Q16 A 240V, 50 Hz, single-phase capacitor start a.c. motor is loaded such that the slip is 6% the motor constants referred to the stator are : Stator resistance 2.20; rotor resistance = 3.80 Stator reactance 30; rotor reactance 2.10 Magnetizing reactance 860 ; iron and friction loss 500 Draw the equivalent circuit and from it find the output power and efficiency at the given leading Anci 1000 w 7A CO

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Q16 A 240V, 50 Hz, single-phase capacitor start a.c. motor is loaded such that the slip is 6% the
motor constants referred to the stator are :
Stator resistance 2.20; rotor resistance 3.80
Stator reactance = 30 ; rotor reactance 2.10
Magnetizing reactance 860 ; iron and friction loss 500
Draw the equivalent circuit and from it find the output power and efficiency at the given
loading.
Ans[ 1090 W, 74.6%]
Transcribed Image Text:Q16 A 240V, 50 Hz, single-phase capacitor start a.c. motor is loaded such that the slip is 6% the motor constants referred to the stator are : Stator resistance 2.20; rotor resistance 3.80 Stator reactance = 30 ; rotor reactance 2.10 Magnetizing reactance 860 ; iron and friction loss 500 Draw the equivalent circuit and from it find the output power and efficiency at the given loading. Ans[ 1090 W, 74.6%]
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