A generic digital nk +/-m order harmonic repetitive control scheme for PWM converters

Lu, W., Zhou, K. , Wang, D. and Cheng, M. (2014) A generic digital nk +/-m order harmonic repetitive control scheme for PWM converters. IEEE Transactions on Industrial Electronics, 61(3), pp. 1516-1527. (doi:10.1109/TIE.2013.2258295)

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Abstract

In this paper, a generic digital nk ± m-order harmonic repetitive control ( nk ± m RC) scheme is presented for constant-voltage constant-frequency pulsewidth-modulation (PWM) converters to track/remove any nk ± m-order harmonic frequencies efficiently, e.g., 4k ± 1-order harmonics for single-phase converters or 6k ± 1-order harmonics for three-phase converters. Compared with conventional RC, the proposed nk ± m RC occupies less data memory and can achieve zero-error tracking or perfect disturbance rejection of nk ± m-order harmonics at much faster error convergence rate. What is more, the proposed RC provides a unified formula for various RC schemes. Application examples of 6k ± 1-RC-controlled three-phase PWM inverter and 4k ± 1-RC-controlled single-phase PWM inverter demonstrate the effectiveness and advantages of the proposed RC scheme.

Item Type:Articles
Keywords:Harmonics, Power Converters, Repetitive Control
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Zhou, Dr Keliang
Authors: Lu, W., Zhou, K., Wang, D., and Cheng, M.
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
College/School:College of Science and Engineering > School of Engineering
Research Group:System Power and Energy
Journal Name:IEEE Transactions on Industrial Electronics
Publisher:Institute of Electrical and Electronics Engineers
ISSN:0278-0046
ISSN (Online):1557-9948

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