library from ENDF/B-V. As a result of neutron dose rate analysis, another shielding calculational model on spent fuel shipping cask was provided which is using the Monte Carlo method.

• 한국정보과학회 언어공학연구회:학술대회논문집(한글 및 한국어 정보처리)
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• 한국정보과학회언어공학연구회 1991년도 제3회 한글 및 한국어정보처리 학술대회
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• pp.99-117
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• 1991

본 연구에서는 자판배열의 과학적인 비교분석이 필요하다는 인식을 바탕으로 자판배열과 운지법에 따라 변하는 운지거리, 글쇠의 타수 및 연타수의 관점에서 KSC 5715-2벌식자판, 공병우 390-3벌식자판 및 ISO에 제출된 북한의 표준한글자판의 성능을 평가하였다. 그 구체적인 방법으로는 타자모의실험기를 작성하여 입력하는 글의 종류에 따른 각 자판배열의 성능을 비교분석하였다. 그리고 컴퓨터 모의 실험기를 작성했으므로 언급된 자판뿐만이 아닌 다른 자판도 그 자판의 자소배열과 운지법만을 추가 입력함으로써 같은 조건하에서 비교 분석할 수 있다.

• 전자공학회논문지B
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• 제29B권10호
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• pp.100-112
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• 1992

In this paper, an integrated document input/output system is developed which constructs the graphic document from a text file, converts the document into encoded facsimile data, and also recognizes printed/handwritten alphanumerics and Korean characters in a facsimile or graphic document. For an output system, we develop the method which generates bit-map patterns from the document consisting of the KSC5601 and ASCII codes. The binary graphic image, if necessary, is encoded by the G3 coding scheme for facsimile transmission. For a user friendly input system for documents consisting of alphanumerics and Korean characters obtained from a facsimile or scanner, we propose a document recognition algirithm utilizing several special features(partial projection, cross point, and distance features) and the membership function of the fuzzy set theory. In summary, we develop an integrated document input/output system and its performance is demonstrated via computer simulation.

• 조명전기설비학회논문지
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• 제28권6호
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• pp.1-6
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• 2014

In KSC 3706, the gymnasiums are classified according to their size(small, medium, large) and there are two kinds of illumination arrangement method for them such as Side and Distributed. The characteristic of the distributed illumination arrangement method is excellent in uniformity and the characteristic of the side illumination arrangement method is excellent in glare. but illuminations were so diverse that features are not always applicable. So in this paper, in this paper, We analyzed characteristic of distributed illumination arrangement method and side illumination arrangement method using nine illumination.