a) the magetising current (Im) of 3-phase motor b) how will you design the rotor of a squirrel cage motor to have low starting current
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: 3. A 6-pole, 3-phase, 50 Hz induction motor has a rotor resistance of 0-02 2/phase and standstill…
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Q: An 8-pole, 3-phase, 50 Hz induction motor is operating at a speed of 720 rpm. The frequency of the…
A: Poles P = 8 Frequency f= 50 Hz Speed Nr = 720 rpm Frequency of the rotor current fr = ?
Q: 3. A 4-pole wound- rotor induction motor has a Wye connected stator and a Delta connected rotor with…
A: The solution for induction motor is shown below .
Q: A -3-phase, 8-pole induction motor is required to be operated at about 700 rpm. If supply frequency…
A: For a 3-phase induction motor no. of poles=8 speed,
Q: An 8-pole, 3-phase, 50 Hz induction motor is operating at a speed of 700 rpm. The frequency of the…
A: Given values are - f=50HzP=8Nr=700rpm
Q: 13-28 A 3-phase, 5000 hp, 6000 V. 60 Hz 12- pole wound-rotor induction motor turns at 594 r/min.…
A: Given: A three phase wound rotor induction motor P0=5000 hp=5000×746 W=3.73 MWf=60 HzP=12V=6000…
Q: A three phase, 50 Hz salient-pole synchromous motor has per phase Xd of 0.8 pu and per phase Xq of…
A: The full load current of the synchronous motor is leading hence it is capacitive in nature.Consider…
Q: 4- For satisfactory performance of 3-phase 480V, 60 Hz induction motor, the supply voltage at 50 Hz…
A: Note: As per the company policy, we experts are allowed to answer only one question. Kindly post the…
Q: 8- The DC test for three phase induction motor determines (a) Rotor resistance(R2) (b) Stator…
A: Dc test means connect any two stator terminal to a variable dc source and connect a voltmeter in…
Q: Which type of motors are not self-starting? Select one: O a. DC Generator O b. Single Phase…
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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: Compare the operating and starting currents in the windings of a split-phase motor and a…
A: single-phase induction motor can be made self-started by using a split-phase mechanism. single-phase…
Q: A 3 phase,50Hz ,8 pole induction motor has a full load slip of 4%. The rotor resistance is…
A: The ratio of the maximum torque to full load torque is given by the expression as shown below:…
Q: Describe the Torque-Slip characteristics of a three phase induction motor
A: The torque-slip characteristics of a three phase induction motor are drawn by taking slip on X-axis…
Q: Q3)discuss two only : a) the magetising current (Im) of 3-phase motor b) how will you design the…
A: Solution: In the given question, we need to discuss any of the two parts and hence we will discuss…
Q: A 3-phase, 400/200-V, Y-Y connected wound-rotor induction motor has 0.062 rotor resistance and 0.3 Q…
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Q: Q-2:- A30, 460 V, 100 hp, 60 Hz, four-pole induction motor delivers rated output power at a slip of…
A: Line voltage of the supply (VL) = 460 V Supply frequency (f) = 60 Hz No. of poles (P) = 4 slip (s) =…
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: 25: For a three-phase induction motor, explain briefly the following with mention the necessary…
A: We are authorized to answer three subparts at a time since you have not mentioned which part you are…
Q: 1. Which of the following methods is not used for starting an induction motor? a) Adding a…
A: There are various methods of starting induction motor. resistance start, capacitor start, rotor…
Q: 23 A 50 Hz split-phase induction motor has a resistance of 50 and an inductive reactance of 200 in…
A: In this question, We need to determine the value of resistance R and capacitance C are connected in…
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: 5. A 50 Hz,8-pole, 3-phase induction motor delivers an output of 3-1 kW at a slip of 0-02. The…
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Q: A 3 phase,50HZ ,8 pole induction motor has a full load slip of 4%. The rotor resistance is 0.0010/ph…
A: Given, Frequency,f =50Hz Pole, P=8 Slip, S=4%=0.4 Rotor resistance, R=0.001 Ohm Rotor reactance,…
Q: Full-load power efficiency (%) Speed regulation (%) No-load power consumption (W) AAC Ltd. 85.9%…
A: BLDC MOTOR AC INDUCTION MOTOR The speed-torque characteristics is flat in nature It enables…
Q: 3.1. The rated speed of a three-phase, 6-pole, 50 Hz cage induction motor is more likely to be c)…
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Q: 4. A 3 phase,50Hz ,8 pole induction motor has a full load slip of 4%. The rotor resistance is…
A: It is given that: P=8f=50HzSfl=0.04r=0.001ΩphX=0.005Ωph
Q: 3. A 4-pole wound- rotor induction motor has a Wye connected stator and a Delta connected rotor with…
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Q: 5-Which of the following statements regarding single phase induction motors correct? (a) It requires…
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Q: The rotor of a 50 Hz, 4 pole synchronous motor is directly coupled to rotor of 50 Hz, 6 pole…
A: Given- 50 Hz, 4 pole synchronous motor, 50 Hz, 6 pole induction motor. To Find- The value of a…
