Explain torque and armature current characteristics of DC motor!

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: 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: 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: Field winding resistance of DC shunt motor compared to its armature resistance is Equal Samller…

A:

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: Q3) Why can't run a (Series - DC motor) without a load??

A: Series motor never started at no load.

Q: A separately excited dc generator is rated for a load voltage of 150 V for a full load current of 20…

A: For the separately executed DC generator, the armature current (Ia) is equal to the load current…

Q: Q.4 (a) Sketch the equivalent circuit for a shunt connected DC motor. TM equation of shunt connected…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: Why is a large number of conductors on the armature in a DC Motor is desirable?

A:

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

A:

Q: a Compare synchronous and induction motor in terms of: cost, starting methods, speed and torque. b…

A: a)

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: 1-The main disadvantage of Rheostatic control method of a dc shunt motor, that the speed up to zero…

A: In this question , some statements are given related to dc machines , we have to find out that they…

Q: 4. What are the characteristics of DC Shunt Motor?

A: The various characteristics of dc shunt motor are as follows: i) Armature current-speed…

Q: Q4: Explain the meaning of the Torque-Speed characteristics of the stepper motor from the driver…

A: The torque-speed characteristics of the stepper is,

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 methods of speed control of the DC motor in Electrical Engineering? Explain them.

A:

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: Is a magnetization curve needed for a permanent-magnet dc motor? Explain.

A: The magnetization curve plays a very important role to predict the working of DC machines under…

Q: 1. Why is DC Motor current so high?  2. How can we reverse the direction of rotation of a DC motor?…

A:

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

A: As per policy attempting only first question (1) (i) There are two different explanation for this…

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

A: The electrical characteristics are,

Q: The field winding resistance of DC shunt motor compared to its armature resistance is     Very high…

A: In this answer we will try to find about different windings in the DC machine as shown below and…

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: (i) Explain the armature reaction in DC motor. How the flux is distorted by armature reaction? How…

A: The undesirable effect of armature flux on the main field flux distribution in the air gap is called…

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: Field winding resistance of DC shunt motor compared to its armature resistance is O Equal Samller…

A: In a DC Shunt motor, there are two windings, 1. Armature winding(it has armature resistance) 2.…

Q: Explain why a resistor is needed in series with the armature when starting a DC motor, but is not…

A: At starting the dc series motor draws a huge amount of current.

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: A 5-hp 120-V 41-A 1800 r/min shunt de motor is operating at full load. Its armature resistance is…

A: The solution is given below

Q: Sketch the torque versus speed characteristic for a shunt-connected dc motor. What happens to the…

A: Given:  The torque versus speed characteristic for a shunt-connected dc motor. What happens to the…

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: S5. b) By defining the motor, write down the types of DC motors?

A: Given To define Motor and write types of DC motors.

Q: Write an abstract with these topics for DC MOTORS: Types of DC Motors and its Speed Regulation…

A: as per policy I can answer only 3 subparts. Kindly resubmit remaining 2 in new post. 1. Types of DC…

Q: 1. Explain briefly in one(1) sentence how do we maximize the value of the armature current in a…

A: (1) When the load gets added to shunt wound DC motor the speed gets reduced and along with the speed…

Q: How high is the rated torque of separately excited shunt wound DC Motor?

A:

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: 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: DC motor. How the flu

A: A DC motor is a device that convert the electrical power into mechanical power. It works on DC…

Q: series motor, the armature torque is directly proportional to the armature current" True False

A: In dc series motor since the field winding is also connected in series with armature the flux is…

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: 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: For a shunt DC motor, if the field circuit is open, what will happen? Why? A series DC motor gives…

A:

Q: a). Speed characteristics of dc series motor along with suitable diagram. b). Speed characteristics…

A: This question is from " ELECTRICAL MACHINE". Under which we are going to study about the performance…

Q: Describe the constant torque and constant power operating states of the DC motor.

A: Constant torque and constant power operating states of the DC motor :- In speed control of DC motor,…

Q: Question 1: Answer all the following parts: a- Discuss the theory of operation of DC motor. b- What…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

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.