Answered: For a 4 pole induction motor find the…

Engineering

Electrical Engineering

For a 4 pole induction motor find the synchronous speed if its running at 440V, 50 Hz A.C. supply.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

See similar textbooks

Related questions

Q: A three phase 6000 V alternator has the following O.C.C. at normal speed: Field current : 14 18 23…

Q: Derive the condition for maximum torque of an induction motor and hence obtain the expression of…

Q: An 3-phase induction motor(IM) has full load slip = 0.5%. If the rotor circuit resistance is…

Q: Derive the speed torque characteristics of induction motor from its equivalent circuit and also…

A: We have given the following problem

Q: A synchronous motor is running at 75 percent of rated load with unity power factor. If the load…

Q: A 4-pole induction motor drives a load at 2500 rpm. This is to be accomplished by using an…

Q: 4: Explain the Speed Torque Characteristics of Three phase induction motor. Additionally, present a…

A: The Speed Torque Characteristics- 1. At no load condition, the rotor slip and frequency are very…

Q: The total losses of 3-phase induction motor at 4A armature current and 1.142 rotor external…

A: The solution can be achieved as follows.

Q: A three-phase induction motor used for a commercial application in Oman runs at 586 rpm at no load…

Q: The dc series motor has a linear torque- speed characteristics. O True O False

A: The dc series motor has a inverse torque-speed characteristics.

Q: Example 6.31. A 3-phase, 1455 rpm induction motor drives a load requiring constant torque. In case…

A: Given: 3-phase, 1455 rpm induction motor drives a load requiring constant torque. In case supply…

Q: 2. Describe the Torque-Slip characteristics of a three phase induction motor.

A: As per bartleby guideline for more than one question asked only first is to be answered please…

Q: Problem 4. A two-pole induction motor operates with the following parameters: slip = 5%, total…

Q: 22- With neat diagram explain slip ring rotor of 3-phase induction motor. Also draw and explain the…

A: Slip ring rotor of 3-phase induction motor :- The rotor of this motor consists of a cylindrical…

Q: A 40-HP, 230-V., 8-pole, 25 Hz three-phase induction motor is running at 355 rpm at rated load. The…

Q: A 220-V-rms (line-to-line), 60-Hz, three-phase induction motor operates at 3500 rpm while delivering…

A: From problem description we have: Vin = 220 V rms Iin = 8 A rms Nfull load = 3500 rpm f = 60Hz Pout…

Q: A two-pole 60-Hz induction motor produces an output power of 5 hp at a speed of 3500 rpm. With no…

A: given: P = 2 ; f= 60 Hz ; nm1 = 3500 rmp ; nno load = 3538 rmp ; Tloss = constant Pout = 5 hp…

Q: 2. What is the speed of an induction motor of six poles at 60 HZ, if the percent slip is 2.5 %?

Q: (. What will be the air gap power (in watts) developed by a 3-phase induction motor, whose ratings…

A: It is given that: Terminal Voltage=Vt=230 (line voltage)Vt(phase)=Vt3=2303=132.79 VOutput…

Q: A synchronous motor is running at 100 percent of rated load with unity power factor. If the field…

A: Given: Pdev = Pload ; PF = 1 a) the output power is independent of field current. Hence if the…

Q: The amount of torque developed by a 3-phase squirrel-cage induction motor from no-load to rated-load…

A: A simple question on electrical machines shbject . I provided the detailed solution for the same.…

Q: in Three Phase Induction Motor Load Test , Plot the relationship between the current and all the…

A: 3-phase Induction Motor- When a three-phase stator displaced by 120 degrees (in the space of 120…

Q: A three-phase induction motor is rated at 5 hp, 1760 rpm, with a line-to-line voltage of 220 Vrms.…

A: Speed regulation is independent of motor rating and voltage The only things needed are no load and…

Q: P- 2000VA induction motor with a power factor of 0.8 lagging in parallel with a 500VA synchronous…

A: The solution can be achieved as follows.

Q: The rotor resistances per phase of a 4-pole, 50-Hz, 3-phase induction motor are 0.024 ohm and 0.12…

A: Given information are: Rotor Resistance,R2=0.024Ω Rotor Reactance,X2=0.12Ω Number of poles of…

Q: The 3-phase squirrel-cage induction motor has a poorer starting torque than might be expected based…

A: Solution: Torque of an induction motor depends on rotor reactance and rotor resistance. Torque of an…

Q: A four-pair of pole, 50-Hz squirrel-cage induction motor runs on load at a shaft speed of 720 rpm.…

Q: (A)Give a clear explanation of the following effects in a three-phase induction motor: (1) the…

Q: A 220V DC series motor has armature and series field resistance of 0.2 and 0.1 ohm, respectively.…

Q: A 10-hp six-pole 60-Hz three-phase induction motor runs at 1160 rpm under full-load conditions.…

A: Given data: p=6n=1160 rpmf=60 Hz The expression for the synchronous speed is given as,…

Q: A 50-kW, 460-V, 50-Hz, two-pole induction motor has a slip of 5 percent when operating a full-load…

A: According to the question we have to find the value of shaft speed and induced torque.

