A 25 HP, 6 pole, 50 Hz, 3-phase slip ring induction motor runs at 960 revolutions per minute on full load with a rotor current per phase of 35 A. Allowing 250 W for the copper loss in the short-circuiting gear, and 1000W for mechanical losses, find the resistance per phase of the three-phase rotor winding

Q: 4. for three phase induction motor, the decreasing in the starting torque when the motor started by…

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Q: A three-phase star-connected alternator working at 1800 KVA,50 Hz,2200 V, has an armature dc…

A: Given Three-phase star connected alternator at1800 KVA,50 Hz,2200 vThe armature dc resistance is…

Q: a single - phase induction motor is disconnected from 220 V, 50 Hz AC power supply, and the stator…

A: single-phase induction motor In this type of motor there is nothing like rotating magnetic field…

Q: A 30 induction motor has a 4-pole, Y-connected stator winding. The motor runs on a 50Hz supply with…

A: Three phase induction motor convert the electrical energy to mechanical energy. It consists a rotor…

Q: the motoring induction mạchine at 40 hp. Neglecting the slight change in the generating machine…

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Q: In DC shunt generator the type of current flows in field winding is AC whereas in armature winding…

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Q: A synchronous, three-phase motor, connected in Y, with a frequency of 60Hz, 2300V, has a synchronous…

A: frequency,  synchronous reactance, efficiency,  The power factor angle is 15 electrical degreesand…

Q: of.fe.ST 1. Laminations of core are generally made of.. 2. In case of the induction motors the…

A: As per the guidelines, we supposed to answer three questions at a time, please ask other question…

Q: Determine the synchronous impedance and reactance of an alternator in which a given field current…

A: Note: Synchronous impedence of a Synchronous machine is defined as the ratio of open circuit voltage…

Q: A 230 V single-phase induction motor has the following parameters: R1 =R2= 11 ohms, X1 = X2 = 14…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: B/ fill in the blanks: A. The power factor of a squirrel cage induction motor is.... at light load…

A: In this question We need to fill all the blank.  All questions are related to the induction motor.…

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: QUESTION 12 An 6.6 kV, three-phase star-co armature resistance is 1.2 Qa Determine efficiency of the…

A: Line voltage Full load current I = 200 A.Power factor = 0.8 ( Leading ).Armature resistance per…

Q: At standstill, the impedances of the inner and outer cages of an induction motor are Z, = 0.02 + j2…

A: The impedance of the inner cage at the slip s is given as,  Zi=0.02+j2 ΩZI=0.02s2+22 The impedance…

Q: three phase induction motor with supply frequency of 60 Hz, 8 poles. If the slip is 2.5 % at a…

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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: Design and develop equivalent circuit model of a single phase Induction motor with th consideration…

A: It is asked to develop equivalent circuit model of a single phase induction motor.Also it is…

Q: A 3-phase, 2-pole-pair, induction machine operates at 1450 revolutions per minute when fed from a…

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Q: In alternator armature winding why we prefer : a- short pitch winding w.r.t. full pitch winding? b-…

A: (a) Short pitched coils are preferred over full pitch coil because : It eliminates high-order…

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: B) A 120-V, 50-Hz single phase induction motor (split -phase) has the following constants for the…

A: The solution for single phase induction machine is very easy and it can be solved as below

Q: A 460-V, 25-hp, 60-Hz, four pole, Y-connected induction motor has the following impedances in ohms…

A: Given  A 460-V, 25-hp, 60-Hz, four pole, Y-connected induction motor has the following impedances in…

Q: [62.3A, 0.82, 44.7A] age of 120 V between the slip rings on s reactance of 10 per phase at…

A: The solution is given below

Q: A balanced three phase induction motor has an efficiency of 0.85 when its output is 44.76 kW. At…

A: In this question,   We need to determine the slip of the induction motor?  If output power Po=…

Q: ated output with a power factor of 80%. The DC armature resistance at 70°C between terminals is 0.08…

A: Given, Alternator rating = 1500KVA, 2300 V, 3-PHASE, Y-connected Power factor = 80% At 70° C,…

Q: A 4-pole, 3-phase alternator drives at 1000 r.p.m. is supplying to an induction motor which has full…

A: Given: 3 Phase Alternator P = 4 Ns = 1000 RPM Full load Speed = 2880 RPM

Q: 4- The step-down transformer ?

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

Q: A four – pole dc generator armature is lap wound with 60coils. Each coil has 8 turns. Determine the…

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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: induction

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Q: A synchronous, three-phase motor, connected in Y, with a frequency of 60Hz, 2300V, has a synchronous…

A: It is given that: frequency,  synchronous reactance, efficiency,  The power factor angle=15…

Q: 2. A 3-phase, 400-V, Y-connected induction motor has an equivalent T-circuit consisting of R₁ = 192,…

A: Given data, No. of phases=3 Voltage (V)=400VR1=1ΩR2'=1.2ΩX1=1ΩX2'=1.5ΩImpedance=(4+j40)Ω

Q: In a three-phase switched reluctance motor having six stator poles and four rotor poles, the pole…

A: Number of stator poles = 6 Number of rotor poles = 4  pulse width  =40 degree is same for stator and…

Q: Q2) discuss (4) of the following: 1- What do you mean by speed of a 3-phase motor? 2- Why cannot…

A: 2) why cannot three phase motor run at synchronous speed ? Ans. In three phase motor there is some…

Q: (a) A standard 3-phase, 10-pole, squirrel-cage induction motor is rated at 460 V, 50 Hz. We want the…

A: In this question,  Find the voltage and frequency if the no load speed No= 300rpm .  Rated voltage…

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: No load test was conducted on a three phase induction motor at different input voltages and the…

A: In induction motor, overall constant loss will be the sum of iron loss and mechanical loss. But…

Q: Electrical Engineering Consider a balanced 3-phase current flowing into the stator of a 2-pole…

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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.