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Content Provider | IEEE Xplore Digital Library |
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Author | Abedi, M.R. Tahami, F. |
Copyright Year | 2008 |
Description | Author affiliation: Dept. of Electr. Eng., Sharif Univ. of Technol., Tehran (Abedi, M.R.; Tahami, F.) |
Abstract | In this paper CCM/CVM operation and modeling of the Sheppard-Taylor topology is reviewed and a predictive control strategy is applied for a Sheppard-Taylor-based power factor correction (PFC) rectifier. Compared to conventional boost or buck - boost PFCpsilas, this topology allows a better current tracking at the AC side, with a relatively reduced voltage at the DC side. Consequently, the high frequency AC filters required by the buck PECs are avoided, and the voltage stresses on the boost switches are significantly reduced. Furthermore In predictive control strategy the duty cycle required to achieve unity power factor in a half line period can be calculated in advance. The main advantage of this digital control PFC method is achieving on high dynamics directly depend on the processing speed of micro processor. Simulation results show that a Sheppard-Taylor converter controlled by both this strategy can achieve sinusoidal current waveform with good dynamic response. Input voltage feed-forward compensation makes the output voltage insensitive to the input voltage variation and guarantees sinusoidal input current even if the input voltage is distorted. |
Starting Page | 397 |
Ending Page | 402 |
File Size | 312406 |
Page Count | 6 |
File Format | |
ISBN | 9781424416653 |
DOI | 10.1109/ISIE.2008.4677024 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2008-06-30 |
Publisher Place | UK |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Predictive control Rectifiers Voltage Topology Predictive models Power factor correction Frequency Filters Stress Switches |
Content Type | Text |
Resource Type | Article |
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