Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Software-In-the-Loop based Power Management System Modeling & Simulation for a Liquefied Natural Gas Carrier

SIL 기반 액화천연가스운반선 전력관리시스템의 모델링 및 시뮬레이션

  • Lee, Kwangkook (Department of Naval Architecture & Ocean System Engineering, Kyungnam University)
  • Received : 2017.05.11
  • Accepted : 2017.05.17
  • Published : 2017.06.30
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Abstract

With the increasing risk in building liquefied natural gas carriers (LNGC), pre-simulation of various scenarios is required for system integration and safe operation. In particular, the power management system (PMS) is an important part of the LNGC; it works in tight integration with the power control systems to achieve the desired performance and safety. To verify and improve unpredicted errors, we implemented a simulation model of power generation and consumption for testing PMS based on software-in-the-loop (SIL) method. To control and verify the PMS, numeric and physical simulation modeling was undertaken utilizing MATLAB/Simulink. In addition, the simulation model was verified with a load sharing test scenario for a sea trial. This simulation allows shipbuilders to participate in new value-added markets such as commissioning, installation, operation, and maintenance.

액화천연가스운반선(LNGC) 건조 시 증가하는 리스크로 인해 시스템 통합 및 안전 운용에 다양한 시나리오의 사전 시뮬레이션이 필요하다. 특히, LNGC에서 전력관리시스템은 중요한 장비이고, 전력 제어 시스템과의 오류없는 통합이 이루어져야 기대하는 성능 및 안전성이 보장된다. 본 논문에서는 LNGC에서 발생하는 오류를 개선하기 위해 Software-In-the-Loop(SIL) 기반의 PMS 테스트용 전력 발생원과 소모원에 대한 시뮬레이션 모델을 구현하였다. PMS 제어 및 검증을 위해 MATLAB/Simulink를 활용하여 수치적 물리 시뮬레이션 모델링을 수행하였고, 시뮬레이션 모델을 검증하기 위하여 시운전 시나리오를 대상으로 부하 분배 테스트를 하였다. PMS SIL 시뮬레이션은 고부가가치 선박 및 해양플랜트의 시운전, 설치, 유지보수 시장 진출에 크게 기여할 것으로 사료된다.

Keywords

References

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