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Limited power control of a single-stage grid connected photovoltaic system
P.B.S. Kiran, K. Manjunath,
Published in Institute of Electrical and Electronics Engineers Inc.
2016
Abstract
In this paper, the performance of limited power point tracking (LPPT) control of a single-stage photovoltaic system is investigated. Compared to maximum power point tracking (MPPT) control, the LPPT control provides more flexible operation of a photovoltaic system. The LPPT control has so far been applied only for a dual- stage photovoltaic system. However, the single-stage photovoltaic system can be cheaper alternative of the dual-stage photovoltaic system for the grid connected operation. Although the MPPT control has already been successfully implemented for a single-stage photovoltaic system, the scope of LPPT control for such a case is still to be investigated. Detailed simulation and experimental studies are performed to verify the potentiality of LPPT control in single-stage photovoltaic power conversion. © 2015 IEEE.