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A case study on the prevention and occurrence of fault in Transmission & Substation (변전설비의 보수 정비 사례 및 고장 실태 조사 연구)

  • Lee, Seog-Kyu;Park, Hee-Woo;Kim, In-Kun;Lee, Jong-Hak;Lee, Man-Seon
    • Proceedings of the KIEE Conference
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    • 1999.11b
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    • pp.83-85
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    • 1999

  • Recently, a rapid increase of electricity demands have made Transmission & Substation device large-sized. complicated and diverse. Moreover, a rising level of customer's requirement and high growth of industry increase the reliability of electricity service. Therefore on the basis of the case study on the occurrence of fault, the prevention of defects for each device and the analyzing of the outbreak and prevention of systematic breakdown in Sin-Incheon Power Transmission Branch Office, this paper presents some important matters and suggests the method of improvement in design, construction, maintenance, and repairing the Transmission & Substation device.

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Office Environment and Musculoskeletal Complaints of Office Workers

  • Park, Myoung Hwan;Lee, Sangbok;Jeong, Byung Yong
    • Journal of the Ergonomics Society of Korea
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    • v.34 no.6
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    • pp.609-622
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    • 2015

  • Objective: This study aims to investigate the correlation between office and work environment satisfaction levels and workers' musculoskeletal symptoms by conducting surveys asking office workers to state their musculoskeletal symptoms and office and work environment satisfaction levels. Background: The increased number of office workers and their indoor work hours using computers have led to new understandings of the importance of office environment including its temperature, humidity, noise levels, lighting and quality of air, and work environment including monitor arrangement, space arrangement and the functions of desks and chairs. Method: Specific details on office work, office environment satisfaction levels, work environment satisfaction levels, musculoskeletal symptoms, absence from work and treatment due to musculoskeletal related symptoms were analyzed based on the survey answers given by 397 office workers who were the subjects of this research. Results: Office workers showed different characteristics of musculoskeletal symptoms depending on their gender, age, work experience, office hours, break time and time spent on computers. Also, differences in symptoms were found for workers'with different satisfaction levels for office environment (temperature, humidity, noise levels, quality of air, lighting) and work environment (location of monitors, area and display of office space, chairs and desks). ANOVA shows the differences between groups of subjects classified by the experience of work-absences and treatments or pain complaints. Conclusion and Application: Relationship between workers' satisfaction levels with the office and work environment and their musculoskeletal symptoms is expected to be served as essential data for systematic management of the workplace.

  • https://doi.org/10.5143/JESK.2015.34.6.609 인용 PDF KSCI

MCS/IEI and Personal Exposures of VOCs in Office Worker (사무직 종사자가 일상생활에서 노출되는 VOCs 농도와 화학물질과민증 자각증상에 관한 연구)

  • Choi, Yoo-Rim;Sung, Ki-Chul;Chun, Chung-Yoon;Park, Jun-Seok
    • Proceeding of Spring/Autumn Annual Conference of KHA
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    • 2006.11a
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    • pp.322-327
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    • 2006

  • In our previous research, office workers are relatively frequent in self-reported symptoms suggestive of MCS/IEI compare to construction worker who highly exposed to VOCs compounds. However in that research, the subjects were too small to say it clearly. Based on that research results, self reported symptom surveys to 110 office workers and personal exposure concentration measurement were conducted to 13 of people. VOCs exposure levels were measured within office, house and other places during a week by Passive Sampling Method. In this study, it was found that the number of office workers who met the operational criteria of MCS/IEI was 23.6% similar to 24.5% of previous result, and average of TVOC concentration was appeared high state by order of office, house, and personal exposure.

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