No Load Simulation and Downscaled Experiment of UHV Single-Phase Autotransformer Under DC Bias
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DOI: 10.1109/access.2020.2974247
Abstract: The time-domain field-circuit coupled finite element method (FEM) is widely used to analyze the DC effects on transformers. However, the long transient process of calculation will encounter difficulties due to the tremendous requirement of computer… read more here.
Keywords: time; voltage; autotransformer; resistance ... See more keywords
Equivalent Circuit and Vector Diagram of an Autotransformer with Mapping of Magnetic Fluxes
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DOI: 10.3103/s1068371220030177
Abstract: Abstract A universal equivalent circuit of an autotransformer with explicit mapping of its main characteristic—transporting energy by two parallel paths (electrically and electromagnetically)—is presented. At the same time, a diagram displays the magnetic fluxes in… read more here.
Keywords: magnetic fluxes; equivalent circuit; circuit; autotransformer ... See more keywords