ZuoTi.Pro
Question

A three phase 60 Hz induction motor runs at 670 rpm. a) how many poles does...

A three phase 60 Hz induction motor runs at 670 rpm.

a) how many poles does this motor have?

b) What is the slip of this motor?

engineering   Electrical-Engineering   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
A three phase 60 Hz induction motor runs at 670 rpm. a) how many poles does...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • 1. A three phase, 60 Hz, 100-hp, 440V, Y-connected induction motor runs at 864 rpm when...

    1. A three phase, 60 Hz, 100-hp, 440V, Y-connected induction motor runs at 864 rpm when it operates at rated load. Calculate the following 1. Number of poles of the machine. 2. slip at full load. 3. Rotor frequency. 4. speed of rotor field with respect to the stator. 5. speed of the rotor magnetic field with respect to the stator magnetic rotating field.

  • A three phase induction motor of 460v, connected in delta, with two poles, 74600W, 60 Hz,...

    A three phase induction motor of 460v, connected in delta, with two poles, 74600W, 60 Hz, a full load slip of 2.2%, start code letter F. Its impedances per phase are: R1 = 0.642 ohms, X1 = 1.8 ohms, R2 = 0.33ohms, X2 = 0.44ohms, Xm = 26.5ohms A) Calculate your maximum starting current B) obtain its nominal operating current

  • 1. A six pole, 240V, 50 Hz three phase squirrel-cage induction motor has a no-load speed...

    1. A six pole, 240V, 50 Hz three phase squirrel-cage induction motor has a no-load speed of 103 rad/s and a speed regulation of 5% at rated load. Find the amount of slip (in rpm) at full load for this motor. 2.. A 2 HP, 240 VAC, 60 Hz, capacitor-start motor is 75% efficient and draws 10 A at full load. What is this motor's power factor at rated load? 3. A wound rotor, 3 phase induction motor in Mr....

  • A 60-Hz induction motor is needed to drive a load at approximately 815 rpm. Part A...

    A 60-Hz induction motor is needed to drive a load at approximately 815 rpm. Part A Determine the maximum number of poles required to drive the load at 815 rpm. Express your answer as an integer. P = 8 Submit Previous Answers Correct Part B What is the slip of this motor for a speed of 815 rpm ? Express your answer to three significant figures. EVO AED vec O ? s = 0.094 Submit Previous Answers Request Answer X...

  • A 10 hp, 60 Hz, three-phase induction motor is delivering rated power while running at 864...

    A 10 hp, 60 Hz, three-phase induction motor is delivering rated power while running at 864 rpm. The motor is drawing power from a 208 V, three-phase source. DC tests determine: R1 0.2 ? and R2-0.15 ?, we do not know XI and X2. Ignore XM. The rotational and core losses are 200 W and 100 W respectively. Find: a) The output (shaft torque). b) The number of poles. c) The input power and efficiency d) The power factor at...

  • A three-phase, 2.2 kV, 60 Hz, Y-connected induction motor has the following parameters: R1 = 0.2 ...

    A three-phase, 2.2 kV, 60 Hz, Y-connected induction motor has the following parameters: R1 = 0.2 Ω R2` = 0.4 Ω X1 + X2` = 1.5 Ω The motor’s full load speed is 580 rpm. Ignore the rotational losses and calculate: a. Full load torque b. Output power rating c. Starting current d. Starting torque No poles were provided A three-phase, 2.2 kV, 60 Hz, Y-connected induction motor has the following parameters: The motor's full load speed is 580 rpm....

  • A three-phase 60 Hz induction motor 480 v (rms, line- to line), lo tp, spee is...

    A three-phase 60 Hz induction motor 480 v (rms, line- to line), lo tp, spee is 12 amperes (rms), total stator Copper loss is Copper loss is 150 W, total combine with operation at the specified paramders, a) The number of Poles ! induction motor has specifications as follows R- to line), lo tp, speed is 1765 RPM, line Current stal Stator Copper loss is 140 w, total rotor is 15o W , total combined rotational loss is losw the...

  • Three-phase induction motor The three-phase induction motor nameplate gives the following informa...

    Three-phase induction motor The three-phase induction motor nameplate gives the following information: 100 HP, 6 poles, 600 V, 60 Hz, PF =0.87. Rated motor slip s=0.0275 and rated motor current is 91.7 A. Measured at rated speed friction and ventilation losses are 1100 W. Measured between two motor terminals resistance is 0.305 Ω. f) For a load such where the motor rotates at the speed of 1180 r / min, determine shaft torque and calculate the mechanical power in HP,...

  • [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 5 hp, 4-pole, 50 Hz, three phase induction motor. If the full-load speed is 1300...

    A 5 hp, 4-pole, 50 Hz, three phase induction motor. If the full-load speed is 1300 rpm, calculate the slip rpm 250 200 300 2 1 1 HTML

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
Active Questions
ADVERTISEMENT