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According to the International Energy Agency/USA (lEA): “a smart grid (SG) is an electricity grid that uses digital technology to monitor and manage the transportation of electricity from all sources of generation, finding a variety of demands and users. These networks will be able to coordinate the needs and capabilities of all generators, operators, end-users and stake holders of the electricity...
This paper proposes a photovoltaic lighting system based on a power converter that combines the Z-source and the quasi-Z-source topologies. When there is enough sunlight the power converter operates similarly as the quasi-Z-source topology and thus the photovoltaic energy is stored in a battery bank. In the absence of sunlight the power converter operates similarly as the Z-source topology for powering...
An active control law for a current fed push-pull converter used in photovoltaic applications is discussed in this paper. The proposed control law aims at avoiding magnetic flux saturation and eliminating the magnetic flux imbalance observed at both windings of the converter transformer. The most prominent advantages of operating without flux saturation are: a more effective magnetic core design;...
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