The total losses of 3-phase induction motor at 4A armature current and 1.142 rotor external resistance. And the practical result ( T=9.5 N.m, * N=1196.17 rpm, Pph=600 watt) is
Q: QI: A single-phase induction motor is rotating at a speed of 1790 rpm. Its rated nameplate is;…
A: Q1 Given single phase induction motor with Rotating speed Nr=1790 rpmName plate is,150 v,60…
Q: 5(a). Identify the differences between a typical Induction motor and the Induction motor used in an…
A: In railway induction motor are used as traction The essential material science, the working…
Q: A 460-V, 25-hp, 60-Hz, four pole, Y-connected induction motor has the following impedances in ohms…
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Q: The parameters of the exact equivalent circuit for a three-phase, A- connected, 400-V, 10-hp, 50-Hz,…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: 14 P.14 - A three-phase induction motor with 4 magnetic poles, 60 Hz, rotates with a speed of…
A: Slip: It is the difference between the synchronous speed of the motor and the rotor speed of the…
Q: What are the various losses in an induction motor? On what actors do they depend?
A: Following are the various losses in an induction motor a) Core loss b) Stator conductor loss c)…
Q: 1 A three-phase, four-pole, star-connected wound-rotor induction motor is to be controlled by…
A: Triac stands for triode for alternating current. It is a three terminal device and has capability to…
Q: The air-gap flux density of a two-pole induction motor is given by B=Bm cos(ωt−θ)where Bm is the…
A: Air gap flux density for two pole induction motor is given by, The period of magnetic field is…
Q: Explain how the pulsating mmf of a single-phase induction motor may be considered equivalent to two…
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Q: Briefly discuss the changes in the power factor of a three-phase squirrel cage rotor induction motor…
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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: Q1: A single-phase induction motor is rotating at a speed of 1790 rated nameplate is; 150-V, 60-Hz,…
A: Let Ns be synchronous speed =120×604=1800 rpm Nr be rotor speed =1790 We will use fallowing formulae…
Q: A star-connected induction motor 3-phase, has the following equivalent circuit parameters per phase:…
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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 three-phase, Y-connected, 220 V, 5 kVA, salient-pole synchronous generator is employed to supply…
A: Given information about a three-phase Y-connected salient-pole synchronous generator is: Rated…
Q: 14.2). Ind the upitance to Be (Electrical Machines-III, Indore Univ. July, 1977) winding for maximum…
A: Please find your answer below in step 2
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…
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Q: Find the maximum efficiency of shunt generator has the armature resistance and shunt resistance 0.08…
A: Given Ra=0.08 Ω Rsh=120 Ω Wr=800 W VT=250 V
Q: Discuss the ratios of no load current, and starting current of three phase induction motor to its…
A: The explanation and answer are as follows.
Q: For a 3-phase induction motor, what fraction/multiple of supply voltage is required for a…
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Q: For a 3-phase slip-ring induction motor , the maximum torque is 2.5times the full-load torque and…
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Q: 4-A long shunt compound DC generator delivers a load current of 150A at 230V and has armature,…
A: As per our guidelines, we are supposed to answer only one question. Kindly repost the other question…
Q: b) Why the power factor of three-phase induction motor low at no-load and increase applied load…
A: In this question , we will write the reason of low power factor of induction motor at no load..
Q: The full load slip of a
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Q: electrical machines Explain the load operation test by drawing the test connection diagram of the…
A: INDUCTION MOTOR: Based on the rotor construction, the induction motor is classified into Squirrel…
Q: A 220-V-rms (line-to-line), 60-Hz, three-phase induction motor operates at 3500 rpm while delivering…
A: Given Nf=3500 rpmf=60 HzP=2 Calculating synchronous speed Ns=120fPNs=120×602Ns=3600 rpm Hence,…
Q: A 460-V, 25-hp, 60-Hz, four pole, Y-connected induction motor has the following impedances in ohms…
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Q: Sketch a typical torque vs speed curve for a high efficiency induction motor
A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…
Q: A 3-phase induction motor , the impedance of star connected stator winding is 0.2+j 3 ohm per phase.…
A: According to the question we have to calculate rotor current and power factor at rated speed with…
Q: a- Draw the equivalent circuit of three phase induction motor referring all parameters primary to…
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Q: List the different types of stray load losses in an induction motor.
A: Stray load losses are lossed whose exact value can not be determined.
Q: V. List the different types of stray load losses in an induction motor.
A: The explanation is as follows.
Q: The no- load speed of 3=phase, 4-pole, induction motor connected to a 3-phase 50HZ .supply is…
A: Three phase induction motor-When a three-phase stator displaced by 120 degrees (in space of 120…
Q: base on below mentioned Comparison of the performance indexes discuss and advice best induction…
A: Given chart is - Given values are - AAC Ltd. Induction motor-Efficiency=85.9%Speed…
Q: Q3: a- Draw the equivalent circuit of three phase induction motor referring all parameters primary…
A: 3-phase Induction Motor- When a three-phase stator displaced by 120 degrees (in space of 120…
Q: . List the different types of stray load losses in an induction motor.
