Dyn11 Transformer Connection: Vector Group and Applications

Overview

Dyn11 is the most common vector group for distribution transformers worldwide.

Configuration

  • Delta (D) on HV side
  • Star (y) on LV side with neutral (n)
  • -30° phase shift (11 oclock position)

Advantages

Third harmonic suppression, good unbalanced load capability, standard for LV distribution.

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