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Three-Phase Transformer Connections

Three phase transformer consists of three transformers either separate or combined with one core. The primary and secondary of the transformer can be independently connected either in star or delta connection. There are four possible connections for a 3-phase transformer bank are given below:

  1. Δ – Δ (Delta – Delta) Connection
  2. Υ – Υ (Star – Star) Connection
  3. Δ – Υ (Delta – Star) Connection
  4. Υ – Δ (Star – Delta ) Connection

Check out the given below pdf for the details of 3phase Transformer connection.


I hope the above Hindi video lecture and the handwritten note can help you understand the Three-Phase Transformer Connections. Stay with us for more educational video lectures and handwritten notes with free job alerts as well.

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