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Design of Long Distance Cable and Filter considering the Subsea Environment

심해저 환경을 고려한 장거리 케이블 및 필터 설계

  • 권혁준 (울산대학교 대학원 전기전자정보시스템공학과) ;
  • 김병우 (울산대학교 전기공학부)
  • Received : 2013.07.24
  • Accepted : 2013.10.10
  • Published : 2013.10.31

Abstract

This paper is conducted a research of the cable and filter design considering the deep sea floor environment. The electric architecture which is being used in the subsea plant is comprised of the power supply unit of the high voltage, high-capacity drive system, long cable, and electric motor in the sea area. Conducted emission is occurred by the rapid voltage change at the moment of switching at high speed of inverter for driving motors. The more the length of the cable is lengthened, the worse the motor is influenced by transient voltage. Thus, the over voltage occurred in the drive motor was confirmed by designed wire which is considered R, L, line-to-line C, line-to-gnd C of long cable used in the subsea plant. A guide line of the subsea plant model is also suggested by using a filter to reduce conducted noise of PWM inverter drive-system.

본 논문은 심해저 환경을 고려한 케이블 및 필터 설계에 관한 연구를 수행하였다. 심해저 플랜트에서 사용하고 있는 전기 아키텍처는 해상에서 고전압의 전원 공급 장치, 고용량 구동시스템, 장거리 케이블과 전동기로 구성되어있다. 전도 노이즈는 전동기 구동용 인버터의 고속 스위칭 시 발생하는 급속한 전압변화로 인해 발생하며, 케이블의 길이가 길어질수록 전동기에 심각한 과도 전압을 발생시킨다. 따라서 심해저 플랜트에 사용되는 장거리 케이블의 R, L, 선간 C, 선-접지 C를 고려한 선로를 설계하여 구동 전동기에 발생하는 과전압을 확인하였다. 또한, PWM 인버터 구동시스템의 전도 노이즈 저감을 위한 필터를 설계하여 심해저 플랜트 모델의 가이드라인을 제안하고자 한다.

Keywords

References

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