What is the function of starter for medium and large size Induction Motors?

Q: Can single phase induction motor be self-started? Explain the operation of a split phase single…

A: No, the single-phase induction motor cannot be self-started if the auxiliary winding stator winding…

Q: Indicate whether the following statement are true or false * True False Dc shunt motor is best…

A: In this question , we will see why shunt motors provide low starting torque.. Note:- I will answer…

Q: What is the disadvantage of slip ring induction motor...?

A: Slip rings are mechanical devices that enable electrical power and signal transfer from a fixed…

Q: A 220 V DC shunt motor takes 3 A at no- load. It draws 25 A when running at full- load at 1500 rpm.…

A: Drawing the circuit diagram for the given case:

Q: g) Explain the differences between shunt-winding and repulsion-start type universal motors.

A: According to the question we have to explain the differences between shunt-winding repulsion-start…

Q: 2)List the methods of speed control of three phase induction motor from both stator and rotor sides?

A: Since you posted the multiple question so I solve 2nd questions for you   List of speed control from…

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: 1-D.C. shunt motor maintains a more constant speed under varying load. (True or False) 2-Dc shunt…

A: 1-D.C. shunt motor maintains a more constant speed under varying load.    2-Dc shunt motor is best…

Q: Explain why an induction motor can not run at synchronous speed?

A:

Q: Explain briefly the capacitor start single phase induction motor, how can you determine the value of…

A: Need to explain about capacitor start single phase induction motor and  find capacitor of maximum…

Q: Explain different methods of speed control of induction motor drive.

A: Different speed control methods of induction motor are as follows- 1. Change the applying frequency…

Q: In your opinion, what happens to the rotor speed and current when mechanical load on an induction…

A: Given induction motor we have to calculate effect on rotor speed and current.

Q: Draw and explain the block diagram for speed control of an Induction machine by variable voltage…

A: Speed Control of IM There are many methods to control the speed of IM. Variable Voltage Control…

Q: What is the ratio of the outer cage torque to the inner cage torque of the indcution motor?

A: The equivalent circuit of the double induction motor:

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

A: the effect of load on  efficiency  of an induction motor is as fallows:

Q: How does the value of stator current density influences on the efficiency of the induction Motor (

A: In this question we will write effect of stator current density on efficiency of induction motor...

Q: what is dc shunt and series motor?

A: Motor is an electrical machine which converts the electrical energy into mechanical energy. DC motor…

Q: Explain the speed control methods of induction motors.   write the answer with computer please

A: Speed control of Induction motor from Stator side: By changing the applied voltage: When the voltage…

Q: Why is it advisable to start a d.c shunt motor with starting resistance maximum and resistance…

A: Because the DC motor has a huge starting current and currently can damage the DC motor's internal…

Q: Why the air gap of an induction motor is made as small possible?

A:

Q: mpare Permanent Magnet DC motor, Series DC Motor, Shunt DC Motor, and Compound DC Motor by: Speed…

A: 1) The speed regulation of the motor is basically the speed of the motor when the motor is at no…

Q: What is energy efficient induction motor and conventional indcuction motor?

A: Now a days, the demand of electricity is increasing day by day which requires additional power. Due…

Q: . Why the rotor flux is lagging with respect to stator flux of an induction motor? 2. How does a…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Why is the power factor of an induction motor calculated at full load/blocked rotor test?

A: Blocked Rotor Test A small voltage applied across the phase  Full load current flow through the…

Q: d) Explain the difference between locked motor torque and the pull up torque of an induction motor.…

A: Locked rotor torque : The torque generated by an electrical motor, when it begins at rest or zero…

Q: Can an induction motor operate at the synchronous speed?Why?

A:

Q: Can single phase induction motor be self-started? Explain the operation of a capacitor run single…

A: The single-phase induction motor is not self-starting if we don't have auxiliary winding. The main…

Q: What are the speed control methods of induction motor?

A: Speed of the induction motor is given by, From the above equation, the speed of the motor can be…

Q: What is the difference between torque of (1- 0) induction motor & torque of (3- 0) induction motor…

A: Given that  What is the difference between torque of single phase induction motor & torque of…

Q: How does the equivalent circuit of an induction motor simplify to under blocked rotor conditions?…

A: Given: Equivalent Circuit of Induction motor:

Q: Why there is need of starter in the 3-phase induction motor?

A: At the Starting of 3-phase induction motor, If we apply rated voltage to Stator, very high current…

Q: Speed control of induction motor explain full theory fast

A:

Q: Briefly explain why a synchronous motor requires starting mechanism. Is there any starting problem…

A: The synchronous motor requires a starting mechanism because; - over a certain measure, synchronous…

Q: What types of motors contain brushes and a commutator? What is the function of these parts?

A: The kind of motor which contains brushes and commutator are DC motors.

Q: How to address the low starting torque issue of induction motor?

A: At the starting of an induction motor the machine have poor power factor of the rotor circuit and…

Q: 1-) Explain why and how star-delta starting is given to induction motors.

A: In case of induction motors we will use star delta starters .     To turn on or turn off the…

Q: ) Explain why and how star-delta starting is given to induction motors

A: Bartleby has policy to solve only first question.  For solution of rest questions re-upload them.

Q: What are the methods for Starting Torque of a Squirrel-cage Motor, Explain one?

A:

Q: Why a DC shunt wound motor has a medium starting torque as compared to other

A: In a DC shunt wound motor, the armature winding is parallel to the shunt field winding. The voltage…

Q: Give a comparison among speed control methods of 3-0 induction motor.

A:

Q: what is slip ring induction motor ?

A: Slip ring induction motor: This particular type of motor has some rings connecting its exterior…

Q: What happens to rotor speed and current when mechanical load on an induction motor increases?

A: If load on an induction motor is increases then the current also increases accordingly the reason…

Q: How would you reverse the direction of rotation of an induction motor?

A: We can reverse the direction of rotation of an induction motor by changing the direction of rotating…

Q: Explain why pole changing method of speed control cannot be used for slip ring induction motor?

A:

Q: Why, for a given induction motor, might it be possible to employ direct-on-line starting in one…

A: In this question we will write why different starting methods are employed for induction motor.....

Q: Explain why and how star-delta starting is given to induction motors.

A: to Explain why and how star-delta starting is given to induction motors.

Q: How can the direction of rotation of a split-phase or capacitor-start induction motor be reversed?…

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.