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A Study on the Feasibility of Installing Solar Auxiliary Power for Small Fishing Boats

태양광 보조전원을 설치한 소형선박의 타당성 연구

  • Yoon, Kyoungkuk (Division of Marine System Engineering, Korea Maritime & Ocean University) ;
  • Jeon, Hyeonmin (Division of Marine System Engineering, Korea Maritime & Ocean University) ;
  • Hwang, Junyoung (Department of Marine System Engineering, Korea Maritime & Ocean University) ;
  • Kim, Jongsu (Division of Marine System Engineering, Korea Maritime & Ocean University)
  • 윤경국 (한국해양대학교 기관시스템공학부) ;
  • 전현민 (한국해양대학교 기관시스템공학부) ;
  • 황준영 (한국해양대학교 기관시스템공학과) ;
  • 김종수 (한국해양대학교 기관시스템공학부)
  • Received : 2021.08.25
  • Accepted : 2021.10.28
  • Published : 2021.10.31

Abstract

The South Korean fishing industry is experiencing a rapid growth owing to an increase in its leisure-fishing population. Consequently, fishing boats weighing 9-10 [ton] have also been increasing. Current fishing boats operate their essential equipment by switching their engines with batteries to reduce the cost of gas and engine noise. However, stranding incidents have been increasingly recorded annually, in which boats fail to start owing to discharged batteries, and these incidents can lead to serious casualties. This study proposes the installation of a solar auxiliary power system to safeguard fishing boats, particularly those weighing between 9-10 [ton]. The feasibility of securing space for the solar auxiliary power of boats under consideration was verified. To examine the application of solar power, this study calculates the load necessary to operate it for fishing and models such a system using an electricity analysis program The modeled system, which applies the monthly horizontal solar insolation, validated the adoption of a solar auxiliary power in fishing boats.

대한민국의 낚시산업은 레저활동을 즐기는 인구 증가로 인해 매년 급성장하고 있으며 이에따라 규모가 큰 9-10톤급 낚시어선의 수는 매년 늘어나고 있다. 현재 운항 중인 낚시어선은 낚시 활동 중 유류비 절감과 엔진 발생 소음 저감을 위해 엔진을 정지하고 배터리를 이용하여 선박의 필수장비를 운영하고 있다. 하지만 배터리의 방전으로 인한 엔진 시동불량 등으로 인해 해상에서 표류되는 사고가 매년 꾸준히 발생하고 있으며, 이는 대형 인명사고로 이어질 수 있다. 본 연구에서는 낚시어선의 안전확보를 위해 태양광 보조전원 설치를 제안하고, 9-10톤급 선박을 대상으로 선정하였다. 대상선박의 태양광 발전설비 공간 확보 가능성을 확인하였으며, 태양광 발전설비의 적용을 검증하기 위해 조업 중 필요한 필수 부하량을 계산하고 전력분석프로그램을 통해 태양광 발전시스템을 모델링하였다. 모델링 된 태양광 발전시스템에 우리나라의 월별 수평면 평균 일사량을 적용하여 낚시어선의 태양광 보조발전장치 적용에 관한 타당성을 입증하였다.

Keywords

Acknowledgement

This research was supported by the Korea Institute of Marine Science & Technology Promotion (KIMST) grant funded by the Ministry of Oceans and Fisheries in 2021. (NO 20210369)

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