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Title: Reduction of power ripple in P& MPPT system using output feedback
Authors: Utaikaifa, Kasem 
Keywords: buck converter;perturb and observe maximum power point tracking;photovoltaic cell
Issue Date: 2013
Publisher: University of the Thai Chamber of Commerce
Source: Kasem Utaikaifa (2013) Reduction of power ripple in P& MPPT system using output feedback., 427-432.
Conference: International Conference on Power Engineering, Energy and Electrical Drives 
Abstract: A new maximum power point tracking (MPPT) system based on perturb and observe (P&) technique is addressed in thisarticle. The proposed system employs sign of output power as an extra perturb of P& MPPT system. With the new control strategy error between operating and reference voltage is minimized. To illustrate performance of the system an MPPT system composed of a PV cell, buck converter and a constant voltage load is composed. Simulated results show that the system equipped with the proposed MPPT strategy is able to track the maximum power at a given solar radiance precisely. Compared with those of the conventional P& scheme the proposed system offers significant lower ripple magnitude both in power andload current. The improvement requires neither larger converter inductance nor higher frequency operation.
Rights: This work is protected by copyright. Reproduction or distribution of the work in any format is prohibited without written permission of the copyright owner.
Appears in Collections:RSO: Conference Papers

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