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Dynamic behaviour of DC motor-based photovoltaic pumping systems under searching MPPT algorithms

Lookup NU author(s): Dr Mohammed Elgendy, Dr Bashar Zahawi, Dr Dave Atkinson, Professor Damian Giaouris


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The behaviour of searching maximum power point tracking (MPPT) algorithms utilizing direct duty ratio perturbation control is shown to exhibit nonlinear phenomena, including slow scale bifurcations and chaos like behaviour, when applied to a dc photovoltaic (PV) system. The performance characteristics of a de photovoltaic water pumping system, in which the searching MPPT algorithm is applied at the frequency of the PWM signal of the converter, are examined. The nonlinear behaviour of the system is analyzed and the effects of different parameters on system performance are discussed.

Publication metadata

Author(s): Elgendy MA, Zahawi B, Atkinson DJ, Giaouris D

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: International Conference on Power Engineering, Energy and Electrical Drives, 2009 (POWERENG '09)

Year of Conference: 2009

Pages: 402-407

Publisher: IEEE


DOI: 10.1109/POWERENG.2009.4915260

Library holdings: Search Newcastle University Library for this item

ISBN: 9781424446117