Three Phase Induction Motors
Three Phase induction motors are most widely used in industries.
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Alternating Current Motors (AC Motors)
AC motors are considered as a significant portion of the world's electric load.
Buchholz’s Relay System
The Buchholz's system is used with oil immersed transformers.
Three Phase to Six Phase Transformer
Three single phase transformers, each with one primary winding and identical secondary windings O
Three Phase Transformers
Three phase power distribution and transmission systems require the use of three phase transformers.
Rotating Core and Constant Current Transformers
Rotating Core Transformer
It is also called induction regulator.
Instrument Transformer
High voltage and current cannot be measured by ordinary volt-meter and ampere meter. Instrument transformer are used for this purpose.
Parallel Operation of Transformer
Need for Parallel operation
- When load on the system is increased, it is easy to
Transformers Tests
A number of tests are made on transformer to determine the voltage ratio, reactance of the windings, magnetizing current, core losses, copper losses, efficiency and temperature rise etc
Auto Transformer
An auto transformer has one winding only Part of this winding being common to both primary and secondary.