A three-phase, two-pole, 35 hp, 480 V, 60 Hz, Y-connected inductionmotor has the following constants in ohms per phase referred to thestator:R = 0.322NR2 = 0.196 QX1 = 0.6752X2 = 0.510QXm = 12.52The total rotational losses are 1850 W and are assumed to be constant.The core loss is lumped in with the rotational losses. For a rotor slipof 3% at the rated voltage and rated frequency, determine thefollowing:(a) The speed in rpm and in rad/spower factor (d) The developed power and output power (e) Thedeveloped torque and output torque (f) The efficiency.(b) The stator current (c) The

Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

A three-phase, two-pole, 35 hp, 480 V, 60 Hz, Y-connected induction motor has the following constants in ohms per phase referred to the stator: R = 0.3222 R2 = 0.196 Q X1 = 0.6752 X2 = 0.5102 Xm = 12.5N The total rotational losses are 1850 W and are assumed to be constant

A three-phase, two-pole, 35 hp, 480 V, 60 Hz, Y-connected induction motor has the following constants in ohms per phase referred to the stator: R = 0.3222 R2 = 0.196 Q X1 = 0.6752 X2 = 0.5102 Xm = 12.5N The total rotational losses are 1850 W and are assumed to be constant

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

Related questions

Q: 'hy does a slip occur in the three-phase induction motor? Expla

A: In a three phase induction motor, a three phase supply with a phase difference 120…

Q: In an induction motor, if the rotor is locked, then the rotor frequency of induction motor will be:…

A: Given: In an induction motor, the rotor is locked.

Q: following impedances in ohms per phase referred to the stator circuit: R1 = 0.1R 2, X = RQ, R2 =…

Q: 4.9 A 6-pole, 3-phase alternator running at 1000 rpm supplies to an 8-pole, 3-phase induction motor…

A: we need to find out speed at which the motor operates.

Q: A three phase 250 hp induction motor operates at 0.8 lagging power factor on 440 V, 50 Hz supply.…

A: We have been given induction motor with, HP = 250 Hp Power factor (Cosϕ1) = 0.8 lagging Supply…

Q: If the no-load speed of a squirrel cage induction motor connected to a three-phase, 50 Hz is 12.…

Q: At starting of an Induction motor, the frequency of the rotor induced voltage would be

A: Mutual Induction: Whenever flux in one coil links with the second coil, an EMF is induced in the…

Q: The power input to a 415 V, 50 Hz, 6 pole 3-phase induction motor running at 975 rpm is 40 kW. The…

A: Given a three-phase induction motor having, Number of pole, P=6 Frequency, f=50 Hz Rotor speed,…

Q: The slip of a 12 pole, 3-phase, 50 Hz induction motor is 10%. Find the speed of the motor ✓ 450 rpm…

A: Given, A 3-phase induction motor having, Number of poles, P=12. Frequency, f = 50 Hz. Slip, s=10%.

Q: Calculate the rotor reactance per phase of an 8 pole, 50Hz, 3Ø induction motor which develops a…

Q: Question: A three-phase induction motor is running at 5 percent slip with certain load. If at this…

A: Given- A three-phase induction motor with. % slip, s = 5 % = 0.05. Power input to the rotor,…

Q: 2. A 220V 30 6poles 50Hz induction motor is running at a slip of 3.5 %. Find the following: (a) slip…

Q: If rotor of an induction motor turns at synchronous speed, the frequency of the rotor will be zero.…

A: In this question we need to verify the given statement is true or false.

Q: A permanent split single phase induction motor dose not have a squirrel cage rotor

Q: A 10-pole, 3-phase induction motor operates from a supply with frequency 55 Hz. Calculate the speed…

Q: What is the copper loss in the rotor circuit in kW? An induction motor is running at 40% of the…

Q: The parallel plates of transmission line having dimensions b = 4cm and d = 8mm…

A: Given b=4cmd=8cmμr=1εr=1σ=0

Q: 17. A small single phase, 240 V induction motor is tested in parallel with 160 N resistor. The motor…

A: It is given that: V=240 VR=160 ΩIm=2 AIT=3 A

Q: the efficiency of the 1 phase induction motor could be better increased by adding a permanently…

Q: he speed of an induction motor fed from a 3-phase and 50 Hz source is 1440 rpm, so which of the…

Q: What is the output speed of AC induction motor in our lab with six poles per phase and its slip is…

A: Given Data: s = 8% P = 6

Q: A three phase induction motor operating at a slip of 5 % develops 20 kw rotor output power. What is…

A: The rotor copper loss in the above given operating conditions is calculated as shown below:

Q: A 12-pole induction motor has a frequency of 60 Hz. Its synchronous speed would be: (a) 600 rpm (b)…

A: Given: Total number of pole, P = 12 Induction motor frequency, f = 50 Hz

Q: A 300-Vo, 60-Hz, three-phase induction motor is drawing 20 A at 0.75 PF lagging. The stator copper…

