Present and Design of a 20 kV/400 V, 630 kVA and Three-Phase HTS Distribution Transformer

چکیده مقاله

Transformers in the electrical distribution systems need to high efficiency for loads feeding. With High-Temperature Superconducting (HTS) tapes in transformers, copper losses will be eliminated and volume of its core reduced. So, core-losses will be decreased and eventually, transformer efficiency will be increased. HTS transformers use environmentally benign Liquid Nitrogen (LN2) for windings cooling, and thereby it is suitable for urban areas. In this paper an HTS distribution transformer is presented and a case study with three-phase, 630 kVA and 20 kV/0.4 kV is designed. 2-D and 3-D schematics of HTS transformer are shown.

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