Answer Posted / subrat kumar das
TRANSFORMER LOSSES - Transformer losses have two sources-
copper loss and magnetic loss. Copper losses are caused by
the resistance of the wire (I2R). Magnetic losses are
caused by eddy currents and hysteresis in the core. Copper
loss is a constant after the coil has been wound and
therefore a measureable loss. Hysteresis loss is constant
for a particular voltage and current. Eddy-current loss,
however, is different for each frequency passed through the
transformer.
| Is This Answer Correct ? | 14 Yes | 0 No |
Post New Answer View All Answers
how u measure/calculate renge of capacitor,capacitor has no any rating tag.what is the theory of measure of capacitons.
1. What is the exact formula for one weber? for example,(one ampere = one coulomb electron of electrons crossing a point of conductor at one second. i.e, 1A=1Q/1sec)
could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?
What happen in ups if phase reverse?
i am venkat i got gre 930(verbal 270 quanta 660) and my toefl score 105..here question is why u got less score in gre ? what i supposed to tell...any chance of rejection is there...my accadamics record is very good
working principles of cf lamp,incandescentlamp and f lamp?
what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group
Why it is possible to use PWM with a STATCOM and not with a conventional TCR based SVC
What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?
what is transient stability analysis means?
the typical output of a solar cell is........
'documenˁ
how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........
what is meant by class 1 E in electrical power supply?
I want to know all basics of electrical engineering
