Journal of Advanced Marine Engineering and Technology

  • 제32권8호
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  • Pages.1278-1284
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  • 2008
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  • 2234-7925(pISSN)
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  • 2234-8352(eISSN)
한국마린엔지니어링학회 (The Korean Society of Marine Engineering)
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전기 추진선박의 전력변환장치 성능 분석에 관한 연구

A Study on the Performance Analysis for Power Converters of Electric Propulsion Ship

  • 발행 : 2008.11.30
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초록

Electric propulsion motors are operated from a variable frequency drive, which supplies power to motors at a frequency appropriate to the desired speed. The objective of this study was to evaluate power converters for shipboard applications and to recommend converters that meet lower harmonic distortion levels and torque ripples. Two systems were studied in detail : Cyclo-converters and PWM-converters. Cyclo-converters are the obvious choice where size, weight and efficiency are the most critical issues. However they have a disadvantage in power factor and they produce severe torque ripples in the motor which makes them unacceptable without special systems. PWM-converters produces better motor current waveform and eliminates common mode voltage issues at the motor, but suffers a multiple stages of power conversion and the isolating transformer. Results of this case study show that PWM-converters are more advanced and efficient drives for induction motor of electric propulsion ship.

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참고문헌

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피인용 문헌

  1. A study on applications of current limiting reactor in marine electrical power systems vol.38, pp.1, 2014, https://doi.org/10.5916/jkosme.2014.38.1.86
  2. 소형 선박 추진용 축전지 전원 기반 유도모터와 BLDC모터의 부하별 운전 특성 및 효율 비교 분석 vol.15, pp.2, 2008, https://doi.org/10.9726/kspse.2011.15.2.078
  3. A Study on Speed Control Method of Propulsion Motor for Small Ships with AFE Converter vol.32, pp.1, 2020, https://doi.org/10.13000/jfmse.2020.2.32.1.49