Three Phase induction motors are most widely used in industries.
AC motors are considered as a significant portion of the world's electric load.
The Buchholz's system is used with oil immersed transformers.
Three single phase transformers, each with one primary winding and identical secondary windings O
Rotating Core Transformer
It is also called induction regulator.
Need for Parallel operation
- When load on the system is increased, it is easy to