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Open wye-open delta and open delta-open delta transformer models for rigorous distribution system analysis

Open wye-open delta and open delta-open delta transformer models for rigorous distribution system analysis

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© The Institution of Electrical Engineers
Published

This paper presents mathematical models of open wye-open delta and open delta-open delta transformers for rigorous distribution system studies. The copper and core losses, winding connection, phase angular displacement between primary and secondary windings, and off-nominal tapping are all taken into account in the proposed models. Because open wye-open delta and open delta-open delta transformer banks are quite often used in distribution system, for analysing a distribution system in detail the modelling of these transformers are therefore required.

Inspec keywords: distribution networks; transformer windings; power transformers; losses

Other keywords: copper losses; distribution system analysis; core losses; primary windings; winding connection; secondary windings; phase angular displacement; open wye-open delta transformer model; open delta-open delta transformer models; mathematical models; off-nominal tapping

Subjects: Distribution networks; Switchgear

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