• 대한전기학회:학술대회논문집
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• 대한전기학회 2004년도 하계학술대회 논문집 C
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• pp.1799-1801
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• 2004

We have developed the external-type PD sensors for detecting of the electromagnetic waves up to ultra high frequency (UHF) bands, propagating in various type of GIS. Sufficiently high sensitivity and accuracy for practical use were achieved for the external PD sensor. The experience at the fields and the criteria for the judgment are also discussed in detail.

• 대한전기학회:학술대회논문집
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• 대한전기학회 2004년도 하계학술대회 논문집 C
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• pp.1766-1768
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• 2004

This paper describes the prediction of location of PD signals in GIS using the difference in the measured time between first and second wave arrival by the external-type PD sensors. It is well accepted that the electromagnetic wave in GIS propagates at the velocity of $3{\times}10^8$m/s. Consequently, we could identify the location of PD with high accuracy. The experience at the fields and the problems for the judgment are also discussed in detail.

• 대한전기학회:학술대회논문집
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• 대한전기학회 2003년도 하계학술대회 논문집 C
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• pp.1644-1646
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• 2003

This paper presents recent studies on the on-line insulation monitoring and diagnostic systems for transformers developed by HHI. Sufficiently high sensitivity and accuracy for practical use were achieved for the system, combined with communication networks to provide an on-line remote monitoring system. Several alarm criteria are formulated to enable a superimposed monitoring system to perform decisive action. The reasons for monitoring the condition and maintaining the health of electrical apparatus were discussed. The experience at the fields and the criteria for the judgment are also discussed in detail.

• 대한전기학회:학술대회논문집
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• 대한전기학회 2004년도 춘계학술대회 논문집 전기설비전문위원
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• pp.91-93
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• 2004

This study presents recent trends on the on-line monitoring and diagnostic systems for oil-immersed transformers. Specially, our system on Yeo Su thermal power plant is introduced for high sensitivity and accuracy of ours. It is combined with communication networks to provide an on-line remote monitoring system. Several alarm criteria are formulated to enable a superimposed monitoring system to perform decisive action. The reasons for monitoring the condition and maintaining the health of electrical apparatus were discussed. The experience at the fields and the criteria for the judgment are also discussed in detail.

• 대한전기학회:학술대회논문집
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• 대한전기학회 2004년도 춘계학술대회 논문집 전기설비전문위원
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• pp.125-127
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• 2004

We have developed the external-type PD sensors for detecting of the ultra high frequency (UHF) signals in various type of GIS. Sufficiently high sensitivity and accuracy for practical use were achieved for the PD sensor. The experience at the fields and the criteria for the judgment are also discussed in detail.

• 한국치위생학회지
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• 제20권1호
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• pp.95-106
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• 2020

Objectives: This study was conducted to investigate the effects of dental hygienists' job satisfaction on turnover intention and intention to stay. Methods: A survey was conducted targeting 273 dental hygienists in dental clinics. The study data were u analyzed using PASW Statistics 20.0 Results: The level of job satisfaction of dental hygienists was 3.30±0.50, and the highest ranked item in the survey was 'I am satisfied with my relationships with patients' 3.72±0.73. Job satisfaction according to general characteristics showed significant differences in age, marriage, education, career, current work experience, position, and schedule for future turnover. The turnover intention according to general characteristics showed significant difference in age and schedule for future turnover. The intention to stay according to general characteristics showed significant differences in age, marriage, education, career, current work experience, number of dentists, number of dental hygienists, and schedule for future turnover. The factors affecting turnover intention were schedule for future turnover, income, co-worker relation and professional time, while those affecting intention to stay were overall professional satisfaction, co-worker relation, schedule for future turnover, professional time, income, number of dental hygienists, patient relations and current work experience. Conclusions: Job satisfaction factors that had a common effect on turnover intention and intention to stay were schedule for future turnover, income, co-worker relation and professional time. To reduce turnover and encourage longevity, adequate pay and positive interpersonal relationships are necessary.

• 한국콘텐츠학회논문지
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• 제21권5호
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• pp.446-464
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• 2021

