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equivalent circuit

GATE Electrical Engineering · Induction Motors · 1998-2019

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2019 Q10

The parameter of an equivalent circuit of a three-phase induction motor affected by reducing the rms value of the supply voltage at the rated frequency is

easy
2019 Q47

A delta-connected, 3.7 kW, 400 V(line), three-phase, 4-pole, 50-Hz squirrel-cage induction motor has the following equivalent circuit parameters per phase referred to the stator: R...

hard
2018 Q43

A star-connected, 12.5kW, 208 V (line), 3-phase, 60 Hz squirrel cage induction motor has following equivalent circuit parameters per phase referred to the stator: R₁=0.3Ω, R₂=0.3Ω,...

hardanswer key
2018 Q54

The equivalent circuit of a single phase induction motor is shown in the figure, where the parameters are R₁ = R₂' = X₁₁ = X₁₂'=12 Ω, X_M=240 Ω and s is the slip. At no-load, the m...

mediumanswer key
2017 PYQ

A star-connected, 12.5 kW, 208 V (line), 3-phase, 60 Hz squirrel cage induction motor has following equivalent circuit parameters per phase referred to the stator. R 1 = 0.3 Ω, R 2...

medium
2010 PYQ

A balanced three-phase voltage is applied to a star-connected induction motor, the phase to neutral voltage being V. The stator resistance, rotor resistance referred to the stator,...

easyanswer key
2008 PYQ

A $$230V,$$ $$50Hz,$$ $$4$$ pole, single phase induction motor is rotating in the clockwise (forward) direction at a speed of $$1425$$ $$rpm.$$ If the rotor resistance at standstil...

mediumanswer key
2000 PYQ

A current amplifier has an input resistance of $$10\Omega ,$$ an output resistance of $$10\,\,k\Omega $$ and a Current gain of $$1000.$$ It is feed by a current source having a sou...

medium
1998 PYQ

The $$MOSFET$$ switch in its on - state may be considered equivalent to

easyanswer key