NDLI: Design and implementation of a hybrid maximum power point tracker in solar power system

Content Provider	IEEE Xplore Digital Library
Author	Cheng-Yu Tang Sheng-Yuan Ou Yu-Chun Su
Copyright Year	2011
Description	Author affiliation: Department of Electrical Engineering, National Taipei University of Technology, Taiwan (Cheng-Yu Tang; Sheng-Yuan Ou; Yu-Chun Su)
Abstract	This paper provides a hybrid maximum power point tracker (MPPT) with both perturbation and observation method and open circuit voltage method in solar power system. The open circuit voltage method is initially used to retrieve the open circuit voltage corresponding to maximum power point. The perturbation and observation method starts up instead while the input voltage of the power converter reaches the calculated maximum voltage. Furthermore, a variable range is defined by the calculated maximum voltages, and the perturbation and observation method is still used for MPPT if the subsequently sensed voltage value falls within this determined range. On the other hand, the open circuit voltage method is reused to function as MPPT again if the sensed voltage value does not fall within the range. That is, the proposed method will omit small power perturbation to decrease the tracking time and oscillation phenomenon at maximum power point caused by conventional perturbation and observation method, and therefore the loss reduction. The duty cycle is set the same as the previous duty cycle while the observed power reaches the predetermined range. HT46F49E MCU is used to implement the proposed MPPT method and a boost converter is utilized to act the power topology. The experiments confirm with the predetermined results.
Starting Page	999
Ending Page	1003
File Size	1159326
Page Count	5
File Format	PDF
ISBN	9781612849997
ISSN	21645264
e-ISBN	9781457700019
e-ISBN	9781457700002
DOI	10.1109/PEDS.2011.6147380
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-05
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power systems Switches Rectifiers Photovoltaic systems Oscillators Voltage control
Content Type	Text
Resource Type	Article

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