what is formula in determining the size of Circuit Breaker
for transformer with the following specifications. 7 units
of 1600 volts (primary) and 400 volts (secondary). Both
Primary and Secondary will have a circuit breaker which is
SF6. What should be the Switchgear Main Breaker Size anf
the sizes of each brances Circuit Breaker for Primary.
In some countries it is found that an Earthing Transformer
is connected at the LV sides of the Transmission and
Distribution Substation Transformers.Actually what is the
purpose the Earthing Transformer?