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With the advancements in power electronics technologies and the momentum towards intelligent electrical energy management, there is an increasing demand for power grids to have additional functions. Solid-state transformer (SST) is a new type of power converter that is employed in microgrids to achieve miniaturisation and promising performance. It comprises an isolated DC-DC converter with planar...
This paper concerns the design of a Solid-State Transformer (SST) based grid integrated battery charger with an isolated bi-directional dc-dc converter to maintain the overall system competitiveness. The proposed full bridge DC-DC converter exploits the shoot through mode in the V2G mode for the boosting purpose, which is the uniqueness of the proposed topology. The inclusion of SST in the design...
This paper presents a method for modeling the variation of inductance by biasing the magnetic field in the core using an applied DC current. The technique uses the Jiles-Atherton model. Both low current and high current cases are modeled. For the high current application, an air-gap needs be introduced to avoid saturation. A controllable variable inductance model is built in Matlab/Simulink and is...
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