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5. A 3-phase synchronous generator of 10 poles,130 hp,580 V,60 Hz produces the line current of 125 A and has an overall efficiency of 95%.The core loss, stator copper loss and rotor or field copper loss are 1050 W,2520 W, and 1750 W respectively. Sketch the power flow diagram, display the values on diagram. Determine the following
Shaft speed (b) torque developed in rotor (c) power factor (d)combined friction, windage and stray loss
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4. A 3-phase, 340 V, Induction motor is supplied with 60 A at .85 pf lagging....
4. A 3-phase, 340 V, Induction motor is supplied with
60 A at .85 pf lagging. Its stator and rotor copper
losses are 4000 W and 800 W respectively, while its core losses are
2000 W, and its Friction, Windage
and Stray losses are a combined 750 W. Determine:
a. Draw a diagram depicting the energy flow in the motor (Similar
to the one we had drawn in class)
b The air gap power
c. The mechanical power developed
d....
1. A 20 hp, 230 V, 60 Hz, four-pole, three-phase induction motor operating at rated load...
1. A 20 hp, 230 V, 60 Hz, four-pole, three-phase induction motor operating at rated load has rotor copper loss of 331 W, and a combined friction, windage, and stray power loss of 249 W. Determine, (a) Mechanical power developed; (b) Air-gap power; (c) Shaft speed; (d) Shaft torque (10 pts.)
A 4 phase, 460 V, 60 Hz, 26.8 hp, 4 pole, Y-connected induction motor draws 25...
A 4 phase, 460 V, 60 Hz, 26.8 hp, 4 pole, Y-connected
induction motor draws 25 A at a power factor of 0.9 lagging. Core
loss is 900 W, stator copper loss is 1100W, friction and winding
losses are 300 W, and stray loss is neglected. The machine shaft
rotates at 1738 rpm. Calculate the air gap power and output load
torque
- [Induction Motor - 15 points) A three-phase, 460 V, 60 Hz, 26.8 hp, 4-pole, Y-connected induction motor...
4. A 3-phase, 340 V, Induction motor is supplied with 60 A at.85 pf lagging. Its...
4. A 3-phase, 340 V, Induction motor is supplied with 60 A at.85 pf lagging. Its stator and rotor copper losses are 4000 W and 800 W respectively, while its core losses are 2000 W, and its Friction, Windage and Stray losses are a combined 750 W. Determine: a. Draw a diagram depicting the energy flow in the motor (Similar to the one we had drawn in class) b The air gap power c. The mechanical power developed d. The...
6. [Induction Motor - 15 points] A three-phase, 460 V, 60 Hz, 26.8 hp, 4-pole, Y-connected...
6. [Induction Motor - 15 points] A three-phase, 460 V, 60 Hz, 26.8 hp, 4-pole, Y-connected induction motor draws 25 A at a power factor of 0.9 lagging. The core loss is 900 W, stator copper loss is 1100 W, friction and windage loss is 300 W, and stray loss is neglected. The machine shaft rotates at a speed of 1738 rpm. Calculate the air gap power and output load torque.
The input power to a 480V, 3 phase, 6 pole, 50 Hz induction motor is 75kW...
The input power to a 480V, 3 phase, 6 pole, 50 Hz induction motor is 75kW with a line current of 75A and runs at a slip of 2.5%. If the stator core loss is 2 kW, windage and friction loss is 1.2 kW, and the stator resistance per phase is 0.16 ohm. Calculate: a. Power supplied to the rotor (Air gap power) b. Rotor copper loss c. Shaft power d. Efficiency of the motor e. Shaft torque f What...
[1. The shaft output of a three-phase, 60 Hz induction motor is 100 HP. The friction...
[1. The shaft output of a three-phase, 60 Hz induction motor is 100 HP. The friction and windage losses are 900 W, the stator core loss is 4200 W, and the stator copper loss is 2700 W. If the slip is 3.75%, what is the efficiency of the motor.
A three phase, 60 Hz induction motor rated at 440 V and 40 hp drives a...
