Interested to Buy Any Domain ? << Click Here >> for more details...
explain why the secondary terminal of current transformer
should not be lift open circuited.
- 2 Answers
- 8518 Views
- I also Faced
- E-Mail Answers
Answer Posted / ramesh kumar k
Mainly the current Transformer works on the principle that
Primary mmf = secondary mmf
i.e
Primary AmpereTurns(AT) = Secondary AT
so if the secondary is Open circuited, there is no current
in the Secondary hence secondary AT=0. In that case there
is no opposing mmf in the secondary to neutralize the
primary mmf. So the CT secondary will induce heavy
voltages and winding of the secondary will burn...
simply to understand guess what happends if we pump water
into a tank without opening valves for water to go out..
| Is This Answer Correct ? | 11 Yes | 0 No |
Post New Answer View All Answers
explain different losses in a transformer.
WHAT IS THE PARTIAL DISCHARGE TEST?
What is the loss of power of transformer 220kv/33kv,63/80mva of % imp12.05 at 80%load
how to calculate the formula of cable size if motor kw is given
why the value of k is more in shell typr transformers?
What is synchro?
why capacitance effect is predominant in underground cable transmission and inductance effect is predominant in over head line transmission?
explain comutator action in detail.thanks
Explain what is electric traction? Explain few advantages of electric traction system?
what transformer we used normally and upto which kva?
Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault
for what purpose the star point is done in ct
what is draiv work
Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)
What is slip in an induction motor?
