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This paper introduces a dynamic-gain MPPT algorithm for PV systems. The method demonstrates a rapid and uniform convergence toward the MPP by employing dynamic steps while owning MPPT control compatibility even for differential power processors. A theoretical analysis on the effects of resolution on limit cycle oscillations existence and power curve traps in the MPPT process is provided. The dynamic...
This paper introduces an enhanced differential power processor topology and principle of operation for photovoltaic systems (PV) that is based on switched-capacitor technology, featuring local maximum power point tracking (MPPT) capability, zero current switching (ZCS), high efficiency over wide operation range, and reduced size. The new converter operates as a voltage-dependent current-source and...
This paper introduces an enhanced differential power processor topology and principle of operation for photovoltaic (PV) systems that is based on switched-capacitor technology, featuring local maximum power point tracking (MPPT) capability, zero current switching, high efficiency over wide-operation range, and reduced size. The new converter operates as a voltage-dependent current-source and is regulated...
A circuit for operating high-side MOSFET transistors using a ground-referred low-side driver is proposed and investigated analytically and experimentally. The circuit is implemented solely with low-cost non-inductive passive components. The targeted application is for cases in which the source of the floating transistors (N or P type) can be connected to DC buses. Design guidelines are introduced,...
A switched-capacitor based equalization scheme is proposed for overcoming the adverse effect of shaded panels in a serially connected PV array. The proposed solution is based on a modular approach, in which each two panels are connected to a resonant switched-capacitor converter. The distribution of currents and power extraction improvement have been derived and verified experimentally and design...
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