In the market now,commonly it have three methods of three phase transformer winding such as a star, delta and zig-zag. Each method can be applied to either or both of the primary and secondary winding of transformer.

This connection must suitable with our output voltage for application and equipment.We should decide which connection is suitable and not effected when power supply energizes.

This 3 types of winding is used for different application and we need to identify a suitable condition to apply this types of transformer winding.This time i want shared some information about transformer winding. read more