the stator input impedance of the motor is??
Q: 1. Calculate the synchronous speed of 60-Hz induction motors having four poles 2. Calculate the…
A: (1) Given: Frequency, f = 60 Hz. Number of poles, P = 4
Q: Q4. What do you mean by circle diagram of a 3-phase induction motor? Answer the following: (i) (ii)…
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Q: A 4-pole, 3-phase , 50 Hz induction motor has a rotor resistance of 0.022 per phase and standsti…
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Q: Which of the following option is correct for 3-phase induction motor drive? O a. Only voltage is…
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Q: Q23/ The rotor of a 4-pole, 50 Hz, 3-phase slip-ring induction motor has a resistance of 0.252/phase…
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Q: A single-phase, 120 V, 60 Hz, four-pole, split-phase induction motor has the following equivalent…
A: Given: The values of resistance and inductance for main winding are : R=1.5ΩX=2.5Ω The value of…
Q: 2. A3-phase, 4-pole, 50 Hz, 208 V induction motor has a slarung of 225 N-m. If a reduced voltage of…
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Q: Which of the following option is correct for 3-phase induction motor drive? O a. Only voltage is…
A: Choose correct option for 3 phase induction motor? Method of the speed control of the 3 phase…
Q: Q1// A double-cage of a 3-phase, 50-Hz, 4-pole induction motor, have the following equivalent…
A: It is given that: f=50HzP=4V=230 VNr=1425 rpmOuter cage:Ro'=9Ω Xo'=2ΩInner cage:Ri'=2Ω Xi'=8Ω
Q: A three phase induction motor designed for a rated voltage of Vi at 50 Hz is accidentally switched…
A: according to guidelines we need to solve only the first question. According to the question we have…
Q: A 4-pole, 3-phase, 50Hz induction motor has a voltage between slip-rings on open circuit of 520V.…
A: Given: P=4f=50HzNr=1425rpmV=520VR2=0.4?X2=2? (a) Synchronous speed can be calculated by…
Q: Determine the emf induced & efficiency for a 3300V, 3- phase star connected synchronous motor draws…
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Q: 6.36 A 440 V, 3-phase, 50 Hz, 6-pole, 945 rpm, delta connected induction motor has following…
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Q: Problem 2: Given is a 3-phase, 60HZ, 4-pole Induction motor with a rated power of 3.0hp and a rated…
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Q: 3-A three-phase, 60-Hz, four-pole induction motor runs at a no-load speed of 1790 r/min and a…
A: In this question we will find slip , frequency of rotor at no load and full load ...Speed regulation…
Q: The resistance and standstill reactance of each phase of a 3-phase induction motor with star-…
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Q: How can the starting torque of a three-phase induction motor be increased? a) by increasing the slip…
A: As from starting torque formula, τst=kE22.R2R22+X22 As E2 is due to ϕ and ϕ is due to supply voltage…
Q: 3. Compare 3 phase synchronous motor with 3 phase induction motor as regards : (i) cost and size , (…
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Q: b) A 20kW, 4-pole induction motor is designed to operate from a 440V, 50Hz, three-phase supply, and…
A: Given: A 20 kW, 4-pole induction motor is designed to operate from a 440 V, 50 Hz, three-phase…
Q: amount of power that the motor produces.