Q: Compare the operating and starting characteristics of a split-phase motor and a capacitor-start…
A: Compare the operating and starting characteristics of a split-phase motor and a capacitor-start…
Q: T or F, modify the wrong part if False, please underline twice your answer if True or False. A…
A: In DC series motor series field winding Carrie's current of armature. Series field flux is…
Q: A three-phase induction motor is supplied with power from a 60-Hz source. At full load the motor…
A: In this question, Synchronous speed Ns = 1800rpm We know stator field = rotor field = Ns = 1800rpm…
Q: 7) The wound-rotor induction motors are rarely used, and it is not so common in industry…
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Q: A 3 phase,50Hz ,8 pole induction motor has a full load slip of 4%. The rotor resistance is 0.001Ω/ph…
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Q: B/ Fill in the blanks: 1- In a three-phase induction motor iron losses in stator will be .. that in…
A: B 1- In a three-phase induction motor iron loss in the stator will be more than in the rotor. Since…
Q: What is the starting torque developed by a split-phase motor? or a capacitor start
A: As per bartleby guideline for more than one question asked only first is to be answered please…
Q: induction motor
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Q: A 6-pole, 3-phase, 50 Hz induction motor develops a maximum torque of 30 Nm at 960 r.p.m. Determine…
A: An induction motor, also known as an asynchronous motor, is an AC electric motor in which the…
Q: A 120 Hz, four pole, three-phase induction motor runs at a no-load speed of 3535 rpm and a full load…
A: Given: A three phase induction machine has f=120 HzP=4Nrnl=3535 rpmNrfl=3415 rpm
Q: 18. What is the frequency on the rotor of a 3-phase squirrel-cage induction motor, when the rotor is…
A: When the rotor is at standstill condition, the speed of the rotor is zero. So, the value of slip is,…
Q: If the star-connected rotor winding of a 3-phase induction motor has a resistance of 0.0192per phase…
A: It is given that : R=0.01 ΩphX=0.08 Ωph
Q: A) At what percentage of slip is the pull-out or breakdown torque of a typical 3-phase squirrel-…
A: Pull out torque is also called as maximum torque. And can also be called as breakdown torque. If the…
Q: A 11 Hp, 4-pole, 60Hz, 3-phase induction motor is taking 10,87 watts from the line. Core loss is 347…
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Q: What kind of AC motor is most frequently driven by an AC drive? Group of answer choices synchronous…
A: In this we will write about motor used in drive...
Q: A 3-phase induction motor has a synchronous speed of 250 r.p.m. and 4% slip at full-load. The rotor…
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Q: A 3 phase, 4 pole, induction motor has rotor resistance of 0.04 W per phase. The maximum torque…
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Q: 32. The star connected rotor of a a 3-phase induction motor has a resistance and standstill…
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- L-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) noExplain torque speed/torque slip characteristics of 3 phase induction motor.Design and develop equivalent circuit model of a single phase Induction motor with th consideration of core losses present with the parameter consideration of stator resistance R1 and reactance X1 and two rotor parameters which includes r2,x2 and magnetising reactance xm. (Illustration is required) Draw by hand please
- 2. Describe the Torque-Slip characteristics of a three phase induction motor.1- To control the speed of an induction motor, the supply frequency is reduced by 10%. For the same magnetizing current to remain constant, the supply voltage must be....... a) Reduced by 10%, b) Reduced by 20%, c) Increased by 10%, d) Increased by 20% 2. When maximum starting torqua ic ohtoinodWe need to derive an oil burner with single phase induction motor. Suggest the best type of single phase induction motor that can be suited for this purpose. Explain why you suggest this type of motor and also explain its working principle in detail with the help of cross field theory. Diagrams are necessary.
- f The simplicity in construction of a single-stack VR step motor is due to.... 1. Low number of phases, 2. Low used voltage, 3. N, N, 4. Bidirectional rotation, 5- None of previous. g- The synchronous inductor motor has the ability to step when the phase windings are .............. 1. Connected in parallel, 2. Connected in series, 3. Connected in star, 4. Energized with dc, 5- None of previous. h- The speed of multiple-stack VR step motor with continuous stepping is 3.120, 4.5 5- None of previous. 60f T T Resonance conditions distort the torque/speed curve causing a Drop, 3. Ripple, 4. Fluctuation, 5- None of previous. ********** 1. 120f 2p 2. 60f 2p " in torque. 1. Increase, 2. j- The frequency of armature current in 1-phase series motor is 1. =f, 2. f, 4. Zero, 5- None of previous. (f is the supply frequency)Explain in detail the Starting of Induction MotorsThree Phase Induction Mot... The relative speed of stator magnetic field with respect to rotor of a 30 induction motor with 4 pole, 50 Hz frequency. If the slip is 0.05.