Journal of the Korean Society for Railway (한국철도학회논문집)

The Korean Society for Railway (한국철도학회)
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Noise Harmonic Reduction of IPMSM Based Next Generation High Speed Railway System using RCF-PWM

RCF-PWM을 이용한 IPMSM 기반 차세대 고속철도 구동 인버터 시스템의 소음원 고조파 저감

  • 김성제 (중앙대학교 공과대학 전자전기공학부) ;
  • 진강환 (중앙대학교 공과대학 전자전기공학부) ;
  • 이상현 (중앙대학교 공과대학 전자전기공학부) ;
  • 김윤호 (중앙대학교 공과대학 전자전기공학부)
  • Received : 2012.04.27
  • Accepted : 2012.06.08
  • Published : 2012.06.30
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Abstract

In this paper, The next Generation High Speed Railway Inverter system using RCF-PWM(Random Carrier Frequency Pulse Width Modulation) was developed to reduce electromagnetic noise. RCF-PWM method is randomized the switching frequency in the range between Semiconductor switching devices' maximum switching frequency and minimum switching frequency, Simulation program has been built using MATLAB/Simulink to verify the validity of study. Finally, the simulation results of Next Generation High Speed Railway inverter system using the RCF method was compared with the conventional SVPWM method.

본 논문에서는 차세대 고속철도 구동 인버터 시스템의 고조파로 인한 전자기적 소음을 줄이기 위해 RCF-PWM(Random Carrier Frequency Pulse Width Modulation)을 적용한 인버터 구동시스템을 개발하였다. RCF-PWM 방식은 인버터 스위칭 주파수를 전력용 반도체의 최대 스위칭 주파수와 최소 스위칭 주파수 사이에서 임의적으로 변화시키며 PWM을 수행하는 방법이다. 본 연구의 타당성을 확인하기위해서 RCF-PWM이 적용된 차세대 고속전철 시스템을 설계하여 MATLAB/Simulink 기반의 시뮬레이터를 개발하고 이를 이용하여 일정한 스위칭 주파수를 사용하는 정규적인 SVPWM 방식과 RCF-PWM 방식의 시험결과를 비교 분석하였다.

Keywords

References

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