Hello.
If you have any doubt regarding solution then please let me know in the comments.
Thank you.


A single-phase induction motor, hp, 150 V, 50 Hz, 2% slip has the following equivalent circuit...
A single-phase, 230 V, 50 Hz, 8 pole, Induction Motor has the following equivalent circuit parameters: Z1 = 1.7 + j 2.7 Ω ZF = 12 + j 20 Ω ZB = 1.2 + j 2.4 Ω If the core loss is 84 W, while the friction and windage loss is 100 W at 5% slip. Determine: The line current drawn by the machine. (4) The power factor. (1) The input power. (2) The air-gap power. (3) The converted power. ...
Problem 2. (25 points) For a 120-V, 1/3 hp, four pole, 1-phase induction motor, the parameters of the equivalent circuit, are R,-1.8(2, R,-2.5Ω, X,-X,-2.462, and Xm-60 Ω. At a slip of 500, the motor's rotational losses are 51W. The rotational losses maybe assumed constant over the normal operating range of the motor. If the slip is 0.05, calculate a. Input Power b. Air Gap Power, c. Induced Torque Tin d. Output power e. Load torque. f. Overall Motor efficiency g....
A 3-phase, 208 V, 60 Hz, 30 hp, four-pole induction motor has the following equivalent circuit parameters. R1 = 0.2 Ω, , , Xm = 12Ω.The rotational loss is 500 W. For a slip of 5%, calculate (a) The motor speed in rpm and radians per sec (b) The current drawn by the motor from the power supply (c) The stator cu-loss (d) The air gap power (e) The rotor cu-loss (f) The shaft power (g)The developed torque and the shaft torque (h) The efficiency of the motor Use...
A four-pole Y-connected, 415 V, 50 Hz, induction motor has phase equivalent circuit parameters of R1= 2 ohms. R2=2.2 ohms. X1=X2=4 ohms. X(motor)=90 ohms Under rated condition, the rotor slip is 6%. (i) What is the rotor speed and rotor electrical frequency under the rated conditions; (ii) Calculate the stator input current, power factor, and electromagnetic torque under these conditions; (iii) The machine is running at rated conditions and it is to be stopped by switching the two stator leads....
3) A four pole 75 HP 50 Hz induction motor with an efficiency of 93.4% has equivalent resistance and equivalent reactance per phase of 0.3000and 0.78 000OTHE blocked rotor voltage per phase is 175V. If the rotor is turning at 1425 rpm, determine synchronous speed, slip, rotor impedance, rotor current, total three phase apparent power crossing the air gap, its active and reactive components, rotor power factor, shaft speed, mechanical power developed and developed torque. (30 Points)
A three phase, 60 Hz induction motor rated at 440 V and 40 hp drives a load at 1710 rpm. The induction motor has the following impedances referred to the stator in /phase: R,=0.1512, X,=0.7512; R2=1.222,X=0.7522; X=25 12 . The core loss is 450 W and friction and windage loss is 250 W. Calculate the following 1. line current and power factor 2. Real and reactive input power 3. Air-gap power 4. Mechanical power and torque developed 5. shaft horse...
Question 2 (10 marks) (a) A large 3-phase, 4000 V, 60 Hz, slip of 0.01, squirrel cage induction motor draws a current of 375 A and a total active power of 2300 kW when operating at full-load. The stator is connected in wye and the resistance per phase is 0.05 12. The total iron losses are 23 kW and the windage and friction losses are 10 kW. Calculate the following: i) The power factor at full-load ii) The active power...
Question 2 (10 marks) (a) A large 3-phase, 4000 V, 60 Hz, slip of 0.01, squirrel cage induction motor draws a current of 375 A and a total active power of 2300 kW when operating at full-load. The stator is connected in wye and the resistance per phase is 0.05 12. The total iron losses are 23 kW and the windage and friction losses are 10 kW. Calculate the following: i) The power factor at full-load ii) The active power...
5. A 208-V four-pole 60-Hz Y-connected wound-rotor induction motor is rated at 30 hp. Its equivalent circuit components are R=0.100 Ry=0.070. X - 10.00 R = 250 X; -0.2100 X=0.21002 Praw=500 W P =0.5% of input at full load For a slip of 0.05, find (a) The line current (b) The induced voltage in the rotor (c) The stator power factor (d) The rotor power factor (e) The rotor frequency (f) The stator copper losses (g) The core loss (h)...
A 25-hp, 208-V, 60-Hz, two-pole, Y-connected induction motor operates at slip of 5% at rated conditions. The motor parameters are given in ohms per phase as follows: ??=0.3 ??=0.4 ??=0.1 ??=0.4 ??=25.0 Assume core loss of 150 W and rotational loss of 225 W, Find Stator Current, Electromechanical torque, Power out, Efficiency, Power Factor and PowerFlow Diagram. Use the exact model circuit.