A 6-pole, 50 Hz, 3-phase induction motor with a rotor resistance of 0.25 ohm develops a maximum torque of 10 Nm at 875 rpm. The rotor reactance and slip at maximum torque is ?

Q: Discuss how the Torque is developed in an Induction Motor

A: Gy

Q: Q#4: Obtain an expression for the condition of maximum torque of 3-phase induction motor. Sketch the…

A:

Q: A SEDC motor has an armature resistance of 1.15 ohm and an armature voltage constant kv=0.78…

A: The output of a single phase fully controlled converter is Dc voltage. This Dc supply is given as…

Q: What is the main difference between modern and classical induction motors?

A: Solution Induction Motors are generally utilized as a part of the modern application because of a…

Q: QI/Prove that the power developed by a three-phase induction motor is maximum when the equivalent…

A: in the case of the induction machine, we have stator side referred reactance as X01 and resistance…

Q: Derive the speed torque characteristics of induction motor from its equivalent circuit and also…

A: We have given the following problem

Q: A three phase, 60 Hz, 6-poles induction motor has a full-load speed of at 1150 rpm and delivers…

A: Given data f=60 Hz P=6 NFL=1150 rmp Nreduced=960 rpm To find out We have to determine the ratio of…

Q: An induction motor develops rated torque with a slip of 3.5% when the rotor is cold. If the rotor…

A: Answer : given that an induction motor develops rated torque with  a slip of S = 3.5%= 0.035 rotor…

Q: 6. What should be done for an induction motor to be able to produce the highes possible torque?

A:

Q: Besides low cost, what are five desirable characteristics for an induction motor?

A: Characteristics of an induction motor besides slow cost are as follows 1)  It has high pull out…

Q: A three-phase, 50-Hz, 6-pole induction motor develops a useful torque of 120 Nm at full-load, while…

A: Given : Pole = 6  Frequency =50 HZ  Useful Torque = 120 Nm Rotor Frequency = 2 HZ torque Lost = 10…

Q: A 6-pole, 60-Hz, Y-connected, three-phase induction motor develops a torque (Td) of 250 N.m at a…

A: According to question: The synchronous speed and slip of the motor is calculated as…

Q: The rotor of an induction motor has a moment of inertia of 5kgm2. What is the torque required to…

A: Given data,  Inertia is given as, I=5 kgm2 Final speed Nf=1800 rpm Initial speed Ni=1600 rpm Time t…

Q: A 48kW, 600V, 1500 rpm separately excited de motor is controlled by single phase semi-controlled…

A: Armature resistance (Ra) = 1 Ω         Field resistance (Rf) = 145 Ω        Firing angle of…

Q: A 250 V series motor has an armature resistance of 0.2 ohm and a series-field resistance of 0.18…

A:

Q: A 4-pole, 50-Hz induction motor has a full-load slip of 5%. Each rotor p resistance of 0.3 2 and…

A: In this question we will find ratio of maximum torque to full load torque and speed at which maximum…

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: What are advantages and disadvantages of the induction motor?

A: Advantages of the induction motor: Since, the stator of the synchronous motor and the induction…

Q: Type your question here A 6- pole, 50 Hz 3-phase induction motor has a full load slip of 4 percent.…

A: Here induction motor is given and we have to find speed at maximum torque and full load torque

Q: A 4-pole, 50 Hz, 3-Phase induction motor has rotor resistance of 0.20 02 per phase and a maximum…

A:

Q: Q1: A single-phase induction motor is rotating at a speed of 1790 rpm. Its rated nameplate is;…

A:

Q: A certain 60Hz, four-pole split-phase induction motor spins at 1760rpm when running with no torque…

A:

Q: A three-phase, 50-Hz, 6-pole induction motor develops a useful torque of 120 Nm at full-load, while…

A: Here 3 phase induction motor is given and the rotor frequency is given so find the slip synchronous…

Q: A three-phase, 460 V, 98hp 1,60 Hz, four-pole induction machine delivers rated output power at a…

A: We have an induction motor with, Supply Voltage (Vl) = 460 V Power Output = 98 hp Frequency (f) = 60…

Q: The frequency of the supply to the stator of an 8-pole induction motor is 50 Hz and the rotor…

A:

Q: Sketch the torque versus speed characteristic for a series-connected dc motor.

A: The circuit diagram of the DC series motor can be drawn as  Thus for constant power motor : Ns α 1Γ…

Q: a) Briefly explain basic operating principle of an induction motor.

A: In this question we will write working principle of induction motor....

Q: 1. A fundamental DC motor is shown below. VTerminal = 90V. The running current, I = 5 A and the…

A:

Q: What is the effect of load on the efficiency of an induction motor?

A: The explanation is as follows.

Q: Q5// A: The below curve represents Ta/la characteristic of a dc series motor. Briefly discuss this…

A:

Q: Illustrate the effect of increasing number of poles in induction motor.

A: The main thing to understand is that increasing the number of poles reduces the motor’s synchronous…

Q: A 4-pole, 50 Hz, 3-phase induction motor has a rotor resistance / phase of 0.03 ohm and reactance of…

A: We have an 3-phase induction motor. Given data of motor, Pole (P) = 4 Frequency (f) = 50 Hz Rotor…

Q: 1.In order to have sparklesscommutation, the brushes should be placed along................. 2.D.C.…

A: 1. In order to have a sparkles commutation  , the brushes should be placed along MNA(magnetic…

Q: A 240 V, DC shunt motor draws 15 A while supplying the rated load at a speed of 100 rad/s. The…

A: Given- Voltage Vt=240 V. Line current I=15 A. Armature resistance Ra=0.5 Ω. Shunt resistance Rsh=80…

Q: How can the speed of a shunt DC motor be controlled

A:

Speed control of motor

Speed control by DC motor-speed controller is required to realize variable speed drive. Whenever a motor drives a particular load, it is called drive, and variable speed drive refers to a load requiring variable speed. All this is obtained by a DC motor speed controller.