NDLI: A novel single-phase six-switch AC/AC converter for UPS applications

Content Provider	IEEE Xplore Digital Library
Author	Fatemi, A. Azizi, M. Shahparasti, M. Mohamadian, M. Yazdian, A.
Copyright Year	2011
Description	Author affiliation: Power Electronics and Protection Laboratory (PEP Lab.), Faculty of Electrical and Computer Engineering, Tarbiat Modares University, P.O.Box.14115-143, Tehran, Iran (Fatemi, A.; Azizi, M.; Shahparasti, M.; Mohamadian, M.; Yazdian, A.)
Abstract	A new reduced-switch-count converter topology is introduced and proposed for UPS applications in this paper. The modulation scheme of this novel converter is developed and a method is devised for calculating the optimal operating point of the converter based on the design specifications in order to maximize dc bus voltage utilization while minimizing the output voltage THD and switching loss. Moreover, a strategy is suggested for battery charging period which increases converter input power and hence accelerates battery charging process. The proposed converter possesses desirable characteristics of an ideal AC/AC converter such as low THD of input current and output voltage and unity power factor. The validity of theoretical issues is confirmed by simulation results.
Starting Page	408
Ending Page	414
File Size	1485447
Page Count	7
File Format	PDF
ISBN	9781612844220
e-ISBN	9781612844213
DOI	10.1109/PEDSTC.2011.5742456
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-02-16
Publisher Place	Iran
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	PWM rectifier Voltage fluctuations AC/AC converter Rectifiers Modulation Nine-switch converter Converters UPS Inverters Batteries Reduced-switch count topology Uninterruptible power systems
Content Type	Text
Resource Type	Article

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