1-why the slipoccur in the induction motor? 2- why the slip is less than 1? 3-what the adrantage of study the slip in the induction motor?
Q: A three-phase, 4-pole, 60 Hz induction motor has a full-load speed of 1746rpm. What is the slip…
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Q: Which type of motors are not self-starting? Select one: O a. DC Generator O b. Single Phase…
A: At the point when single-stage AC supply is given to stator winding. It produces rotating flux. i.e.…
Q: 1) answer the questions below. e) How can we calculate the speed of the induction motor provided…
A: IM is a very important AC machine drive and used in many applications like water pumping system,…
Q: A three phase induction motor is wound for 8 poles and is supplied from 50Hz system. Calculate the…
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Q: Define the working of the Single phase induction motor with the properly labelled diagrams.
A: Working Principle of single Phase Induction Motor: Working Principle of single Phase Induction Motor…
Q: The rotor resistance per phase of a 4-pole, 50 Hz, 3-phase induction motor are 0.024 and 0.1. ohm…
A: Given induction motor with Rotor resistance R2=0.024 ΩRotor reactance X2=0.12 Ωpoles p=4frequency…
Q: In In Star-Delta Starting of 3-Phase Induction Motor Why we do not have the motor continue running…
A: During starting of induction motor, the machine draws very heavy current at the time of starting.…
Q: By decreasing the stator voltage of induction motor to 80% of its rated voltage, the maximum torque…
A: Torque is directly proportional to the square of voltage. Let the reduced voltage be V'. Then , V'=…
Q: Q4: a) In the experiment of performance study of three-phase wound rotor induction motor, what are…
A: Approximate Equivalent circuit diagram of wound rotor induction motor is given by Where V is the…
Q: The power input to a 500V, 50Hz, 6 pole, 3 phase squirrel cage induction motor running at 975 RPM is…
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Q: Which type of motors are not self-starting? Select one: O a. DC Generator O b. Single Phase…
A:
Q: 4. A 3 phase,60Hz ,6 pole induction motor has a full load slip of 5%. The rotor resistance is…
A: Given three phase induction motor withpoles p=6frequency f=60 HzRotor resistance r2=0.002…
Q: A six pole, 3 - 0, 50 Hz induction motor has a rotor resistance and rotor reactance c 0.02 Q and…
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Q: E-a). Which of the following is/are a type of single-phase multi-speed motor? a) consequent-pole…
A: According to guidelines we need to solve only the first question. According to the question, Which…
Q: A 60Hz induction motor has 2 poles and runs at 3480 RPM. a. What is the synchronous speed (RPM)? b.…
A: Given, A 3-phase induction motor has, Supply frequency, f=60 Hz. Number of poles, P=2. Rotor speed,…
Q: How can we calculate the speed of the induction motor provided that the induction motor drive keeps…
A: Speed Control of IM There are many methods to control the speed of IM. Variable Voltage Control…
Q: 5. After performing an experiment on the Capacitor Start induction motor to determine the effect of…
A: Capacitor Start induction motor is a type of induction motor. in which capacitor is used to start…
Q: The starting torque of slip ring induction motor is O Low O Negligible O High O Medium
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Q: 23. As load is increased from no load to full load on a 3-phase squirrel-cage induction motor, what…
A: It is a multipart question. According to our policy I'm solving the first 3 parts. To get remaining…
Q: 2. What is the speed of an induction motor of six poles at 60 HZ, if the percent slip is 2.5 %?
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Q: What are the effects of slip in the slip-ring induction motor? A. No effects B. Changes the change…
A: Given statement:→What are the effects of slip in the slip-ring induction motor.given options to…
Q: 15 Which of the following statements IS NOT CORRECT ? * O the starting current of the induction…
A: We need select in correct option for given statement .
Q: 4. A 3 phase,60HZ ,6 pole induction motor has a full load slip of 5%. The rotor resistance is…
A: To find the speed of the induction motor at which maximum torque occurs
Q: 4. A 3 phase,60HZ ,6 pole induction motor has a full load slip of 5%. The rotor resistance is…
A: Slip at maximum torque Sm=Stand still resistance stand still reactance Rotor speed=(1-Sm)*Ns…
Q: Which type of motors are not self-starting? Select one: O a. DC Generator O b. Single Phase…
A: The objective is to determine the correct option for the motor which is not self starting.
Q: 23. As load is increased from no load to full load on a 3-phase squirrel-cage induction motor, what…
A: " Since you have posted a question with multiple subparts, we will solve the first three subparts…
Q: The power input to a 500V, 50Hz, 6 pole, 3 squirrel cage induction motor running at 975 RPM is…
A:
Q: (a) The typical starting current for induction motor (i.e., at s=1) is five to eight times of the…
A: Induction motor:- It is a AC motor that runs at lower speed than synchronous speed so it is also…
Q: At what speed will a 12-pole, 50-cycle induction motor operate if the slip is 0.1
A: In this question, what speed will a 12-pole, 50-cycle induction motor operate? if the slip is 0.1…
Q: 1.why the slip of induction motor is never zero, 2.what happens if the slip of induction motor is…
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Q: A 60-Hz induction motor is needed to drive a load at approximately 850 rpm. How many poles should…
A: Given data, The value of frequency f = 60 Hz. The value of synchronous speed ns = 850 rpm. The…
Q: Calculate the steps in a 4 section rotor resistance starter for a 3-phase slipring induction motor…
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Q: If the frequency applied to a 3-ph induction motor is increased by 44%, then the ratio of the…
A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…
Q: Question 3 Explain in detail the Starting of Induction Motors
A: According to question we have to explain in detail the starting of Induction Motors.
