Question

Question A 208 V 10 Hp four pole 60 Hz Y connected induction motor has a...

Question

A 208 V 10 Hp four pole 60 Hz Y connected induction motor has a full load slip of 5%.

a)-What is the synchronous speed of this motor?

b)-What is the shaft speed of this motor at full load?

c)-What is the frequency of rotor current at full load?

d)-What is the shaft torque of this motor at full load?

e)-If the efficiency of this motor is 90% at full load what is the input power

f)-If the efficiency of the motor is 90% and the power factor is 0.87 at full load, calculate the line current at full load.

Engineering   Electrical-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A 208 V 10 Hp four pole 60 Hz Y connected induction motor has a full...
A 208 V 10 Hp four pole 60 Hz Y connected induction motor has a full load slip of 5%. What is the output power of this motor in kW? If friction and windage loss is 350 watts, what is the gross mechanical output at full load? What is the gross torque of this motor at full load? What is the rotor cupper loss at full load? If the efficiency of this motor is 90% at full load what is...
Q1. A 440 V, 60 Hz, six-pole, 3 phase induction motor is taking 50 kVA at...
Q1. A 440 V, 60 Hz, six-pole, 3 phase induction motor is taking 50 kVA at 0.8 power factor and is running at a slip of 2.5 percent. The stator copper losses are 0.5 kW and rotational losses are 2.5 kW. i) The rotor copper losses ii) The shaft hp iii) The efficiency iv) The shaft torque
a 460-V 100-hp 60-Hz 4 pole Y connected synchronous motor has a operating power factor 0.85...
a 460-V 100-hp 60-Hz 4 pole Y connected synchronous motor has a operating power factor 0.85 leading the aramature resistance is o.2 ohms and synchronous reactance is 12 ohms at full load the efficiency is 85% find the sum of mechanical loss core loss and stray loss when meachine is operating at full load
Q4) A three-phase, 104 kW, 3300 V, 50 Hz, Y-connected induction motor delivers full output power...
Q4) A three-phase, 104 kW, 3300 V, 50 Hz, Y-connected induction motor delivers full output power to a load connected to its shaft. The full-load slip is 0.02 and full-load power factor is 0.85 lagging. If the stator copper loss is 2400 W, the stator core loss is 3500 W, and the friction and windage loss is 1200 W. Calculate: (i) The developed mechanical power. (ii) The air gap power. (iii) The rotor copper loss. (iv) The efficiency of the...
Problem 1: A 800 V, 4 pole, 3 phase, and 50 Hz star connected induction motor...
Problem 1: A 800 V, 4 pole, 3 phase, and 50 Hz star connected induction motor has a rotor resistance and reactance per phase equal to 0.02 ohm and 0.2 ohm respectively. Determine 1) starting torque 2) slip at which maximum torque will occur 3) speed at which maximum torque will occur 4) Maximum torque 5) full load torque if full load slip is 8%. Assume ratio of stator to rotor turns as 8.
A 100 KW (OUT PUT), 3300V, 50 Hz, 3-Phase star connected induction motor has a synchronous...
A 100 KW (OUT PUT), 3300V, 50 Hz, 3-Phase star connected induction motor has a synchronous speed of 500 rpm. The full load slip is 1.8%and full load power factor 0.85. Stator copper loss=2440W. Iron loss=3500W. Rotational losses= 1200W. calculate : The rotor copper loss The line current The full load motor efficiency.
(360) Volt, 60 Hz, 600 hp, 0.6 pf-leading, four-pole -connected synchronous motor has 0.9Ω synchronous reactance....
(360) Volt, 60 Hz, 600 hp, 0.6 pf-leading, four-pole -connected synchronous motor has 0.9Ω synchronous reactance. Friction; wind; core losses and armature resistance are neglected. a) If the motor is operating under magnitude of phase current (ia) (180) Ampere and power factor of 0.6 lagging, 1. Find the input power of motor in hp 2. Find the generated voltage, EA 3. Find the torque and the maximum inducible torque in current state. b) If EA is increased by 18% find,...
A three-phase, 280 V, 60 Hz, 20 hp, 1710 r/m. Y-connected induction motor has the following...
A three-phase, 280 V, 60 Hz, 20 hp, 1710 r/m. Y-connected induction motor has the following impedances in ohms per phase referred to the stator circuit: R1=0.12 Ω.                Rˈ2=0.1 Ω X1=Xˈ2=0.25 Ω        Xm=10 Ω A total rotational loss are 400 W. The core loss is lumped in with the rotational losses. For a slip of 0.05 at the rated voltage and rated frequency. Find: a) The numbers of poles of the motor. b) The stator current. c) the power factor...
410 Volt, 60 Hz, 600 hp, 0.6 pf-leading, four-pole Triangle connected synchronous motor has 0.9Ω synchronous...
410 Volt, 60 Hz, 600 hp, 0.6 pf-leading, four-pole Triangle connected synchronous motor has 0.9Ω synchronous reactance. Friction; wind; core losses and armature resistance are neglected. a) If the motor is operating under magnitude of phase current (ia) 230 Ampere and power factor of 0.6 lagging, 1. Find the input power of motor in hp (10p) 2. Find the generated voltage, EA (10p) 3. Find the torque and the maximum inducible torque in current state. (10p) b) If EA is...
A three phase Wye-connected 460 v, 4 poles, 60 Hz wound rotor induction motor has the...
A three phase Wye-connected 460 v, 4 poles, 60 Hz wound rotor induction motor has the following parameters: R1=0.3, R2=0.15, X1=0.5, X2=0.2, Xm=14 The total friction, windage, and core loss is constant at 400 w. The motor is working at its rated voltage and drives its load at 1764 rpm. a)Calculate the input current and the input power. b)Calculate the output mechanical power and torque and motor efficiency. c)Calculate the starting current of this motor and compare it with its...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT