what will happened to give the dc supply to ac transformer?
Answers were Sorted based on User's Feedback
Answer / chandrasekhar chatterjee
after giving dc supply to ac transformer,magnetic saturation occurs after a while.As a result flux will remain constant i.e.there will be no change of flux.And as a result no emf will b generated.
2.In dc supply frequency is 0.so all the inductances in transformer act as a short ckt.So huge current will flow and will damage the coil.
Is This Answer Correct ? | 15 Yes | 0 No |
Answer / tarun aggarwal ymca
If DC supply is fed to a transformer's primary, then inductive reactance X1 and magnetising reactance X0 becomes zero. The no load branch contain a parallel combination of R0 and X0. As X0 is zero so that the impedance of no load branch is zero. and current being the ratio of Supply Voltage and no load impedance is very high as it burn the primary winding.
Is This Answer Correct ? | 5 Yes | 0 No |
Answer / sri devi
if the dc supply is given the transformer will not work.
because transformer acts on mutual induction principle. so
the alternating current required to run the transformer.
Is This Answer Correct ? | 0 Yes | 1 No |
Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?
if 20 hp motor starts directly delta connection.motor what will be the effect.
what is synchronous speed.? if an induction motor is made to run at full load, then is this synch. speed too..?
why genarator genarating voltage 11 KV?
whether the generating voltage can be made to be transmitted by means of signals to the recieved end or at the consumers end?
why insulation cost is more in underground cable than in overhead line?
maintenance parameters of sewage treatment plant
In which iron losses is higher induction motor /transformer
why we need of power factor correction? give advantages
how does the power is travelled in conductor
why anti pumping relay is not given to tripping coil of the breaker? why only to closing coil?
What are the essential characteristics of signal flow graphs?