1. Why is DC Motor current so high?  2. How can we reverse the direction of rotation of a DC motor? 3. Can a DC shunt motor be operated on AC supply? Explain.

Q: Indicate the parts of DC motor illustrated below.

A:

Q: 1.How does a DC Shunt motor work?

A: As per Bartleby guidelines we are allowed to solve only three subparts only, please ask the rest…

Q: The direction of rotation of Series DC motor can be reversed by interchanging terminal(s). 1) Field…

A: The change in the flow of current divert the direction of the spinning force, due to this the…

Q: 8. In what two ways can the speed of a dc motor be varied? a) b) 9. Of the two methods given in (8):…

A: 8)  The two way we can varied the speed of DC motor are:- a) field controlled :- In this method we…

Q: List three methods for controlling the speed of a dc motor.

A: The three methods for controlling dc motor are as follows: Flux control Voltage control Armature…

Q: Does the speed of a shunt motor increase or decrease when the armature current increases? 5. What…

A: A DC motor is a machine which takes DC electrical energy as an input and produces mechanical output…

Q: Explain with proper diagrams, how does the increase of field resistance for speed control in a small…

A: The connection diagram of a shunt motor of the field resistance control method (Flux control method)…

Q: a. Explain the principle of operation of a shunt DC motor b. Give a brief description of a…

A: (a). Due to the current flowing in the armature winding, we have magnetic flux. The field winding…

Q: What type of speed control method provides above the normal speed of the DC series motor? O a.…

A: Find method for above speed

Q: What are the advantages of shunt de motor?

A: A DC shunt motor is the motor which is self excited in nature and the field connection is in…

Q: What are the methods of speed control of the DC motor? Explain them.

A:

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: Q1) How can run dc motor from right to left? Explain all cases.

A: For changing the direction of rotation of a DC motor one should understand how motors start…

Q: What is the difference between Self Excited and Separately Exited DC motor?

A: In Self excited DC motor, the current required to generate flux in field winding is supplied by the…

Q: 2- Why is series DC motor used for accelerating heavy masses?

A: Need to find why DC series motor is used for accelerating heavy loads

Q: Briefly explain the construction and operation of a DC Shunt motor.

A:

Q: Consider a shunt-connected dc motor. What are the names of the two windings? Which is on the stator?…

A: There are two windings in DC motors; Field winding which is used to setting up the magnetic field…

Q: d- How do you can control their speed? State their applications. e- Compare between the brushed and…

A: (d) In speed control of DC Motor, There are three method to control the speed. Field weakning or…

Q: What are the factors that affect the speed of a DC motor? *

A: speed of the DC motor can be determined using the following relation

Q: (B) / Explain the speed control methods of DC shunt motor.

A: In speed control of DC shunt Motor, As, N∝V-IaRaϕN is speed, V is supply voltage, Ia is armature…

Q: Questions:- 1-why does the speed fall slightly when the d.c. shunt motor is loaded? 2- what is the…

A:

Q: 2. What happens if the additional resistance is added in series with armature? 3. What will happen…

A: 2. when an additional resistance is added to in series with the armature then the voltage drop of…

Q: ONE SENTENCE ONLY. how do we maximize the value of the armature current in a shunt dc motor in the…

A: Circuit for DC shunt motor, From emf equation of DC shunt motor, the armature current equation will…

Q: What effect does varying the DC incitation have on the stator currents of a synchronous motor?

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

Q: (а) Explain the three (3) main differences between AC and DC motors?

A: AC motors :- Alternating current DC motors :- direct current motors.    Here we are explaining 3…

Q: Briefly explain stator frequency speed control method of Induction motor.

A: The Synchronous speed of the induction motor is given by the formula: Ns=120×fP Where, f: Frequency…

Q: 2. In a DC shunt motor, what will be the armature current at maximum load?

A: In the DC shunt motor, the armature current is given by, Ia=IL-If Where Ia is armature current, If…

Q: 4) Is the statement “An induction motor has the same physical stator as a synchronous machine, with…

A: Induction motor is single excited machine.synchronous motor is a doubly excited machine.Rotor of…

Q: How universal motor can be run on AC and DC supply ?what are the material used in the universal…

A: A universal motor is a series-wound motor — meaning that the field and armature windings are…

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: 2. What are the different types of dc motor? 3. What is the basic principle of working of DC motor?

A:

Q: How the field control used in series dc motor

A: For the DC series motor speed equation is given by  N=Ebk∅ .............(1)where Eb=V-IaRa= back emf…

Q: 4. Why Is The Starting Current High In A Dc Motor?

A: Armature resistance of DC motor is in range of 0.1 to 0.3 ohms so when connected to supply voltage…

Q: Question 3:7 Discuss improvements that could be made to both motors. *Discuss improvements that…

A: An electric motor (sometimes known as the electrical motor) is a mechanism that transforms…

Q: 1. How can you reverse the direction of rotation of a synchronous motor? 2. What effect does varying…

A: 1. The direction of rotation of a synchronous motor can be reversed by interchanging any two of the…

Q: 1-why does the speed fall slightly when the d.c. shunt motor is loaded? 2- what is the effect of…

A: Hello. Since you have posted multiple questions and not specified which question to solve. We will…

Q: .    What is the effect of the field excitation to the back emf of the synchronous motor?

A: Synchronous motor- It is an electric motor which is operated at AC supply. As the name suggest, its…

Q: When the speed of the dc motor is varied by changing the armature resistance, is to be held…

A: Armature resistance method is used for controlling the speed of DC machine. The armature resistance…

Q: What are the advantages and disadvantages of air motors?

A:

Q: O Explain the reason how AC Commutator motor is operated with DC or single phase AC. e Explain how…

A: Commutator is feature of DC motor. However, AC motor with wound rotor with brushes and commutator…

Q: In regards shunt DC motors, is the statement “The armature current is equal to the field current"…

A: Types of DC Motor  DC shunt Motor DC series Motor Seperetely excited Motor Compound Motor....etc

Q: The armature terminal voltage of a separately-excited DC motor increases while the field current and…

A: DC motors:- Direct current motors are used for the conversion of electrical energy into mechanical…

Q: Prove that mechanical power developed by a self excited DC shunt motor is maximum when back EMF is…

A: we need to find prove Eb=V2, for maximum power.

DC Series Motors

A DC motor is a type of electric motor which converts electric energy into mechanical energy. The forces that are produced by the magnetic field are what those common types of motors rely upon. Either electro-mechanical or electronic, all types of DC motors have some internal mechanism to change the current direction in part of the DC motors. As the DC motors could be powered from existing DC lighting power distribution systems, these motors were the first form of motors widely used. By changing the strength of the current in its field winding or by using a variable supply voltage, the speed of the DC motors can be controlled over a wide range.