Isolation Transformer Wiring Diagram Delta. 120v 240v or 480v. Both bushing labels and polarity dots are shown.
Single three phase transformer vs bank of transformers electrical4u. 3 phase step up transformer wiring diagram. Fig1 wiring diagram of isolation transformer.
The primarywinding of the isolation transformer is delta connected whilethe secondarywinding is star connected for optimising power quality.
Click the photos for details. Celebrating 30 years in business. Transformers must be ul listed 24 v ac and rated to class 2. The primary wye windings are typically grounded.