A: Power input of a 3-phase induction motor can be expressed as : Pin= VinI.pfwhere,Vin= Input voltageI…

Q: If the supply voltage in a three-phase induction motor is reduced by 10%, what will be the…

A: Given, The supply voltage of a three phase induction motor is reduced by 10 %. Let, E1=EE2=0.9E

Q: In the brushless induction motor, one of the following can be used to reduce the starting current…

Q: The power supplied to a three-phase induction motor is 20kW and the stator losses are 1000W. If the…

Q: 2. A 3-phase induction motor is connected to a 3-phase, 440V/50Hz ac source. What is the frequency…

A: Given: A 3-phase induction motor is connected to a 3 phase ac source having, Voltage, V=440 V…

Q: which of the following is sometimes referred to as the motor secondary of a 3 phase induction motor…

A: In 3 phase induction motor supply is given to stator from stator power is induced in rotor through…

Q: Draw the squirrel cage rotor of the three phase induction motor and explain the same.

Q: The full load speed of a 60 Hz, 3-phase induction motor is 1120 r.p.m. The number of poles in the…

A: induction motor always near to synchronous speed and synchronous speed =120*frequencyn. of poles…

Q: induction motor has

Q: 2. A 36, 60 Hz, 6 pole, wye-connected induction motor is rated at 600 hp (1 hp = 746 W) and 800 V.…

Q: Which of the following NEMA design classes of Induction motor has double-cage rotor? Both Class-D…

A: Class C

Q: The torque developed by a dc series motor is 32 N-m when drawing 17 A. If the current is doubled,…

Q: A20 The speed at which the magnetic field of a 3-phase induction motor rotates is called the

Q: At rest condition, the slip of induction motor is 1. Select one: True False

A: Solution : Slip of induction motor is 2 to 3% when the motor is operated under the rated load.

Q: If a 4-pole induction motor has a synchro- nous speed of 1500 rp.m., then, supply fre- quency is (1)…

A: Given, An induction motor with, Number of poles, P=4 Synchronous speed, Ns=1500 rpm

Concept explainers

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.

Question

A three-phase, two-pole, 35 hp, 480 V, 60 Hz, Y-connected induction
motor has the following constants in ohms per phase referred to the
stator:
R = 0.322N
R2 = 0.196 Q
X1 = 0.6752
X2 = 0.510Q
Xm = 12.52
The total rotational losses are 1850 W and are assumed to be constant.
The core loss is lumped in with the rotational losses. For a rotor slip
of 3% at the rated voltage and rated frequency, determine the
following:
(a) The speed in rpm and in rad/s
power factor (d) The developed power and output power (e) The
developed torque and output torque (f) The efficiency.
(b) The stator current (c) The

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

The total number of slots on the stator of a three-phase 6-pole induction motor having 3 slots per pole per phase is O 18 O 27 O 54 O 36
Speed analysis in induction motor
13 A three-phase induction motor has a mechanical speed of 720 [rpm] and at full load has a slip of 5%. The number of poles and the frequency of this motor are: 4 poles 50 Hz. 6 poles 50 Hz. 8 poles 50 Hz. 6 poles 60 Hz.
٢
LA 6-pole, 50 Hz single-phase inductor motor runs at a speed of 950 rpm. The frequency / frequencies of current in the cage rotor will be 5 Hz a) c) 5 Hz, 95 Hz b) 5 Hz, 55 Hz d) 55 Hz, 95 Hz
The sparking at the brushes of a dc generator is due to winding distribution high constant resistance of the brushes reactance voltage in coil undergoing commutation armature reactance
A 460 V, 25 hp, 60 Hz, wye-connected, four-pole induction motor has the following impedances in ohms per phase referred to the stator circuit: R1=0.641W, R2=0.332W, X1-1.106W, X2=0.464W, Xm=26.3W The total rotational losses are 1100 W and are assumed to be constant. Core losses are grouped with rotational losses. For a rotor slip of 2.2% at rated voltage and frequency, find the following motor quantities: a) Speed, b) Stator current, c) Power factor, d) Pd and Pout. e) td and tload f) Efficiency
V:58)
Electrical Machines A 4-pole single-phase induction motor is rotating in a clockwise direction at a speed of 1000 rpm having a voltage of 100 V with a frequency of 50 Hz. At a standstill, if the rotor resistance is 1.70, then in the backward branch what will be the effective resistance?
A 4-pole induction motor, supplied by a slightly unbalanced three-phase 50 Hz source, is rotating at 1440 rpm. The electrical frequency in Hz of the induced negative sequence current in the rotor is A 100 B 98 C 52 D 48
At rest condition, the slip of induction motor is 0. Select one: True False
A 3-phase 440V, wye connected induction motor has a star-connected stator and delta connected rotor with a turns ratio of 10. The rotor resistance and standstill reactance per phase are 0.01Ω and 0.2Ω respectively, what will be the rotor voltage per phase at standstill?