Q: a) the magetising current (Im) of 3-phase motor b) how will you design the rotor of a squirrel cage…
A: Electrical machines can be either generators or motors. They can be either Ac machines or DC…
Q: A three phase induction motor designed for a rated voltage of V1 at 50 Hz is accidentally switched…
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Q: Problem 3 The synchronous speed of a 60 Hz, three-phase induction motor is 900 rpm. What is the…
A: Given data, Three phase induction motor has f1=60 HzNs1=900 rpmf2=50 Hz
Q: When a particular induction motor is started at its full-rated voltage, its starting torque is 20%…
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Q: 5. The term 'Locked rotor torque' applies When the induction motor speed is zero When the induction…
A: Locked rotor means standstill position
Q: induction motor
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Q: A 3 phase,60Hz ,6 pole induction motor has a full load slip of 5%. The rotor resistance is 0.002Ω/ph…
A: The solution can be achieved as follows.
Q: 156. A small 3-phase induction motor has a short- circuit current 5 times of full-load current and…
A: Given: Isc=5IflIflIsc=15sfl=5%
Q: 26. Is the amount of motor reactive power Q higher than the amount of motor active power P when the…
A: When a three-phase induction motor operates on no-load then the line current drawn by the motor is…
Q: A six pole, 3-0, 50 Hz induction motor has a rotor resistance and rotor reactance of 0.02 Q and 0.13…
A: In starting the torque is 75% of the maximum torque, hence, the ratio of them will be 0.75. The…
Q: Define the working of the Three phase induction motor with the properly labelled diagrams
A: Three Phase induction motor is a widely used machine for any industrial and domestic purposes. it is…
Q: In a certain 3-phase induction motor, the resistance is one fifth the leakage reactance for both…
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Q: An induction motor has a starting torque of 320 N-m when started by direct switching. If started…
A: Given: Starting torque is 320 N-m when started by direct switching. Required: Starting torque if the…
Q: 1. The rotor resistance and reactance per phase of a three-phase wound rotor induction motor are…
A: In this question induction motor is given....We have to find out full load speed , speed at maximum…
Q: On increasing the starting torque of the induction motor, the maximum torque is also increased. a)…
A: In an Induction motor the starting torque and maximum torque are independent to each other. The…
1-why the slipoccur in the induction motor?
2- why the slip is less than 1?
3-what the adrantage of study the slip in the induction motor?
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- 6- Which of the following supply is given to the rotor winding of 3-Phase Induction Motor: a) DC Supply b) AC Supply c) No Supply d) Pulsating Supply 7- 3-Phase Induction Motor will have Starting Torque and Starting Current a) High, High b) Low, Low. c) High, Low d) Low, High 8- Which of the following method is used for controlling the speed of an induction motor: a) Changing number of stator poles b) Supply voltage control c) Frequency control d) All the options are correct 9- Which of the following method cannot be used for starting of 3-Phase Squirrel Induction Motor: a) Star-Delta Starting b) Line resistor startling c) transformer Starter d) Rotor Resistance Starting 10- The rotor of a stepper motor has no: a) windings b) commutator c) brushes d) all of the above1.why the slip of induction motor is never zero, 2.what happens if the slip of induction motor is one, 3.what is the value of the slip for an induction motor at on load and full loadL-1). The 3-phase wound-rotor induction motor has .... . a) high starting torque b) low starting current c) both "a" and "b" d) neither "a" nor "b" L-2). The 3-phase wound-rotor induction.........a) motor has a wire wound rotor b) motor's rotor can be connected to an external resistive load by way of slip rings and brushes c) motor requires more maintenance than the 3-phase squirrel-cage induction motor d) all of the above L-3). The 3-phase wound-rotor induction motor's rotor circuit's resistance should be adjusted so it is__________ during starting. a) low b) high c) either "a" or "b" d) neither "a" nor "b" L-4). Will a 3-phase wound-rotor induction motor start with no external circuit connected to its rotor leads? a) yes b) no
- B/ Fill in the blanks: TV ezur 1- In a three-phase induction motor iron losses in stator will be..... that in rotor. 2- In three-phase induction motors sometimes copper bars are placed deep in the rotor to........... 3- Blocked rotor test on induction motors is used to find out. R..., ke, X. 4- The maximum torque in an induction motor depends on .............and .....What is a single - phase induction motor? How does a single- phase induction motor work? How do you test a single phase motor? Which capacitor is used in single phase motor? What are the advantages of single phase induction motor? What are the applications of single phase induction motor? How does an induction motor start? What are the differences between single and three phase I.M ? What are the types of induction motor? What is the difference between induction motor and normal motor? Why three-phase induction motor self start while single phase motor does not self start?7- A 6-pole, 50-Hz, 3-0 induction motor is running at 950 rpm and has rotor Cu loss of 6 kW. Its rotor input is......kW (a) 120 (b) 60 (c) 6.3 (d) 66 8- The number of slip rings on a squirrel cage induction motor is usually (a)Two (b) Three (c) Four (d) None
- What are the various losses in an induction motor? On what factors do they depend? IV. V. List the different types of stray load losses in an induction motor.Q.14. What is slip in an induction motor? Q.15. What is the value of slip at start in an induction motor?c) What is the physical meaning for each of the following induction motor parameters: R1 „R2 ,Rc ,X1 ,X2 ,Xm ?
- Frequency of emf in the stator of a 8 pole induction motor is 50Hz and the rotor emf frequency is 1Hz. The motor speed is ................ AnswerWhat is the reason of the high starting current in the 3-phase induction motor? Explain in short.The use of a series capacitor with the auxiliary windings of a single-phase induction motor permits: * The obtaintion a 90-degrees phase angle between currents in the main and auxiliary windings. The garantee a relatively high starting torque all above