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This paper presents the analysis of six maximum power point tracking techniques: constant voltage, temperature gradient, open-circuit voltage, short-circuit current, perturb and observe, and incremental conductance. The efficiency of these techniques are compared in steady state condition, when irradiance and temperature are kept constant. Their dynamic behavior is also considered, with the variation...
This paper presents two resonant boost DC-DC converters. Both soft-switched configurations can be used to applications in DC grids and have high voltage-gain. These converters are designed to operate as a converter station at the wind generation-side of a HVDC-system linking wind power generation into the transmission network. At initial sections the proposed converters are thoroughly explained. At...
A novel two-degree-of-freedom internal model control (IMC) controller that improves the fault ride-through (FRT) capabilities and crowbar dynamics of doubly fed induction generator (DFIG) wind turbines is presented. As opposed to other control strategies available in the open literature, the proposed IMC controller takes into account the power limit characteristic of the DFIG back-to-back converters...
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