Question
Help ASAP
#3. A 3-phase, 220 V, 4-pole, 60 Hz induction motor has the following parameters referred to (jDraw the equivalent circuit of the motor. Find (0) the motor speed (l) the input current (iii) The input power factor (iv) the motor torque (v) the efficiency of the motor.
0 0
Add a comment Improve this question Transcribed image text
Answer #1

R2Cs) eadN NCI-s) 20x 69.1800 rpm Nr= 1800 ( 1-0.OS) ヲ ze. (JKm) //cR,+, +jx1+RLT吣:) 3.997 81%.几 >ふ997い8.136. 31-78 28.136 A 1 Input Po factor 882 (agg- d) jxm C31-78 L-28136)S Is +4.3+3i . 16: S68 2496 28.172 13.096 A 1)9437. 2393 837 24 cJ 8737:24 % 49,91 m 27\ x 1710 22o 31-78 882 8937, 24 к.с l0680 8S 53.675 r.

Add a comment
Know the answer?
Add Answer to:
Help ASAP #3. A 3-phase, 220 V, 4-pole, 60 Hz induction motor has the following parameters...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

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
  • A 3-phase, 208 V, 60 Hz, 30 hp, four-pole induction motor

    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 three-phase, six-pole 440 V, 60 Hz induction motor has the following per-phase equivalent circuit parameters...

    A three-phase, six-pole 440 V, 60 Hz induction motor has the following per-phase equivalent circuit parameters referred to the stator: R1 = negligible, R’2 =0.3 Ω, Rφ = infinite, X1 = 1.131 Ω, X’2 = 1.131 Ω and Xφ = 37.7 Ω. Rotational losses are negligible. Assume the stator is connected to a 440 V, 60 Hz source and use the 6-parameters IEEE model. a) Determine the motor starting torque. (5 points) b) Calculate the motor breakdown torque. (5 points)...

  • 1. A 15 hp, 4 pole, 208 V, 60 Hz, Y-connected, three-phase squirrel cage induction motor has the ...

    1. A 15 hp, 4 pole, 208 V, 60 Hz, Y-connected, three-phase squirrel cage induction motor has the following parameters in Ω/phase referred to the stator: R,-0.220, Xi = 0.430, X,-15.0, R2 0.130 and X2-0.430. Mechanical and core losses amount to 300 W and 200 W respectively for rated voltage. (a) The motor is fed with a 60 Hz, 208 V voltage. It runs with a slip of 4.5 %. Find the speed, shaft torque and power, efficiency and power...

  • A 480 V, 60 Hz, 4-pole-pair, three-phase, delta-connected induction motor has the following parameters: R1=0.42 Ω,...

    A 480 V, 60 Hz, 4-pole-pair, three-phase, delta-connected induction motor has the following parameters: R1=0.42 Ω, R2=0.23 Ω, X1=0.48 Ω, X2=0.29 Ω, Xm=29.71 Ω where: R1 is the stator resistance             R2 is the rotor resistance reflected in the stator;             X1 is the stator leakage inductance;             X2 is the rotor leakage inductance reflected in the stator;             Xm is the magnetising inductance; The rotational losses are 2450 W. The motor drives a mechanical load at a speed of...

  • A 3-phase, 460 V, 1740 rpm, 60 Hz, 4-pole wound-rotor induction motor has the following parameters...

    A 3-phase, 460 V, 1740 rpm, 60 Hz, 4-pole wound-rotor induction motor has the following parameters per phase: R1 = 0.25 Ω, ' 2R = 0.2Ω, ' 1 2 X = X = 0.5Ω, 30 m X = Ω. The rotational losses are 1700 W. With the rotor terminals short-circuited, find: 1. at starting: • current when started direct on full voltage, • a torque 2. at full load: • slip • current • ratio of starting current to full-load...

  • 6.12 A three-phase, Y-connected, 460-V (line-line), 37-kW, 60-Hz, four-pole induction motor has the following equivalent-circuit parameters...

    6.12 A three-phase, Y-connected, 460-V (line-line), 37-kW, 60-Hz, four-pole induction motor has the following equivalent-circuit parameters in ohms-per-phase referred to the statr: R10.070 R2 0.152 X 0.743 X2 0.764 Xm 40.1 The total friction and windage losses may be assumed constant at 390 W, and the core loss may be assumed to be equal to 325 W. With the motor connected directly to a 460-V source, compute the speed, output shaft torque and power, input power, and power factor and...

  • A four-pole Y-connected, 415 V, 50 Hz, induction motor has phase equivalent circuit parameters of R1=...

    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....

  • A single-phase, 230 V, 50 Hz, 8 pole, Induction Motor has the following equivalent circuit parameters:...

    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.                                                                                                                                        ...

  • A 230 V, 50 Hz, three-phase, Y-connected, 6-pole induction motor has the following per-phase parameters R-0.07...

    A 230 V, 50 Hz, three-phase, Y-connected, 6-pole induction motor has the following per-phase parameters R-0.07 Ro 00 0.08 Ω x, x, 0.3 xm 6.33 At a slip of 2%, determine the followings using approximate equivalent circuit of the motor i) The motor speed in rev/min and rad/s. ii) The rotor current. ii) The stator current. iv) The induced torque. v) The efficiency of the motor.

  • The following test data apply to a 7.5-hp, three-phase, 220-V, 19-A, 60-Hz, four-pole induction motor with...

    The following test data apply to a 7.5-hp, three-phase, 220-V, 19-A, 60-Hz, four-pole induction motor with a double-squirrel-cage rotor of design class C (high-starting-torque, low-starting current type): Test :No-load test at 60 Hz; Applied voltage V - 219 V line-to-line; Average phase current I, nl 5.70 A; Power Pnl -380 W; Test 2: Blocked-rotor test at 15 Hz; Applied voltage V 26.5 V line-to-line; Average phase current lbl 18.57 A; Power Pbl 675 W; Test 3: Average de resistance per...

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
ADVERTISEMENT