Answer (3) questions, using English language dhlyQT:Use the information qgiven below in the pame plate of a 3 phase wound rotor induction motor lo :(i)(ii)(iii)(iv)(v)Calculate motor starting current and efficiency if Ts/Tr=1.57Discuss why the starting current is very high with respect to the rated current?vwhat's the value of starting current if the motor is started by a star- delta starter ?Explain what's the meaning of ( S1) and( F) in this name plate?Explain with plot how we can increase the starting torque of this motor?Year.1996ТуроMOT 112MNo.042657Hz50Peles4H.PA.P.M1440Ph.3-1ns.Amb. TempCos 8O.85Duty$1Frotection.IP 53v380V.48우우우8,5A

Answered: Image /qna-images/answer/acc2a695-06e0-4e1c-98bc-2725b52062ef.jpg

Answer (3) questions, using English language biny G1. Use the information given below in the pame plate of a 3 phase wound rotor induction motor ic (i) (ii) (iii) (iv) (v) Calculate motor starting current and efficiency if Ts/Tr 1.5? Discuss why the starting current is very high with respect to the rated current? What's the value of starting current if the motor is started by a star- delta starter ? Explain what's the meaning of ( S1) and( F) in this name plate? Explain with plot how we can increase the starting torque of this motor? Type MOT 112M 042657 Year. 1998 No. Peles H.P Hz 50 R.P.M 1440 Ph. 3 Amb. Tamp Cos 8 O. 85 Duty $1 Frotection. IP 53 380 V. A800 8,5

Answer (3) questions, using English language biny G1. Use the information given below in the pame plate of a 3 phase wound rotor induction motor ic (i) (ii) (iii) (iv) (v) Calculate motor starting current and efficiency if Ts/Tr 1.5? Discuss why the starting current is very high with respect to the rated current? What's the value of starting current if the motor is started by a star- delta starter ? Explain what's the meaning of ( S1) and( F) in this name plate? Explain with plot how we can increase the starting torque of this motor? Type MOT 112M 042657 Year. 1998 No. Peles H.P Hz 50 R.P.M 1440 Ph. 3 Amb. Tamp Cos 8 O. 85 Duty $1 Frotection. IP 53 380 V. A800 8,5

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

(b) A three phase, 5-hp, 60Hz, 115V, 4-pole induction motor is operating at rated voltage, rated frequency, and 125 percent rated load has an efficiency of 85.4 percent. The stator conductor loss, rotor copper loss and core loss are 223.2W, 153W, and 114.8W respectively. Sketch the power flow diagram, enter the given data, and determine i) shaft speed ii) shaft torque
A three phase, 5-hp, 60Hz, 115V, 4-pole induction motor is operating at rated voltage, rated frequency, and 125 percent rated load has an efficiency of 85.4 percent. The stator conductor loss, rotor copper loss and core loss are 223.2W, 153W, and 114.8W respectively. Sketch the power flow diagram, enter the given data, and determine i) shaft speed ii) shaft torque
A 3-phase, 50-Hz, 415V, Y-connected, 4-pole, squirrel-cage rotor induction motor, has a per-phase of rotor winding impedance of 0.015+j0.08Ω. Assuming that the stator winding impedance is negligible, determine the following; i) The maximum slip, smax ii) The maximum pull-out torque, τmax iii) The required starting torque, τstart iv) The external resistance that should be added in series with rotor resistance if ratio between starting torque and the maximum torque should be 0.85
The full-load slip of 4-pole,60Hz,440v (line -to-line) three phase induction motor is 0.05. i.What is the speed of the rotating stator field?What is the frequencey (in Hz) of the rotor current. ii.When the output power of the motor is 90 hp at a speed of 1732rpm,rotational losses(which includes frictional and core losses) are 10,100W,while copper losses for both rotor and stator total 3700W.Determine the motor efficiency and line current,assuming the motor has a 0.8 pf lagging under these conditions.
The full load slip of a 4-pole, 60Hz, 440V (line-to-line) three phase induction motor is 0.05. (i). What is the speed of the rotating stating? What is the frequency (in Hz) of the rotor current? (ii). When the output power of the motor is 90 hp at a speed of 1732 rmp, rotational losses (which include frictional and core losses) are 10,100W, while copper losses for both the rotor and stator total 3700W. Determine the motor efficiency and line current, assuming the motor has a 0.8pf lagging under the conditions.
A 3-f, 4-pole, 50Hz induction motor has no-load slip of 1% and full load slip of 2.5%. Calculate the no-load and full load RPM ofthe motor as well as the frequency of the rotor currents at standstill and full load.
The 1 phase equivalent parameters of a three phase 60 Hz, 6 pole 220, star connected, 7.5 KW asynchronous motor are as follows:a) In the case where slip is 0.03, the stator transferred rotor current, the torque and power induced in the motor.b) Maximum torque and angular velocity at this moment and speed value in rev / min.c) Developing torque and developing load currentd) Draw 1 phase equivalent circuit?
A 3-phase, 60 Hz, six pole, 220-volt wound rotor induction motor has a stator that is connected in Delta and the rotor that is connected in Wye. The rotor has haft as many turns as that stator. the RR is equal to 0.1- ohm and XBR is equal to 0.5-ohm (a) calculate also the starting torque developed by the motor (b) For over all operation of this induction motor, calculate the efficiency based on the gathered data.
Please show a complete solution to the problem 8. A three-phase, 30-hp, 60-Hz, 2200-V, 600 r/min, salient-pole synchronous motor has direct-axis and quadrature-axis reactances equal to 34.46 Ohms/phase and 20.85 Ohms/phase, respectively. Neglecting losses, determine the power, in watts, drawn by the motor if the field current is adjusted so that the excitation voltage is equal to 1.8 times the applied stator voltage, and the load is increased until maximum reluctance torque occurs. Give your final answer in 2 decimal places. Correct Answer: 224,607.90 ± 0.01
A 25-horsepower, 230V, 60Hz, 3-phase induction motor has a Nameplate Rating of 58amperes. The nameplate also shows a temperature rise of 30°C. a) Determine the locked rotor current if the motor is Code J.b) Determine the Dual-element, time-delay fuses to be used for the motor’s branch circuit.
Your Answers may be presented through Discussions, Drawings/Figures/Diagrams, Reference to NEC/PEC and Computations. 7.What is the full-load current of a 600-volt, 3-phase, 50-horsepower induction motor?
Draw and explain with the help of neat circuit diagram, how will you achieve, dynamic braking of 3-phase squirrel cage induction motor.