Q: A 60-Hz wound-rotor induction motor operates at 40 percent slip with added rotor resistance to…

Q: When drawing the steady state electrical model (for an AC induction motor), is the stator armaturre…

A: Here is the equivalent circuit of Induction motor

Q: Explain in detail the Starting of Induction Motors

Q: induction

Q: Explain how the power flows in an induction machine, where losses occur and how they can be…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A three-phase induction motor is rated at 5 hp, 1760 rpm, with a line-to-line voltage of 220 V rms.…

A: Given data: Pout=5 hp=5×746=3730 Wη=75% The expression for the input power absorbed is given as,…

Q: A loaded three phase induction motor with three pair of poles stator coil (pp=3) is supplied by an…

Q: The no-load speed of an induction motor is 1914 rpm, the specification shows that it is operated…

A: The solution is given below

Q: (a) A 3-phase induction motor is being supplied at constant voltage and frequency. It drives a load…

A: The answer is given below steps

Q: a) What is the operating principle of induction motor?

A: As per the honour code I will only do part a question 1. Kindly repost the other questions again.…

Q: A three-phase induction motor used for a commercial application in Oman runs at 580 rpm at no load…

A: Given: A three phase induction motor No load speed = 580 rpm Speed at full load = 552 rpm To…

Q: A 250 V dc shunt motor takes a current of 30A on a certain load. R= 12 and Rah= 125 Q. Find the…

A: In DC shunt motor, 250V and load current 30A with armature resistance 1ohm Find the additional…

Q: A four pole DC shunt motor moves at 1000rpm on a 460v supply when taking an armature current of 45A.…

Q: An induction motor that was running at 5OHZ in Jordan shows a no-load speed of 1500rpm. If this…

A: Given: AN induction motor with N1=1500 rpmf1=50 Hzf2=60 Hz

Q: The rotor of a four-pole, 50 Hz slip-ring induction motor has a resistance of 0.2 Q per phase and…

A: Given data: A slip ring induction motor has, Number of pole, P = 4 Frequency, f = 50 Hz Resistance,…

Q: A 3-phase and 6-pole asynchronous motor is fed from a 100 Hz source. The engine speed under a…

A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…

Q: 5- In a 3-phase induction motor, if the supply voltage and frequency afe reduced by the ratio, then…

A: The speed depends on the supply frequency that is : Synchronous speed (N)=120fP

Concept explainers

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

For a 4 pole induction motor find the
synchronous speed if its running at
440V, 50 Hz A.C. supply.

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 by step

Solved in 2 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

A two-pole 60-Hz induction motor produces an output power of 5 hp at a speed of 3500 rpm. With no load, the speed is 3598 rpm. Assume that the rotational torque loss is independent of speed. Find the rotational power loss at 3500 rpm.
Type your question here Prove that the power developed by a three-phase induction motor is maximum when the equivalent load resistance RL is equal to the magnitude of the standstill impedance of the motor Zol. Then find the maximum power and slip at which occurs.
A three-phase induction motor is rated at 5 hp, 1760 rpm, with a line-to-line voltage of 220 Vrms. The no-load speed of the motor is 1800 rpm. Determine the percentage speed regulation.
A three-phase induction motor is rated at 5 hp, 1760 rpm, with a line-to-line voltage of 220 V rms. The motor has a power factor of 80 percent lagging and an efficiency of 75 percent under full-load conditions. Find the electrical input power absorbed by the motor under full-load conditions. Also, find the rms line current.
In a 4-pole, 50 Hz single-phase Induction motor, the power absorbed by the forward and backward field rotor equivalent resistances are 200 W and 21W respectively at a motor speed of 1440 rpm. The mechanical losses totals 20W. Compute the shaft torque at the above speed.
A 440-V-rms (line-to-line voltage) three-phase induction motor runs at 1150 rpm driving a load requiring 15 Nm of torque. The line current is 3.4 A rms at a power factor of 80 percent lagging. Find the output power, the power loss, and the efficiency.
A 10-hp six-pole 60-Hz three-phase induction motor runs at 1160 rpm under full-load conditions. Determine the slip and the frequency of the rotor currents at full load. Also estimate the speed if the load torque drops in half.
A 480 V, 2-poles, 60 Hz, Y-connected induction motor has an inductive reactance of 4ohm and the resistance of R, = 0.2ohm and R', 0.3ohm. The motor is driving a constant-torque load of 150 Nm at a speed of 3500 rpm. Assume that this torque includes the rotational components. Calculate the motor speed and starting current if the frequency is decreased to 50 Hz.
Draw the typical speed-torque characteristic of the induction motor and expain it.
A feed industry, where a cereal crusher is coupled to a three-phase induction electric motor with a squirrel cage rotor with a power of 25 hp, driven by a star-delta starter, has a starting current of 6 .in.Considering that this motor has 2 poles and a nominal current of 60.8 A for operation in duty mode with a voltage of 220 V at 60 Hz and that the starting time is 20 s with the star-delta switch: a) Determine, for the configuration with the star-delta switch, what is the maximum starting current (peak current) for this motor. b) Define when the current peak occurs in the star-delta switch and the reason for this effect. PLEASE make it in a computer-typeable written form, written
The following figure shows the motor torque-speed characteristic with a load and gear system driven by a DC motor. Calculate the value of Jm.
A 220-V-rms (line-to-line), 60-Hz, three-phase induction motor operates at 3500 rpm while delivering its rated output power of 3 hp. The line current is 8 A rms and the losses are 300 W. Find the input power, power factor, and efficiency.