NDLI: Frequency-domain approach to calculate steady-state of a stand-alone photovoltaic system

Content Provider	IEEE Xplore Digital Library
Author	Morales, J. Ramirez, A.
Copyright Year	2014
Description	Author affiliation: Electr. Dept., CINVESTAV-Guadalajara, Zapopan, Mexico (Morales, J.; Ramirez, A.)
Abstract	This paper presents a frequency-domain (FD) approach to calculate the steady-state of a stand-alone photovoltaic (PV) system. The PV array is represented as a Thévenin equivalent for stationary conditions, simplifying its nonlinear performance. The boost converter (BC), which acts as voltage regulator and performs maximum power point tracking (MPPT), is modeled as a FD equivalent based on the matrix representation of the discrete Fourier transform (DFT). Switching actions of the BC are accounted for by partitioning the DFT transformation matrix according to the switching-on and switching-off times. MPPT is performed via an iterative process using the duty ratio of the BC as the feedback variable. The proposed approach achieves fast computation of the periodic steady-state compared to traditional time domain modeling methods. An illustrative example is presented and validated using the PSCAD software.
Starting Page	1
Ending Page	6
File Size	360878
Page Count	6
File Format	PDF
ISBN	9781479959044
DOI	10.1109/NAPS.2014.6965422
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Switches Discrete Fourier transforms Temperature Photovoltaic systems Steady-state Arrays Discrete Fourier Transform (DFT) Frequency-Domain (FD) Photovoltaic (PV) Boost Converter (BC) Maximum Power Point (MPP)
Content Type	Text
Resource Type	Article

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