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선박 계통연계형 단상 2레벨 인버터의 THD 저감에 관한 연구

A study on the THD reduction of single phase 2 level inverter for grid connection for ship

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키워드

주제분류기계공학

초록

본 논문에서는 선박내의 에너지 절감을 위하여 주거구역 전원인 단상 220V 교류전원에 접속이 가능한 계통연계형 단상 인버터시스템을 제작하여 저주파 L-C 필터 정수 및 스위칭 펄스의 데드타임 변화에 따른 전고조파왜곡율(THD)의 변화를 분석하였다.

Abstract

There are 440V and 220V electric source in ship. A 440V source is used to drive the power systemsuch as crane and winch on deck and pump in engine room, and a 220V source is used to drive thepower source for residential zones, control devices in engine room. In this paper, we made single phase invertersystem for grid connection with 220V source for ship, and analyzed THD(Total harmonic distortion) byvariation of parameters of L-C low pass filter and deadtime of inverter switching.

참고문헌 (8)

  1. J. H. Kim, "Improvement of output characteristics of power conversion system for ship’s grid connection", Proceedings of the Korean Society of Marine Engineers Conference, pp.81~ (2012)
  2. J. H. Kim, "Development power converter and monitor-ing system for ship's grid connection", Proceedings of the Korean Society of Marine Engineers Conference, pp.81~ (2011)
  3. J. C. Baek, "TMS320F28X CPU Handbook", Syncworks, ~ (2006)
  4. J. C. Baek, "DSP Hardware Design using TMS320C24 Series", Syncworks, ~ (2005)
  5. BIN WU, "High-Power Converters and AC Drives", pp.95~157 (2006), Willy inter Science
  6. E. C. Nho, "Power Electronics", pp.370~386 (2000), Munundang
  7. K. J. Lee, "Design of an LCL filter employing a symmetric geome-try and its control in grid-connected inverter ap-plications", Power Electronics Annual Conference, pp.250~252 (2008)
  8. H. M. Oh, "Control method of utility interactive PCS con-sidering voltage quality of critical load", Power Electronics Annual Conference, pp.175~176 (2011)

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