A: Three Phase Induction machine- This Induction machine comprises of rotor and stator as it basic…
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Q: A 3-phase, 350 hp, 480V induction motor has the design life of 18 years at 100°C rise in conductor…
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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: 21. A) At what percentage of slip is the pull-out or breakdown torque of a typical 3-phase…
A: Three phase induction motor is single excited system which is electrical analogy with secondary…
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: 17. A single-phase, 120 V, 60 Hz, four-pole, split-phase induction motor gave the following blocked…
A: Given Data: Main winding Voltage = 32 V Current = 4 A Power = 80 W Auxiliary winding Voltage = 40…
Q: A 3-phase, 4-pol, 50-Hz induction motor has a star-connected rotor. The voltage of each rotor phase…
A: Given: Frequency f=50 Hz No of pole = 4 Rotor current I2r=15A Rotor resistance r=0.3Ω Voltage at…
Q: A three-phase, 415V, 50Hz, six-pole, star-connected induction motor is driven from a variable…
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Q: A single-phase, 120 V, 60 Hz, four-pole, split-phase induction motor gave the following blocked…
A: Motor: It is an electromechanical device that converts the electrical power into mechanical energy.…
Q: 1-The rotor of a 4 pole, 50 Hz, slip ring induction motor has a resistance of 0.25 ohm per phase and…
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Q: Question 5 A three-phase, 60-Hz, four-pole induction motor runs at a no-load speed of 1790 rpm and a…
A: Given : A 3- phase 60 Hz 4- pole induction motor To find slip and rotor frequency at no load and…
Q: Q2 i) Explain with sketch the working of the three phase slip ring Induction Motor with a special…
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…
Q: 19. A 4-pole, 115 V, 60 Hz, 1710 rpm, capacitor-start single-phase induction motor has been designed…
A: Given: A 4-pole, 115 V, 60 Hz, 1710 rpm, capacitor-start single-phase induction motor has been…
Q: 20. A single-phase, 120 V, 60 Hz, four-pole, split-phase induction motor has the following…
A: According to bartleby only three subparts are to be answered. Kindly repost remaining subpart.
Q: Q28/ For a 3-phase slip-ring induction motor, the maximum torque is 2.5times the full-load torque an…
A: Given data, A 3-phase slip ring IM τmax=2.5τflτst=1.5τflsfl=0.03
Q: A 3-phase 400 V, 50 Hz, 6-pole star connected induction motor develops maximum torque at a speed of…
A: Given a 3-phase induction motor having, Number of poles, P= 6 Frequency, f= 50 Hz Speed at maximum…
Q: 4-25- six pole. Three phase. 40-hp, 60-Hz induction motor has an input when loaded of 35 kw, 51A ,…
A: Given data: At loading condition: 35 kW, 51 A, 440 V At no load: 2.3 kW, 21.3 A
Q: (b) The parameters of the equivalent circuit for a three-phase. Y- connected. 22ov, 60HZ. six-pole…
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Q: A 6-pole, 50 Hz, 3-phase induction motor has a full load speed of 950 rpm. Its speed in RPM at half…
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Q: 3-phase induction motor is wound for 8-pole and is supplied from 50 Hz system calculate (1) the…
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Q: 1: The resistance and stand-still reactance per phase of a 3-phase, 4-pole, 50 HZ induction motor…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: In a certain 3-phase induction motor, the resistance is one fifth the leakage reactance for both…
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Q: 3. A three phase, 25-hp, 60 Hz, 440-V, 4-pole induction motor is operated at rated voltage and rated…
A: According to the question we have to find a slip at maximum torque, maximum torque, slip at maximum…
Q: A 10HP, 550V, 60HZ, 3-phase induction motor has a starting torque of 160% of full-load torque and…
A: In this question we need to find a voltage in order that the starting current be limited to full…
Q: 17. A single-phase, 120 V, 60 Hz, four-pole, split-phase induction motor gave the following blocked…
A: Given data is- In the induction motor- Voltage V=120 vFrequency f=60 HzNo. of poles P=4 Firstly…
Q: single-phase induction motor is rotating at a speed of 1790 rpm. It ameplate is; 150-V, 60-Hz,…
A: In this question, single phase induction motor is given..We have to find its slip in forward…
Q: A three-phase, 480V, 1460rpm, 50HZ, four-pole, Y-connected wound rotor induction motor has the…
A: For the given 3 phase Y-connected wound rotor Induction motor V =480 V f= 50 Hz Following is…
Q: 24/ The resistance and standstill reactance of each phase of a 3-phase induction motor with star-…
A:
Q: 17. A single-phase, 120 V, 60 Hz, four-pole, split-phase induction motor gave the following blocked…
A: Part(a): Main Winding: P=VIcosϕ80=32×4×cosϕcosϕ=8032×4cosϕ=0.625ϕ=51.318° Standstill impedance for…
A three phase star connected six -pole induction motor has the following parameters. R1=0.294ohm, R2=0.144ohm, X1=0.503ohm, X2=0.209ohm, Xm= 13.5ohm. The slip of the motor is 2 percent. the stator input impedance of the motor is??
