in 11kv/400v transformer when only one phase of 11kv supply
fails what happens to sec voltage and why
Answer Posted / k.prakashchandra
If delta/star ,one phase voltage will be normal and the
other two 50%, If star/star two phases normal and the third
missing
| Is This Answer Correct ? | 5 Yes | 4 No |
Post New Answer View All Answers
What is the necessary and sufficient condition for stability.
state the working of discharge lamp?
What are the main advantages of generalized error co-efficients?
how to select diiferent power transformers of same capacity on no load loss and full load loss by economical point of view.?
Why wind turbines wheels rotate constantly
What is resonant frequency?
why single CT used in DOL starter power circuit?
Pl. share your experience about industrial-electronics repair of machine tool.
whether fibre optic cable in high voltage earth conductor is used for protection circuits
Maintenance of transformer???
What are the basic components of the feedback control system?
what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.
how to identify the cable quality and what is flame proof cable
why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain
what is capacitor voltage transformer?? how it is different from potential transformer?