전력전자학회:학술대회논문집 (Proceedings of the KIPE Conference)
- 전력전자학회 2002년도 전력전자학술대회 논문집
- /
- Pages.308-312
- /
- 2002
새로운 3상 랜덤 펄스 위치 PWM기법에 의한 EPLD기반의 모터 속도제어 시스템
EPLD based Induction Motor Drives with a New Three-Phase Randomized Pulse Position PWM Scheme
- 김회근 (전남대학교 전기공학과) ;
- 위석오 (전남대학교 전기공학과) ;
-
임영철
(전남대학교 전기공학과)
;
- 정영국 (대불대학교 전기공학과) ;
- 나석환 (㈜하우 무선데이터 통신연구소)
- Kim Hoe-Geun (Chonnam National University) ;
- Wi Seog-Oh (Chonnam National University) ;
-
Lim Young-Cheol
(Chonnam National University)
;
- Jung Young-Gook (Daebul University) ;
- Na Seok-Hwan (How Inc.)
- 발행 : 2002.07.01
초록
In this paper, EPLD(Erasable Programmable Logic Device) based induction motor drives with a SRP-PWM(Separatley Randomized Pulse Position PWM) is proposed. In the proposed RPWM (Random PWM), each of three phase pulses is located randomly in each switching interval. Based on the space vector modulation technique, the duty ratio of the pulses is calculated. To verify the validity of the proposed RPWM, the experimental study was tried. Along with the randomization of PWM pulses, the space vector modulation is also executed in the TMS320C31 DSP(Digital Signal Processor). The experimental results show that the voltage and switching noise harmonics are spread to a wide band area. Also, the performance of the proposed SRP-PWM and the conventional SVM-PWM are nearly the same from the viewpoing of the v/f constant control.
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