• Title/Summary/Keyword: Electrical Shock Accidents

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A Study on the In-depth Analysis of Cause and Characteristic for Recent Electric Shock Accident (최근 감전재해의 발생특성과 재해원인 분석연구)

  • Choi, Sang-Won
    • Journal of the Korean Society of Safety
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    • v.29 no.2
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    • pp.7-11
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    • 2014
  • The electric shock victims were predominantly male, and more than half of the victims were found in companies with less than five employees in terms of the scale of company, and also more than half of victims had less than one month of experience for work experience. Considering the category of industry, more than half of the victims were engaged in construction, and considering the subcategory of industries, more than 60% of electric shock victims were found in building and other construction works. This study intended to conduct an in-depth analysis on the cause of electric shock accidents to provide basic data for policy proposing taking into considering the characteristics such as the electric shock path, low voltage, grounding and protection of workers. Also this study conducted an in-depth analysis of electric shock accidents for the past eleven years taking into account the necessity of a long-term plan.

The Field Situation Analysis of Street Lamp Which is Established in The Urban (도심에 설치된 가로등설비의 현장실태 분석)

  • 한운기;한기붕;길형준;최충석
    • Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference
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    • 2003.11a
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    • pp.117-122
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    • 2003
  • Street light facilities, which are easily accessible, can be in danger of electric shock when water percolates the facilities especially in summer. In case deteriorated facilities are not checked regularly, they can cause accidents such as electric shock. We should consider regional characteristics to prevent this kind of accidents. In this paper, we analyzed the problems according to the facilities through the research on the actual conditions. We also analyzed the facilities by region and the standards by the conditions.

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Analysis of Electric Shock Accidents and Check Results in Domestic and Foreign low-Voltage Handhole (국내.외 저압지중함 감전사고사례 및 점검결과의 분석)

  • Kim, Chong-Min;Han, Woon-Ki;Bang, Sun-Bae;Kim, Han-Sang;Shim, Keon-Bo
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.22 no.1
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    • pp.124-131
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    • 2008
  • Recently underground electrical power distribution is increased because people attach importance to aesthetics of the downtown areas. Lew-voltage handhole of underground distribution line for joint and branch point is mainly installed at the sidewalk. So, pedestrian can get a electric shock if fault is occurred in the low-voltage handhole. Furthermore the street was flooded by recently an unusual change in the weather. Fault is occurred in the low-voltage handhole that may create a shock hazard for the human body because a person's body resistance lower due to effect of water. This paper analyses causes of electric shock accidents and check results at the low-voltage handhole. At a result of analysis, the causes of electric shock accidents in domestic and foreign low-voltage handhole are same but environmental conditions of low-voltage handhole are different In the future, the analytical data can be applied to prevent the electric shock at the low-voltage handhole, and can be used to basic data for the improving installment of low-voltage handhole.

Development and Effect Analysis of Experiential Electrical Safety Education System Based on Virtual Reality (가상현실 기반 체험형 전기안전 교육 시스템의 개발 및 효과 분석)

  • Jeon, Jeong-Chay
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.65 no.10
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    • pp.1767-1773
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    • 2016
  • Every year, lives are lost due to electrical safety accidents that could have been prevented with proper education and awareness of electrical safety. To prevent such accidents, experiential education is more effective than indoctrination education. This paper describes the electrical safety education system based on virtual reality (VR) and evaluates effect of the proposed system. Users operated the experiential electrical safety education system, and they were provided electrical stimulation in an electric shock experience using a haptic device. Appropriate stimulation values were calculated according to age (children vs. adults) and gender through experiment. The scenario in which participants experience electrical safety in the home environment was structured, and related educational contents was produced. A total of 68 healthy elementary students evaluated the educational effect of the system. The results showed that the educational effect and the sustainability of effect of the proposed system are superior to those of existing multimedia learning methods. By implementing electrical safety education stimulating the senses of human, the learning effect was promoted and this experiential education would be able to prevent electrical accidents.

A Study on the Protection of Electric Shock, in Low Voltage (저전압에서의 감전보호에 관한 연구)

  • 이재인
    • Journal of the Korean Society of Safety
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    • v.4 no.1
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    • pp.83-90
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    • 1989
  • Recently, due to the increase of 220V distribution lines and equipments preventive measures to cope with several kinds of electric accidents is revealed as an urgent problem. This study investigates the following matters; the cause and present condition of e1ectric shock accident, the influence of electric shock on human body, the safety limit of electric shock, the method of distribution voltage, the insulation of electrical load apparatus, the teachnics of electric shock prevention and foreign materials concerned with this subject etc. This paper present the fundamental cause of electric shock and syntbetic preventive counter measure of electric shock, too.

