Journal of the Society of Disaster Information (한국재난정보학회 논문집)

The Korean Society of Disaster Information (한국재난정보학회)
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Study on Improvement of Dew Point within ESS Container for Fire Prevention

컨테이너형 ESS 화재방지를 위한 내부 응결점 개선 관한 연구

  • Kim, Woonhak (Department of Civil, Safety, and Environmental Engineering, Hankyong Nationnal University) ;
  • Kang, Seokwon (Department of Civil, Safety, and Environmental Engineering, Hankyong Nationnal University) ;
  • Shin, Giseok (BOSUNG POWERTEC)
  • Received : 2018.12.12
  • Accepted : 2019.06.17
  • Published : 2019.06.28
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Abstract

Purpose: In this study, we investigated the relationship between the causes of ESS container fire accidents. Method: We investigated the possibility of reducing the container fire accident by improving the air environment of the container which is necessary for improvement of these. Result: Through this study, we can be confirmed that the condensing condition of water in the air caused by the difference of internal and external temperature is improved and the dielectric strength of BMS board is reduced. Conclusion: The correlation between the BMS board condensation and the dielectric strength was confirmed.

연구목적: 본 연구에서는 제안되는 ESS 컨테이너 화재사고의 원인들에 대한 상관관계를 확인하였다. 연구방법: 이들의 개선에 필요한 컨테이너 내부의 환경개선을 통하여 컨테이너 화재사고의 저감 가능성에 대한 조사를 시행하였다. 연구결과: 본 연구를 통해 내 외부 온도차에 발생되는 수분응결 조건의 개선과 이를 통한 BMS board의 절연 내력의 변화가 있음을 확인하였다. 연구결론: BMS Board 응결과 절연 내력저하와의 상관 관계를 확인하였다.

Keywords

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Fig. 1. Current-time characteristic

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Fig. 3. Abnormal insulator charge∙discharge current

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Fig. 2. Current-voltage characteristics of a solid

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Fig. 4. Insulator charge · discharge current

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Fig. 5. External condition of measurement paper by time zone

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Fig. 7. Position of sensor for temperature measurement

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Fig. 6. Installation of enclosure test equipment

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Fig. 8. Test enclosure

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Fig. 9. Test enclosure (Out Side)

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Fig. 10. Temperature change outside the enclosure during exposure

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Fig. 11. Temperature change inside the enclosure during exposure

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Fig. 12. Change in temperature outside the enclosure during exposure (freezer operation)

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Fig. 13. Exposure temperature inside the enclosure during exposure (refrigerator operation)

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Fig. 14. Part A No condensation state

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Fig. 15. Part B No condensation state

Table 1. ESS incidents (2017-2018)

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Table 2. General composition of dry air

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Table 3. Test period outside temperature condition

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