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- What are the advantages and disadvantages of using the following types of motors? shaded-pole motor PSC motor split-phase motor capacitor-start–capacitor-run motor17. A single-phase, 120 V, 60 Hz, four-pole, split-phase induction motor gave the following blockedrotor test data:VIP Main winding 32 4 80Auxiliary winding 40 4 128a) Determine the standstill impedances of the main and auxiliary windings.b) Determine the values of the resistances to be added in series with the auxiliary winding to obtain maximum starting torque.c) Compare the starting torques and starting currents with and without the added resistance in the auxiliary winding circuit if the motor is connected to a 120 V, 60 Hz supplyType your question here Calculate the torque developed per phase for a 6-pole, 60 Hz, 3-phase induction motor at a slip of 5%, if the motor develops a maximum torque per phase is 250 N.m while running at 870 r.p.m.
- 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.The full load slip of a 4 pole, 50 Hz, 3 phase induction motor rating at 1410 rpm is ?A four-pole, single-phase, 120 V, 60 Hz induction motor gave the following standstill impedances when tested at rated frequency:Main winding : Zm =1.5+j4 ohmsAuxiliary winding : Za =3+j6 ohmsa) Determine the value of external resistance to be inserted in series with the auxiliary winding to obtain maximum starting torque as a resistor split-phase motor.b) Determine the value of the capacitor to be inserted in series with the auxiliary winding to obtain maximum starting torque as a capacitor-start motor.c) Determine the value of the capacitor to be inserted in series with the auxiliary winding to obtain maximum starting torque per ampere of the starting current as a capacitor-start motor.d) Compare the starting torques and starting currents in parts (a), (b), and (c) expressed as per unit of the starting torque without any external element in the auxiliary circuit, when operated at 120V, 60Hz.
- A single-phase, 120 V, 60 Hz, four-pole, split-phase induction motor has the following equivalentcircuit parameters: R1m=1.5Ω, R1a=2.5Ω, R/2=1Ω, X1m=2.5Ω, X1a =2.5Ω, X/2=1.5Ω, Xmag =40Ωa) Determine the standstill impedances (Zm, Za) of the windings.b) Determine the starting torque and the starting current of the motor if it is started from rated voltagemains as a resistor split-phase motor.c) Determine the value of the capacitor to be connected in series with the auxiliary winding toproduce maximum starting torque per ampere of starting current. Determine the value of thestarting torque and starting current.d) Compare the starting torque per ampere of starting current for cases (b) and (c)40 kW is the amount of power that is fed into a 500-volt, 50-hertz, three-phase, six-pole, squirrel-cage induction motor that rotates at 975 revolutions per minute. The friction and windage losses add up to 2kW, which brings the total stator losses to 1kW.Determine the amount of power that the motor produces.A three phase induction motor is wound for 8 poles and is supplied from 50Hz system. Calculate the synchronous speed and speed of the motor when slip is 6% What are the advantages of squirrel cage induction motor over motor? write any four advantages
- An 8 pole 50 Hz, three phase induction motor runs at a speed of 720 rpm when delivering full load torque. Its stand still rotor resistance and reactance are 0.1 ohm and 0.6 ohm per phase respectively. An additional resistance of 0.5 ohm per phase is inserted in the rotor circuit to control the speed. Calculate the speed at which the motor runs now with full load torque remaining the same. (Ans: 570 rpm)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 should be the value of external resistance (in Ω) that must be inserted to the rotor circuit in order to obtain maximum torque at starting?424. What is the value of the slip of an induction motor at rated speed?