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E1 = 4.44 f N1Øm (for primary)
E2 = 4.44 f N2Øm (for secondary)
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Derive emf equation of a DC machine?
equation of ac machine
What is emf equation for synchronous machine?
ediot
What is the emf equation of induction motor and prove it?
f=4.44fqm
What are two types of EMF induced in a double wound transformer?
1. self- induction2. mutual- induction
How do you draw phase diagram for transformer operating at load with lagging PF and leading PF?
In order to draw the phase diagram for transformer operating at load with lagging PF and leading PF, you will need to know the equation for the transformer being load free. This constant will help you with the load bearing equation of Np/Ns=Vp/Vs=Is/Ip.
What does the emf equation of asingle phase transformer do?
The emf equation of signal phase transform
What principle emf induces in secondary winding of transformer?
mutual inductance
Derive emf equation of a DC machine?
equation of ac machine
What is emf equation for synchronous machine?
ediot
What is the emf equation of induction motor and prove it?
f=4.44fqm
How emf induce while apply in primary side of the transformer?
when an alternating current apply on primary side of transformer then magnetic flux produced in the iron core of transformer.Then flux link with secondary winding of transformer so that an emf produced in a transformer.
What is the main cause for the coefficient of coupling of a transformer being less than unity?
initially the induced emf i.e.,self inductance is high than mutually induced emf in the other .....so coefficient of coupling is high
If the primary winding of a double wound transformer is supplied with the direct current its iron core will become magnetized but there will be no emf induced in the secondary winding?
BECAUSE YOU NEED AC EFFECT TO INDUCE EMF IN TO SECONDARY WINDING.OR DC PULSING.
Why Back EMF occur in only dc motor?
It doesn't. It exists in all electrical machines, d.c. or a.c., motor, generator, or transformer.
What are two types of EMF induced in a double wound transformer?
1. self- induction2. mutual- induction
Why is emf generated when magnetic flux is cut by a conductor?
See related links below. There is a lot of technical jargon there but look at the motor and transformer section.
What are the Example each for self induced and mutually induced emf?
if an emf is induced in a coil due to the current flowing through itself is called SELF INDUCTANCE. on the other hand if an emf is induced on another coil due to the current flowing through the previous coil then it is called MUTUAL INDUCTANCE. suppose there are two coils A and B a current is flowing through A. now if the flux produced due to this current induce an emf on the same coil A, then it is SELF INDUCTANCE, and if it produce emf on B, then it is MUTUAL INDUCTANCE due to coil A.