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...
please urgent electrical or mechanical engineer can help? I have 20 hours.I have to finish. Pleaseeee :(
Question 1) A \(380 \mathrm{~V} 60 \mathrm{~Hz}\) two-pole three-phase asynchronous motor has a reverse power factor of 0.80. Stator resistance \(0,200 \Omega\) rotor resistance \(0,120 \Omega\) iron reactance resistance \(150 \Omega\) friction andwind losses \(450 \mathrm{~W}\), iron losses \(1500 \mathrm{~W}\) and stator copper power loss \(1215 \mathrm{~W}\). If the slip is \(5 \%,\) calculate the efficiency of the motor and the shaft moment.Question 2) Three synchronous generators feed 150 of the motors given in the first question. The idle operating...
Image: Question: ron los windage and friction loss mechanical power shaft active power to stator P....
Image:
Question:
ron los windage and friction loss mechanical power shaft active power to stator P. active power supplied to rotor TO A 6 pole, 3 phase induction motor is connected to a 60Hz 3 phase AC Source. At the full lead them has the following losses: copper losses in the stator, 1.2 kw. iron losses in the stator: 0.5 kW, copper losses in the rotor: IkW, windage and friction losses: 1.5 kW. If the motor draws a total of...
4. A 3-phase, 340 V, Induction motor is supplied with
60 A at .85 pf lagging. Its stator and rotor copper
losses are 4000 W and 800 W respectively, while its core losses are
2000 W, and its Friction, Windage
and Stray losses are a combined 750 W. Determine:
a. Draw a diagram depicting the energy flow in the motor (Similar
to the one we had drawn in class)
b The air gap power
c. The mechanical power developed
d....
1. A 20 hp, 230 V, 60 Hz, four-pole, three-phase induction motor operating at rated load has rotor copper loss of 331 W, and a combined friction, windage, and stray power loss of 249 W. Determine, (a) Mechanical power developed; (b) Air-gap power; (c) Shaft speed; (d) Shaft torque (10 pts.)
A 4 phase, 460 V, 60 Hz, 26.8 hp, 4 pole, Y-connected
induction motor draws 25 A at a power factor of 0.9 lagging. Core
loss is 900 W, stator copper loss is 1100W, friction and winding
losses are 300 W, and stray loss is neglected. The machine shaft
rotates at 1738 rpm. Calculate the air gap power and output load
torque
- [Induction Motor - 15 points) A three-phase, 460 V, 60 Hz, 26.8 hp, 4-pole, Y-connected induction motor...
4. A 3-phase, 340 V, Induction motor is supplied with 60 A at.85 pf lagging. Its stator and rotor copper losses are 4000 W and 800 W respectively, while its core losses are 2000 W, and its Friction, Windage and Stray losses are a combined 750 W. Determine: a. Draw a diagram depicting the energy flow in the motor (Similar to the one we had drawn in class) b The air gap power c. The mechanical power developed d. The...
6. [Induction Motor - 15 points] A three-phase, 460 V, 60 Hz, 26.8 hp, 4-pole, Y-connected induction motor draws 25 A at a power factor of 0.9 lagging. The core loss is 900 W, stator copper loss is 1100 W, friction and windage loss is 300 W, and stray loss is neglected. The machine shaft rotates at a speed of 1738 rpm. Calculate the air gap power and output load torque.
[1. The shaft output of a three-phase, 60 Hz induction motor is 100 HP. The friction and windage losses are 900 W, the stator core loss is 4200 W, and the stator copper loss is 2700 W. If the slip is 3.75%, what is the efficiency of the motor.
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...
Image:
Question:
ron los windage and friction loss mechanical power shaft active power to stator P. active power supplied to rotor TO A 6 pole, 3 phase induction motor is connected to a 60Hz 3 phase AC Source. At the full lead them has the following losses: copper losses in the stator, 1.2 kw. iron losses in the stator: 0.5 kW, copper losses in the rotor: IkW, windage and friction losses: 1.5 kW. If the motor draws a total of...
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