a) Why do we use asynchronous word for asynchronous (induction) motors?

Q: A 500 V, 6-pole, 50 Hz, three phase, 8.5 kW, star connected induction motor has a no load slip of…

A: Disclaimer:  Since you have asked multipart questions, we will solve the first three subpart for…

Q: Find the Torque equation for the Dc drive thyristor ?

A: In this question we need to find the Torque equation for the Dc drive thyristor .

Q: 1.) A lap wound long shunt generator has 4 field magnets, which supplies a load of power 34KW, the…

A:

Q: 5.a. A motor which is designed with nonstandard operating characteristics is classified as a A.…

A: Motor:- It converts electrical form of energy into mechanical form of energy. Fans, disk drives,…

Q: Explain this below quesitons; a) Compare the squirrel cage induction motor with the asynchronous…

A: Bartleby has policy to solve only first question. So for the solution of rest questions re-upload…

Q: Describe how DC, No-load and Locked Rotor Tests are performed on an induction Motor.

A:

Q: M1. Which of the following is the preferred method of changing the direction of rotation of a DC…

A: a) The direction of rotation of motor is reversed either by changing the polarity of armature coil…

Q: 25. When a no-load test is conducted in an induction motor, what would happen to its circuit? a. the…

A: Given date ,  Testing of induction motor  About No load test and blocked rotor test. We know slip =(…

Q: Explain in details why does the rotor of the three phase induction motor rotate, then determine the…

A: three-phase induction rates at a slightly slower speed than the asynchronous speed of the…

Q: Discussion: 1. Calculate the efficiency , torque (T), Slip (S), for all value of the load motor…

A:

Q: The permanent magnet machines (PMM) known as "Brushless Permanent Magnet Motors", "Brushless DC…

A: The brushless dc motors and brushless permanent magnet motor are the same things.  There is a…

Q: A hybrid stepper motor has four stator poles and two 5-pole permanent magnet armatures, as shown in…

A: Given stepper motor Excitation is by two phase source

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

A:

Q: What are the two basic types of construction used for the rotors of induction motors? Which is the…

A: Lets discuss two basic types of construction which is used for rotors of induction motors is shown…

Q: A 4 pole, 50 Hz, 3-phase induction machine is rated at 1480 rpm, and 240 V. A blocked rotor test…

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

Q: What is the principle difference between synchronous and and an induction machine?

A: This question is from "Electrical Machines". Under which we are going to study the main differences…

Q: Suppose that we could use superconducting material for the rotor conductors (i.e., rotor conductors…

A: Given: Using torque-speed characteristics is shown as:

Q: 14.a. The reason for using a laminated stator core in a universal motor is to A. limit the eddy…

A: Iron losses of motor contain hysteresis and eddy current loss. Hysteresis loss depends upon core…

Q: c) Elaborate the statement that a synchronous machine is 'floating' on the bus bars

A: In an infinite bus the alternators are connected in parallel.

Q: Sketch armature current (y-axis) - torque (x-axis) characteristics of compound DC motor for three…

A: A compound DC motor connects the armature and fields windings in a shunt and a series combination to…

Q: With regard to the Methods of starting 3-phase induction motors, what are the disadvantages and…

A: The explanation is as follows.

Q: Q3. Explain why the 1-phae induction motor needs the auxiliary winding? Analyze the different split…

A:

Q: (a) Name the features of FIVE (5) types of generators with description. (b) Explain how the voltage…

A: We need to elaborate name and features of five types of generator and explain  how the voltage build…

Q: a) In the cage structure rotors, in which mechanism are the bar conductors short- circuited? b) How…

A: The induction motor is available in two types,1. squirrel cage induction motor.2. wound rotor…

Q: The frequency of the supply to the stator of a 4-pole induction motor is 60 Hz and the rotor…

A: Speed is calculated as given below

Q: Explain the principle of operation and constructional features of a three- phase squirrel cage and a…

A: To explain the operation and constructional features of 3-phase squirrel cage and 3-phase wound…

Q: The characteristic (Speed versus armature current) of a dc shunt motor is known as the electrical…

A: Electrical characteristics are the drawn between armature current on X axis and speed on Y axis.

Q: How is the stator rotating magnetic field created in the three-phase induction motor? Explain.

A:

Q: Suppose that we are designing a 1200-rpm dc motor to run from a 240-V source. We have determined…

A: Given Nm=1200 rpm Calculating linear velocity of the conductor Nm=ωm602πωm=Nm602πωm=12002π60ωm=40π

Q: Q4 (a) Name the features of FIVE (5) types of generators with description. (b) Explain how the…

A: There is five types of generators : 1. Portable generators: It is easy to carry and small in size.…

Q: In induction motors What is the difference between nominal, rated , nominal conditions,free shaft…

A: Here it is asked to mention the difference between nominal conditions, free shaft conditions and…

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: Compensating winding does not solve the problem of armature reaction completely then why do use in…

A: Compensating winding is used in DC motor for eliminating the problems of armature reaction and…

Q: A hybrid stepper motor has four stator poles and two 5-pole permanent magnet armatures, as shown in…

A: Variable reluctance and permanent magnet motors are combined in a hybrid stepper motor. A hybrid…

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.