![electric machine - Why is it that the Δ-Δ transformer needs much higher input power than the Δ-Y transformer? - Electrical Engineering Stack Exchange electric machine - Why is it that the Δ-Δ transformer needs much higher input power than the Δ-Y transformer? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Cz381.png)
electric machine - Why is it that the Δ-Δ transformer needs much higher input power than the Δ-Y transformer? - Electrical Engineering Stack Exchange
![Easy understanding of 3-phase transformer connections (Delta–Delta, Wye–Wye, Delta–Wye and Wye–Delta) | EEP Easy understanding of 3-phase transformer connections (Delta–Delta, Wye–Wye, Delta–Wye and Wye–Delta) | EEP](https://electrical-engineering-portal.com/wp-content/uploads/2017/07/delta-wye-transformer-currents-labeled.png)
Easy understanding of 3-phase transformer connections (Delta–Delta, Wye–Wye, Delta–Wye and Wye–Delta) | EEP
![Easy understanding of 3-phase transformer connections (Delta–Delta, Wye–Wye, Delta–Wye and Wye–Delta) | EEP Easy understanding of 3-phase transformer connections (Delta–Delta, Wye–Wye, Delta–Wye and Wye–Delta) | EEP](https://electrical-engineering-portal.com/wp-content/uploads/2017/07/wye%E2%80%93wye-transformer-connections-diagram.png)
Easy understanding of 3-phase transformer connections (Delta–Delta, Wye–Wye, Delta–Wye and Wye–Delta) | EEP
![Easy understanding of 3-phase transformer connections (Delta–Delta, Wye–Wye, Delta–Wye and Wye–Delta) | EEP Easy understanding of 3-phase transformer connections (Delta–Delta, Wye–Wye, Delta–Wye and Wye–Delta) | EEP](https://electrical-engineering-portal.com/wp-content/uploads/2017/07/wye-delta-transformer-connections.png)