A transformer in which part of the winding is shared in both the primary and secondary circuits is called an auto transformer. In an auto transformer, the two primary and secondary windings are electrically insulated from each other, while in an auto transformer the two windings are electrically connected.
Uses:
1.For connecting power systems whose voltage ratios do not differ much from the unit.
2.To obtain variable output voltages (with variable conversion ratio)
Advantages of auto transformers over two-winding transformers:
1.Better voltage adjustment percentage
2.More efficiency
3.Lower percentage impedance
The company is able to provide a variety of single-phase and three-phase auto transformers required in the above distribution and power substations in accordance with all technical specifications required by the customer.
Available brands:IRAN TRANSFO-ABB- TAMINI ITALY- MR GERMANY – MESSKO GERMANY