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.

 

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