Why it is not possible to start dc series motor without load?
Q: what is the Speed Regulation of a DC motor
A:
Q: 8. A shunt motor is running at 1200 rpm for a load which requires an armature current of 50 Amp from…
A: Given Speed N=1200 rpm Armature current Ia=50 A Terminal voltage V=230 V No-load armature current…
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: (b) List three methods that can be used to control the speed of DC motors. Explain why one of the…
A: NOTE: “Since you have asked multiple question, we will solve the first question for you. If you want…
Q: List the methods of speed control of three phase induction motor from both stator and rotor sides?
A: The list of methods of speed control of three-phase induction motor from the stator side is as…
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: 1- Why should the D.C series motor not be operated at no load and light load?
A: It is seen earlier that motor armature current is decided by the load. On light load or no load, the…
Q: Q/ How to reverse the direction of rotation of the DC motor in the series connection once and in the…
A:
Q: in Speed Control of Three Phases I.M. by Variation of Rotor Resistance Explain why pole changing…
A: The speed control of the three-phase induction motor by the variation of rotor resistance: - The…
Q: Explain briefly in maximum of two(2) sentences why the series wound DC motor type has a higher…
A: Incase of DC series motors armature and field winding is connected in series. The entire current is…
Q: 1) Explain why we fixed the ratio of V/f in experiment to control the speed of three phase induction…
A: if we decrease frequency flux increases but at the same time if we decrease voltage flux will also…
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: 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: "Explain why speed of a DC motor get affected on load, if its series field winding is connected…
A: DC motor emf equation is given as, E=NPϕZ60AN=EA60PϕZk=PZ60ASo, N=EKϕ The torque equation of the DC…
Q: In a compound DC motor, why does the speed decrease by increasing the torque (the same voltage…
A: Torque and speed are inversely proportional. This is because the ability to generate torque…
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: 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: How high is the rated torque of the separately excited shunt wound de motor?
A: DC Motor DC motor is a rotating electrical machine that converts direct current electrical into…
Q: 4-What is the main function of a diverter used in series wound DC motor?
A:
Q: 5. Which type of DC motor should be used if constant speed is needed? series shunt induction…
A: In this question, We need to choose the correct option Which motor is used for constant speed?
Q: Explain the speed control of DC shunt motor
A: According to the question, Explain the speed control of DC shunt motor.
Q: - In speed control of dc shunt motor, the speed is inversely proportional
A: The relation of back emf generated in D.C. motor is given as, Here, k is the proportionality…
Q: Why is a starting resistor used in DC motor circuits?
A:
Q: Speed control of induction motor explain full theory fast
A:
Q: 5. What is the difference between Self Excited and Separately Exited DC motor? 6. We know there are…
A:
Q: 1- Give the main purpose of the no-load test in (3 - 0) squirrel cage induction motor?
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: A compound wound DC motor is more stable than a series wound DC motor and its starting…
A: The DC motor is also known as self excited motor and the construction of DC compound motor is done…
Q: a)Explain the speed control methods of direct current motor. b)Compare linear current series motor,…
A: For a) Speed control of a DC motor is either done manually by the operator or by employing an…
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: How high is the rated torque of separately excited shunt wound DC Motor?
A:
Q: Discussions 1- Why should the D.C series motor not be operated at no load and light load?
A: Bartleby has policy to solve only first question and if it has any subparts then solve only first 3…
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: Why single phase induction motor is not self starting
A: The reason for the single phase motor to be not self starting is double field revolving theory.…
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: How can the speed of a shunt DC motor be controlled
A:
Q: Draw and explain the equivalent circuit of a single-phase induction motor based on double field…
A:
Q: 6. The major failure area of a typical wound-field and wound-armature DC motor is A. brush wear and…
A: In DC machine, major problems are due to brushes.
Q: Justify with suitable diagrams why reluctance motor is termed as variable torque motor and…
A: The reluctance motor has basically two main parts called stator and rotor. the stator has a…
Q: Q1) Why is a starting resistor used in DC motor circuits?. Explain in detail.
A: As per Bartleby guidelines we are allowed to solve only three subparts, please ask the rest again.
Q: Report 1- Sketch speed (y-axis) torque (x-axis) characteristics of compound DC motor for three…
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Why it is not possible to start dc series motor without load?
Step by step
Solved in 2 steps with 1 images
- what are the disadvantages of slip ring induction motor?a) Why the slip of induction motor is never zero, b) What happens if the slip of induction motor is one, c)What is the value of the slip for an induction motor at no load and full load.Explain torque speed/torque slip characteristics of 3 phase induction motor.
- What is a single - phase induction motor? How does a single- phase induction motor work? How do you test a single phase motor? Which capacitor is used in single phase motor? What are the advantages of single phase induction motor? What are the applications of single phase induction motor? How does an induction motor start? What are the differences between single and three phase I.M ? What are the types of induction motor? What is the difference between induction motor and normal motor? Why three-phase induction motor self start while single phase motor does not self start?L-1). The 3-phase wound-rotor induction motor has .... . a) high starting torque b) low starting current c) both "a" and "b" d) neither "a" nor "b" L-2). The 3-phase wound-rotor induction.........a) motor has a wire wound rotor b) motor's rotor can be connected to an external resistive load by way of slip rings and brushes c) motor requires more maintenance than the 3-phase squirrel-cage induction motor d) all of the above L-3). The 3-phase wound-rotor induction motor's rotor circuit's resistance should be adjusted so it is__________ during starting. a) low b) high c) either "a" or "b" d) neither "a" nor "b" L-4). Will a 3-phase wound-rotor induction motor start with no external circuit connected to its rotor leads? a) yes b) noWhy single phase induction motor is not self starting
- 1.why the slip of induction motor is never zero, 2.what happens if the slip of induction motor is one, 3.what is the value of the slip for an induction motor at on load and full loadWhat is the main difference between modern and classical induction motors?What is the relationship between slip s) and load (Pa) in an induction motor? Please explain.