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The Development of the Analysis Program for the Electric Shock Accidents Occurred in the TN and TT System (TN 및 TT 계통에서의 감전사고 분석 프로그램 개발)

  • Lee, Seok-Won;Ryu, Bo-Hyuk;Kim, Hyung-Seok;Jung, Won-Jae
    • Journal of the Korean Society of Safety
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    • v.24 no.6
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    • pp.32-38
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    • 2009
  • According to the statistics from the Ministry of labor, 70~80 people died by work-related electric shock accidents in the workplace and this number is about 10~20 times higher than those of the foreign countries such as Japan and the United Kingdom in frequencies and rates per 100,000. The electrocution deaths had decreased from several hundred in 1990s to 67 in 2002, since then there has been little change over the last 5 years. To reduce this number of the electrocution death, it is necessary to analyze the sources of the accidents and to implement the suitable measures for preventing the similar accidents from occurring. But there is not any consensus standard method or procedures for accident investigation yet. And the results solely depend on the ability of the investigator. Because of the demand of eliminating technical barrier for free trading, the IEC 60364 is adopted as a regulation for low voltage electrical installations in Korea. The facilities designed and constructed by IEC 60364 are increasing. The facilities by IEC 60364 have different features in comparison with the facilities by Korea eletro technical regulation, and these features combined with parameters of electric shock accident can greatly affect the consequences of the electric accidents. The accident analysis program for electric shock injuries in Terra Neutral(TN) and Terra Terra(TT) system was developed in this paper, which was based on KOSHA Electric Shock Analysis Program(ESAP).

The Infrastructure Case for Reproduction or Analysis of The Mechanism on The Fire of The Electrical Appliances (가전제품 화재 메커니즘 재현 및 분석을 위한 인프라 구축)

  • Jang, In-Hyeok;Lee, Chang-Hoon;Lee, Young-Joo;Lim, Hong-Woo
    • Journal of Applied Reliability
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    • v.15 no.1
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    • pp.60-66
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    • 2015
  • In this paper, The infrastructure case for reproduction or analysis of the mechanism on the fire or the electrics shock of the electrical appliances is proposed. The various electrical appliances(Washing machine, Ballast, Electric heaters, Electronic switches, Mobile phone chargers) used in the home can be tested on the high voltage and over current test through the implementation of the infrastructure. The electrical tests of fire and electric shock consists of the high voltage of maximum 5000 V and over current test of 3 steps(90 A, 60 A, 40 A) and noise test. The mechanism of the fire and the electric shock tests reproduced are analyzed through the monitoring system and the oscilloscope. The electronics manufacturers can prevent accidents through the tests of the electronics factor reproduced and the analysis of the infrastructure designed.

The Qualitative Analysis through the Investigation of the Field Condition at Street Lamps on the Main Street (주요간선 도로에 설치된 가로등의 현장실태조사를 통한 정성적 분석)

  • Choi, Chung-Seog;Kim, Hyang-Kon;Han, Woon-Ki
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.19 no.1
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    • pp.101-108
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    • 2005
  • When a heavy rain occurs, many electrical shock victims are produced every year because lamp poles are under water. In order to prevent electrical shock accidents at a street lamp, the investigation was carried out at real field conditions. The investigation was performed about the circuit configuration of a panel board, a wiring method, a grounding conductor, a lamp pole and so on. The related regulation was analyzed and the problems were presented. Also, the domestic and foreign things were compared and analyzed by the investigation of the field conditions, and the related standard was already revised. Through investigating the field conditions and analyzing the related regulation, it is intended to present the real data to establish more effective preventive measures against electrical shock accidents at a street lamp to be installed on the road. In the future, the analytical data can be applied to stabilize other electrical facilities on the road as well as a street lamp, and to reduce the electrical disasters.

A Study on Electric-technical Regulation of Handhole Structure and Insulation for Preventing Electrical Shock Accident (감전사고 예방을 위한 지중함 구조 및 절연 관련 시설기준 개발에 관한 연구)

  • Kim, Gi-Hyun;Cha, Song-Hee;Son, Yi-Jo
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.66 no.8
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    • pp.1303-1308
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    • 2017
  • The underground electricity distributions are significantly increased because of the urbanization accompanied by rural area developments. However, it has also been increased the safety accidents such as an electric shock around the handhole where the underground cables are connected to each other. This paper provides the base materials on the necessity to amend the installation regulation for securing the insulation and structure strength of handholds using the cast iron or fiberglass reinforced plastic. Article 137 in the judgement regulation for the Korea electro-technical regulation which is one of the installation regulations for handhole is amended and announced in 2017 by being based on the materials in this paper. It is expected to continually reduce the electric shock occurrence around handhole by considering the amended installation regulation.

Human Stimulation Threshold of Interferential Current Type Low Frequency Stimulator for Electric Shock Experience Education (전기 감전 체험 교육을 위한 저주파 전류 자극기의 인체 자극 임계값)

  • Jeon, Jeong-Chay;Kim, Jae-Hyun;Yoo, Jae-Geun
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.13 no.10
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    • pp.4768-4772
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    • 2012
  • To prevent electric shock accidents, an experience education is more effective than indoctrination education. But an electric shock experience education system required a proper physical stimulation on human body to experience electric shock. This paper experiment threshold values of a human body by using Interferential Current Type Low Frequency Stimulator in order to apply to an electric shock experience education system. And the proper stimulation values are calculated according to age (divided child and adult) and gender. Results of this study could be applied to an electric shock experience education system.