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Recent questions tagged transformercore
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GATE2015220
Find the transformer ratios $a$ and $b$ such that the impedance ($Z_{in}$) is resistive and equals $2.5 \Omega$ when the network is excited with a sine wave voltage of angular frequency of $5000$ rad/s. $a = 0.5, b = 2.0$ $a = 2.0, b = 0.5$ $a = 1.0, b = 1.0$ $a = 4.0, b = 0.5$
asked
Feb 12, 2017
in
Power Systems
by
makhdoom ghaya
(
9.2k
points)
gate2015ee2
turnratio
transformercore
eddycurrent
0
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0
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2
GATE2016146
A singlephase $400 V, 50 Hz$ transformer has an iron loss of $5000 W$ at the rated condition. When operated at $200 V, 25 Hz$, the iron loss is $2000 W$. When operated at $416 V, 52 Hz$, the value of the hysteresis loss divided by the eddy current loss is _______.
asked
Jan 30, 2017
in
Electrical Machines
by
makhdoom ghaya
(
9.2k
points)
gate2016ee1
transformerwinding
transformercore
hysterisisloss
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