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Q: 4-A long shunt compound DC generator delivers a load current of 150A at 230V and has armature,…
A:
Q: A 20KW, 440V, short shunt compound dc generator has full load efficiency of 87%. If the resistance…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: 4. In a three-phase induction motor power factor at starting is ..... while running. Why? 5. What…
A: 4) In three phase induction motor power factor at starting is low compared to power factor while…
Q: Q2: A single-phase induction motor with a 4-pole, 50-Hz, 130-V, is rotating in the clockwise…
A: Slip=Ns-NrNs. Nr is rotor speed Ns is sycronous speed of rotating magnetic field. Forward slip is…
Q: Q2: A single-phase induction motor with a 4-pole, 50-Hz, 130-V, is rotating in the clockwise…
A: Slip of Induction motor is sycronous speed-rotor speedsycronous speed Forward branch resistance…
Q: analyze 3 commonly used ac motor starting methods using suitable diagrams and torque-speed curves
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Q: a) In the experiment of performance study of three-phase wound rotor induction motor, what are the…
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Q: Q3/ A/ A3-phase, 5.5kW, 440V, S0HZ, cylindrical rotor S.M has synchronous reactance of (0+j2)…
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Q: Draw the power flow diagram of induction motor and iosses, the air gap power and the converted…
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Q: Q/ Compare synchronous and induction motor in terms of cost, starting methods, speed and torque.
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- IV. What are the various losses in an induction motor? On what actors do they depend?A separately excited generator has no-load voltage of 125V. A certain load rated at 1200W, 120V is then connected at the terminal. Calculate the series resistance needed to connect to the armature circuit in order for the load to operate at rated condition if the armature resistance is 0.0692Ω.A 20KW, 440V, short shunt compound dc generator has full load efficiency of 87%. If the resistance of the armature and interpoles is 0.4ohm and that of the series and shunt fields 0.25ohm and 240ohms respectively, calculate the combined bearing friction, windage and core loss of the machine A 10 kW 250 volts self-excited generator, when delivering rated load, has an armature-circuit voltage drop of 5% of the terminal voltage and a shunt field current equal to 5% of the rated load current. The resistance of the armature is 0.02 ohm. Calculate the voltage generated and power output.
- A shunt generator supplies a 30kW load at 215V through cables of resistance, R = 110mn. If the field winding resistance, Rf =680 and the armature resistance, Ra =45mn. Determine the following below: The terminal voltage is, The e.m.f. generated in the armature is,A long shunt cumulative compound dc generator delivers a load current of 60A at 440V. The shunt field resistance , series field resistance and armature resistance are 80, 0.9 and 0.4 respectively. Calculate the induced emf and load resistance.(a) A short shunt cumulative compound dc generator supplies 6kW at 235V. The Shunt field resistance, Series field resistance and Armature resistances are 8012, 0.192 and 0.22 respectively. Calculate the induced emf and load resistance.
- A shunt generator supplies a 31kW load at 230V through cables of resistance, R = 122mΩ. If the field winding resistance, Rf =50Ω and the armature resistance, Ra =51mΩ. Determine the following below: The terminal voltage is, Answer and unit for part 1 The e.m.f. generated in the armature is,A short shunt compound DC generator delivers a load current of 30 A at 220 V and has armature, series field and shunt field resistances of 0.05, 0.3 and 200Ω respectively. Calculate the induced emf, the armature current and the voltage regulation. Allow 1 V per brush for contact droWith the aid of mathematical expressions explain the following terms with respect to squirrel cage induction motorsi. Stray Lossesii. Air gap Poweriii. Rotational lossesiv. Friction and Windage lossesv. Stator Copper lossesvi. Rotor Copper lossesvii. Mechanical Losses
- Q/ dc shunt generator 4 pole with 500 condcutor , wave running at speed 1000 r.p.m the resistance of armature and field are 0.02 , 55 ohm and delivering load 43.12kwatt at terminal voltage 220 volt, the iron losses is 750 watt 1-Torque developed by the prime mover .........and The torque developed by the armature ........... when running at 1000 r.p.m * 2-The load current ,,,,,,,,,,,,when the speed drops to 800 r.p.m. if If is unchanged ? * 3-Output of the prime motor…….kwatt * 4-Mechanical , electrical and overall efficiency …….. * 5-Flux per pole is......... wb *With the aid of mathematical expressions where necessary, explain the following terms with respect to squirrel cage induction motorsi. Stray Lossesii. Air gap Poweriii. Rotational lossesiv. Friction and Windage lossesv. Stator Copper lossesvi. Rotor Copper lossesvii. Mechanical Lossesbase on below mentioned Comparison of the performance indexes discuss and advice best induction motor.