Journal of IKEEE (전기전자학회논문지)

Institute of Korean Electrical and Electronics Engineers (한국전기전자학회)
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Characteristic Analysis of Integrated Power System and Propulsion Motor Comparison for Electric Vessels According to the Driving Condition

전기추진선박의 운전조건별 전력특성 및 추진전동기 특성 비교 해석

  • Received : 2011.03.04
  • Published : 2011.03.31
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Abstract

This paper deals with the characteristic analysis of the integrated power system applied for the electric propulsion ships. This includes the electric power system modeling which is accomplished with the electric power network mainly composed of generators, switchboards, variable frequency devices, electric motors, and etc. In addition, performance comparison between the permanent magnet synchronous motor (PMSM) and the induction motor (IM) for 3.7MW ship propulsion has been done. In order to investigated the main performance of propulsion motor, a coupled model taking into account torque density, copper loss, iron loss, efficiency, power factor, and torque ripple using finite element analysis (FEA) has been employed.

본 논문에서는 발전기, 스위치보드, VFD, 추진전동기 등으로 구성된 전기추전선박의 전력 네트워크를 모델링하고, 전력조류해석과 단락전류해석을 통하여 계절별 선박 운용에 따른 전력시스템 특성 해석 및 단락사고 발생 시차단기의 용량을 선정한다. 이와 더불어 3.7MW급 유도전동기 및 영구자석형 동기전동기의 정성적, 정량적 비교 해석을 통해 전기선박 추진전동기로 적합성에 대해 추가 고찰한다.

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References

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