Highly efficient analog maximum power point tracking (AMPPT) in a photovoltaic system

Chih Yu Yang; Chun Yu Hsieh; Fu Kuei Feng; Ke-Horng Chen

doi:10.1109/TCSI.2011.2177008

Highly efficient analog maximum power point tracking (AMPPT) in a photovoltaic system

Chih Yu Yang^*, Chun Yu Hsieh, Fu Kuei Feng, Ke-Horng Chen

^*Corresponding author for this work

Department of Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

49 Scopus citations

Abstract

A compact-size analog maximum power point tracking (AMPPT) technique is proposed in this paper for high power efficiency in the photovoltaic (PV) system. Combining existing MPPT approaches, we present a fast and accurate tracking performance. Here, a wide-range current multiplier, which tracks the maximum power point (MPP) in the solar power system, is implemented to detect the power slope condition of the solar panel. Experimental results show that the proposed technique can rapidly track the MPP with a high tracking accuracy of 97.3%. Furthermore, the proposed system can connect to the grid-connected inverter to supply ac power.

Original language	English
Article number	6133306
Pages (from-to)	1546-1556
Number of pages	11
Journal	IEEE Transactions on Circuits and Systems I: Regular Papers
Volume	59
Issue number	7
DOIs	https://doi.org/10.1109/TCSI.2011.2177008
State	Published - 23 Jan 2012

Keywords

Analog Maximum Power Point Tracking (AMPPT)
grid-connected inverter
photovoltaic system
tracking efficiency
wide-range current multiplier

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abstract = "A compact-size analog maximum power point tracking (AMPPT) technique is proposed in this paper for high power efficiency in the photovoltaic (PV) system. Combining existing MPPT approaches, we present a fast and accurate tracking performance. Here, a wide-range current multiplier, which tracks the maximum power point (MPP) in the solar power system, is implemented to detect the power slope condition of the solar panel. Experimental results show that the proposed technique can rapidly track the MPP with a high tracking accuracy of 97.3%. Furthermore, the proposed system can connect to the grid-connected inverter to supply ac power.",

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