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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.7
- 수록면
- 548 - 558 (11page)
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In this paper, a novel offset-based single-state pulse width modulation (PWM) method for achieving zero common-mode voltage (CMV) and reducing switching losses in multilevel inverters is presented. The specific active switching state of the zero common-mode (ZCM) voltage that approximates the reference voltage can be deduced from the switching state sequence of the reduced CMV phase disposition PWM (CMV PD PWM) method. From the reference leg voltages for the zero common-mode voltage, an N-to-2-level transformation defines a virtual two-level inverter and the corresponding nominal leg voltage references. The commutation process of the reduced CMV PD PWM method in a multilevel inverter and its outputs can be simply followed in a nominal switching time diagram for the virtual inverter. The characteristics of the reduced CMV PD PWM and the single-state PWM for zero common-mode voltage are analyzed in detail in this paper. The theoretical analysis of the proposed PWM method is verified by experimental results.
목차
Abstract
I. INTRODUCTION
II. CHARACTERISTICS OF THE PROPOSED SINGLE-STATE PWM METHOD FOR ELIMINATING COMMON MODE VOLTAGE
III. UNDER- AND OVERMODULATION
IV. HARMONICS AND CONTROL CHARACTERISTICS OF SINGLE-STATE PWM METHOD TO ELIMINATE COMMON MODE VOLTAGE
V. EXPERIMENTAL RESULTS
VI. CONCLUSIONS
APPENDIX
ACKNOWLEDGMENT
REFERENCES
참고문헌 (14)
참고문헌 신청
1. [학술지(정기간행물)] - G. Carrara / 1992 / A new multilevel PWM method: a theoretical analysis / IEEE Trans. Power Electron 7 (3) : 497 ~ 505
2. [학술지(정기간행물)] - J. Rodríguez / 2002 / Multilevel inverters: A survey of topologies, controls, and applications / IEEE Trans. Ind. Electron 49 (4) : 724 ~ 738
3. [학술지(정기간행물)] - Fei Wang / 2000 / Motor shaft voltages and bearing currents and their reduction in multilevel medium-voltage PWM voltage-source-inverter drive applications / IEEE Trans. Ind. Appl 36 (5) : 1336 ~ 1341
4. [학술지(정기간행물)] - S. Ogasawara / 1996 / Modeling and damping of high-frequency leakage currents in PWM inverter-fed AC motor drive systems / IEEE Trans. Ind. Appl 32 (5) : 1105 ~ 1114
5. [학술지(정기간행물)] - H. Kim / 2001 / A new PWM strategy for common mode voltage reduction in neutral-point-clamped inverter-fed AC motor drives / IEEE Trans. Ind. Appl 37 (6) : 1840 ~ 1845
2. [학술지(정기간행물)] - J. Rodríguez / 2002 / Multilevel inverters: A survey of topologies, controls, and applications / IEEE Trans. Ind. Electron 49 (4) : 724 ~ 738
3. [학술지(정기간행물)] - Fei Wang / 2000 / Motor shaft voltages and bearing currents and their reduction in multilevel medium-voltage PWM voltage-source-inverter drive applications / IEEE Trans. Ind. Appl 36 (5) : 1336 ~ 1341
4. [학술지(정기간행물)] - S. Ogasawara / 1996 / Modeling and damping of high-frequency leakage currents in PWM inverter-fed AC motor drive systems / IEEE Trans. Ind. Appl 32 (5) : 1105 ~ 1114
5. [학술지(정기간행물)] - H. Kim / 2001 / A new PWM strategy for common mode voltage reduction in neutral-point-clamped inverter-fed AC motor drives / IEEE Trans. Ind. Appl 37 (6) : 1840 ~ 1845
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