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Recent questions tagged synchronousspeed
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GATE2014338
A separately excited $300$ $V$ $DC$ shunt motor under no load runs at $900$ $rpm$ drawing an armature current of $2$ $A$. The armature resistance is $0.5$ $Ω$ and leakage inductance is $0.01$ $H$. When loaded, the armature current is $15$ $A$. Then the speed in $rpm$ is _____
asked
Feb 12, 2017
in
Electrical Machines
by
makhdoom ghaya
(
9.3k
points)
gate2014ee3
seriesconnection
synchronousspeed
numericalanswers
0
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0
answers
2
GATE2015143
A $50$ Hz generating unit has Hconstant of $2$ MJ/MVA. The machine is initially operating in steady state at synchronous speed, and producing $1$ pu of real power. The initial value of the rotor angle $\delta$ is 5°, when a bolted three phase to ground short ... input mechanical power to remain at $1$ pu, the value of $\delta$ in degrees, $0.02$ second after the fault is _________.
asked
Feb 12, 2017
in
Power Systems
by
makhdoom ghaya
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9.3k
points)
gate2015ee1
shortcircuitfault
synchronousspeed
numericalanswers
0
votes
0
answers
3
GATE2016116
In a constant $V/f$ induction motor drive, the slip at the maximum torque Is directly proportional to the synchronous speed. Remains constant with respect to the synchronous speed. Has an inverse relation with the synchronous speed. Has no relation with the synchronous speed.
asked
Jan 30, 2017
in
Electrical Machines
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
slipspeed
synchronousspeed
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