Load Transfer from one Feeder to other during Transformer Maintenance
DC supply __________ be used for the transformer.
Current ratios are in _________ of the voltage ratio.
The important characteristics of the fluid used in CB are :-
SF6 circuit breaker is
A potential transformer is a
_________ is used to make sure that an electrical circuit can be completely de-energized for service or maintenance.
Isolators are __________
In a transformer, if N2 is number of secondary winding N1 is the number of primary winding then, if (N2/N1) ratio is greater than 1.It is called as ________
Oil transformer usually consist of,
In case of, OFF circuit taps, the transformer must be _________ before the tap changer mechanism is operated.
To prevent the moisture from entering the conservator, a __________ is provided that will dry the air as the breather takes place.
In double bus'bar system ,there is a provision of a bus-bar coupling switch for transferring operation from one bus-bar to another _________ .