본 연구는 청소년들의 스마트폰 사용이 증가됨에 따라 사이버폭력을 예방하기 위한 대안을 모색하기 위하여 청소년의 학교폭력 경험과 사이버폭력의 관계에서 인권감수성과 또래동조성의 다중매개효과를 검증하는데 연구 목적이 있다. 이러한 연구목적을 달성하기 위해 부산 시내에 소재한 교육청 별로 중학교 4곳을 선정하여 중학생 908명을 대상으로 분석하였다. 연구결과는 다음과 같다. 첫째, 학교폭력 경험은 사이버폭력에 영향을 미치는 것으로 나타났다. 둘째, 학교폭력 중 가해경험과 방관경험은 인권 감수성에 영향을 미쳤으나 피해경험은 인권감수성에 영향을 미치지 않았다. 셋째, 학교폭력경험 중 피해경험과 가해경험은 또래동조성에 영향을 미쳤으나 방관경험은 또래동조성에 영향을 미치지 않았다. 넷째, 인권감수성은 사이버폭력에 영향을 미쳤다. 다섯째, 또래동조성은 사이버폭력에 영향을 미쳤다. 여섯째, 인권감수성은 또래동조성에 영향을 미쳤다. 일곱째, 인권감수성 중 방관경험은 방관경험과 사이버폭력을 매개하는 것으로 나타났으나, 피해경험과 가해경험은 인권감수성과 사이버폭력에서 매개효과가 발생하지 않았다. 여덟째, 또래동조성은 피해경험, 가해경험 모두 사이버폭력을 매개하는 것으로 나타났으나 방관경험과 사이버폭력 사이에서는 매개효과 없는 것으로 나타났다. 아홉째, 인권감수성과 또래조성은 방관경험과 사이버폭력 관계를 순차적으로 매개하는 것으로 나타났다. 그러나 인권감수성과 또래조성은 피해경험과 가해경험 사이에서 사이버폭력을 순차적으로 매개하지 않았다. 본 연구의 시사점은 청소년의 학교폭력 피해경험, 가해경험, 방관경험이 사이버폭력에 미치는 효과와 인권감수성과 또래동조성의 다중매개효과를 검증하여 청소년의 학교폭력 경험이 사이버폭력에 미치는 영향에서 피해경험, 가해경험, 방관경험을 가진 청소년이 사이버폭력의 중복경험을 하지 않기 위한 사회복지 역할을 모색하고, 사이버폭력 예방을 위한 실천적, 정책적 방안을 제시하였다는데 의의가 있다.

• The Journal of Asian Finance, Economics and Business
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• 제7권12호
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• pp.969-976
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• 2020

The role of customers has changed from that of passive users to value co-creators. Therefore, it is important to understand how customer learning takes place and how it affects customer experiences with services and products. However, while past studies insist on the importance of the issues in designing customer experiences, they do not empirically address these issues. This study investigates the support processes for customer learning, and their impact on customer learning, which in turn influences customer experience. To test the hypotheses, we employed the survey method. Target informants were the actual users of Apple iPods. A total of 200 survey questionnaires were distributed and 146 were collected. Among these, seven erroneous responses were excluded, leaving 139 usable ones. The proposed model was empirically analyzed using the Covariance-based SEM (Structural Equation Modelling) technique. The findings of this study suggest that, among the three support processes in customer learning, learning-by-doing support and learning-by-investment support positively affect customer learning, which influences customer experience. This study contributes to the literature by identifying different types of support for different kinds of customer learning processes and by empirically testing the impact of the support for the process on customer learning, and in turn, its impact on customer experience.

• Journal of Korea Trade
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• 제27권4호
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• pp.101-122
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• 2023

Purpose - Acknowledging the limitations of the widely-used concept of destination image, this study proposes the concept of tourism image using trade in tourism service on the basis of Leiper's (1990) tourism system. This new concept incorporates an image formed from South Koreans focusing on the tourist holistic experience relevant to the United States based on the tourist rather than the tourism destination. Design/methodology - A convergent parallel mixed-methods study design constituted the concept, which emerges from the analysis of narratives and quantitative examinations of South Koreans focusing on tourism experience to the United States. Findings - The study considers the following aspects in addition to destination image: first, images formed outside the destination, e.g., in the tourist generating region and the transit region; second, non-hedonic images, which are a part of the tourist experience despite not directly involving a visit to the tourist attractions; and third, non-service-driven elements, such as co-created destination images formed from interaction with residents and fellow tourists. Originality/value - The tourism image concept allows consideration of aspects that have been overlooked in destination image studies yet may affect the image of the tourism experience.

• 한국컴퓨터정보학회논문지
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• 제28권3호
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• pp.177-187
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• 2023

이 연구는 교육서비스 관점에서 MOOC의 질 평가를 위한 잠재모형을 도출하고 신뢰롭고 타당한 MOOC 질 평가도구를 개발하고 타당화하는 데 목적이 있다. 연구목적을 달성하기 위해 선행 연구결과에 기초해서, MOOC 평가 잠재모형(4개 요인과 8개 하위요인)을 도출하였다. 이 잠재모형을 토대로 18개 예비 평가문항을 개발한 후, 대학 원격수업 경험이 있는 학습자 138명을 대상으로 문항중요도 설문을 실시하였다. 수집된 136개의 자료를 활용하여 탐색적 요인분석 결과, 수집된 데이터에서 4개의 요인(체제적 학습 경험, 가치 경험, 가치 경험의 공동 창조, 고차원 학습경험)과 7개의 하위요인(실제성, 신뢰성, 확신성, 반응성, 조직환경 체계성, 프로그램 체계성, 학습자 지지의 체계성, 공동주도성)으로 추출되었다. 신뢰도 분석결과, 선정된 문항들은 각 척도를 구성하는 문항으로서 높은 내적합치도를 보였다. MOOC에 대한 평가도구는 타당하고 신뢰할 수 있다는 결론을 내릴 수 있다.