NDLI: Three-phase three-level unity power factor PWM rectifier using DSP

Content Provider	IEEE Xplore Digital Library
Author	Mussa, S.A. Mohr, H.B.
Copyright Year	2003
Description	Author affiliation: DETEC, Rio de Janeiro, Brazil (Mussa, S.A.)
Abstract	This article presents the study and implementation of a three-phase three-level pre-regulator rectifier with digital control using a DSP. The structure has a common capacitive center point that allows the three-level operation and a low blocking-voltage stress on the power switches (half of dc link voltage). The reduction of blocking voltage allows the use of low cost and low losses power devices, increasing the efficiency and the power density with reduced production cost. The control technique used aims to obtain power factor correction (PFC), regulated and balanced output voltages. With the advance of DSP controllers, digital control is increasingly used in power converts systems and offers a number of advantages like more flexibility in modification code and less sensitive to noise. However, sampling time delay, resolution of A/D converter, word length of DSP and instructions cycle time are disadvantages over analog control. Nowadays, control optimized DSP's deliver high performance, great code efficiency and optimal peripheral integration for the digital control with high level on-chip integration to deliver system cost reduction, and powerful computational abilities that enable software innovation then reducing disadvantages of a digital control.
Sponsorship	Ind. Electron. Soc. IEEE COPPE-Federal Univ. of Rio de Janeiro
Starting Page	639
Ending Page	644
File Size	621475
Page Count	6
File Format	PDF
ISBN	0780379128
DOI	10.1109/ISIE.2003.1267327
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-09
Publisher Place	Brazil
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pulse width modulation Reactive power Rectifiers Digital signal processing Digital control Voltage Costs Control systems Stress Production
Content Type	Text
Resource Type	Article

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