i.   When the machine is tested for its magnetization property check, the following observations are noted Draw the magnetization curve and explain the errors (if any). Why it does not start from zero and why the speed of 1000 is necessary?

Q: 2. DC Motor has 100 mWeb/pole of flux, 120 no. of conductors, 4 field poles, and it has wave winding…

A: Given a DC motor has, Flux per pole, φ=100 mWbpole Total number of conductors, Z=120 Total number of…

Q: Problem 11 A loaded shunt-wound D.C. motor operates with magnetic flux of O-0.20Wb and has an…

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Q: A 24 KW, 140 V, Duplex Lap-Wound DC machine has been set to induce rated voltage at a constant K…

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Q: types of power losses of DC motor

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Q: Question 4 For an armature voltage of 100V, and an armature current of 10A, a separately excited dc…

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Q: The intermediate between mechanical energy and electrical energy in electrical machines is... a) A…

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Q: A 8-pole d.c. motor has a wave-wound armature with 870 conductors. The useful flux per pole is 46…

A: According to the question we have to calculate the value of Torque.

Q: 4) A dc. ahunt machine while running as generator develops a voltage of 240 V at 1000 rp.m. on…

A: In this question we will find speed and efficiency of motor with given data....

Q: A self-excited DC generator has lost its residual magnetism and therefore cannot work (cannot…

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Q: Question- A 220 V DC machine supplies 20 A at 200 V as a generator. The armature resistance is 0.2…

A: Given data- 220 V DC machine, 20 A at 200 V generator, Ia=20 A, Armature resistance- Ra=0.2 Ω, Flux…

Q: If the armature current in a dc machine is 400A, what should be the current in each winding if the…

A: Given Armature current = 400 Amp, No.of Poles = 10 To calculate current in each path

Q: A 4 pole armature of a DC machine has 175 conductors and a flux per pole of 0.1 wb. Find the EMF…

A: Given a DC machine having, Number of poles, P = 4 Number of conductors, Z = 175 The flux per pole,…

Q: olb ir CI AT Classroom a docs.google.com A 300 V DC shunt motor runs at 2400 r.p.m when taking an…

A: The armature current is constant so back EMF will be constant in both cases. The speed after flux…

Q: A dc motor having flux per mole of 0.05Wb, 6 ploes containing lap winding with 600 conductors. The…

A: The data given in the question is: Flux(ϕ)=0.05Wb, P=6, Z=600, N=500rpm, Ra=0.25 ohm, Ia=40A, lap We…

Q: Explain the working principle of permanent magnetic D.C. motors (Electrical energy into mechanical…

A: Step-1->Working Principle of DC Motor-:Fleming's Left-Hand Rule, which states that when a…

Q: A DC machine has total armature ampere conductors of 4500 and total flux in the machine is 0.14 wb.…

A: Given information is shown below:

Q: A self-excited DC generator has lost its residual magnetism and therefore cannot work (cannot…

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Q: Evaluate the emf generated in a 6-pole, lap wound DC machine having flux/pole equal to 0.3 wb…

A: Evaluate the emf generated in a 6-pole, lap wound dc machine with the following parameters: Flux per…

Q: The current in a conductor on the armature of a dc motor is 300A. The flux under the poles is…

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Q: Calculate the torque in newton-metre developed by a 440 V dc motor having an amature resistance of…

A: GivenTerminal voltage V=440 vArmature resistance ra=0.25 ΩSpeed N=750 rpmArmature current Ia=60 A

Q: a) A 12 pole dc generator has a simple wave wound armature containing 3000 conductors. If the flux…

A: Since you have asked multiple questions in a single request, we will be answering only the 1st…

Q: 1.) a)Determine the type of DC Machine that can be utilized in traction purposes and locomotives on…

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Q: Write an introduction and discussion of a report on a topic (Study the Working Principle of DC…

A: Write an introduction and discussion of a report on a topic (Study the Working Principle of DC…

Q: - Indicate whether the following statement are true or false

A: in the DC machine the emf can be calculated using the following equation E =  ∅ZPN / 60 A

Q: What should be the number of revolutions of a dc machine to be able to have a generated em of 200V?…

A: In this question We need to determine the speed of the DC shunt motor.  We know E= PΦZN/(60A)

Q: A four-pole, lap-would DC machine has 462 conductors in the armature. The average flux per pole is…

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Q: What should be the number of revolutions of a dc machine to be able to have a generated em of 200V?…

A: Given data- DC machine- Generated emf E=200 V, Number of poles P=4, Total active conductors Z=746,…

Q: The current in a conductor on the armature of a dc motor is 300A. The flux under the poles is…

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Q: 3. A DC generator has no-load output voltage of 200 volts. Its armature circuit resistance is 0.75…

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Q: If the armature current in a dc machine is 400A, what should be the current in each winding if the…

A: Note In Lap winding,  Number of pole (P) = Number of Parallel path (A) In Wave winding, Number of…

Q: his according to the average magnetic flux below the poles what is the value of its density?

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Q: A 20 kW shunt machine having an Armature circuit Resistance of 0.5 N and a filed resistance of 1200,…

A: Draw the circuit diagram for the DC shunt generator.

Q: A dc shunt motor runs at 900 rpm from a 460 V supply when taking an armature current of 25 A.…

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Q: The electromagnetic torque in non sallent pole machines depends on, Oa peak value of stator and…

A: b) number of poles, machine dimensions at the air gap, or peak value of stator and rotor MMF. The…

Q: 3. Which of the following statements IS NOT CORRECT ? * for two motors with equal output power,…

A: Motor: It is an electromechanical device. this takes the electrical input and converts this power…

Q: A 6-pole d.c. motor has a wave-wound armature with 900 conductors. The useful flux per pole is 30…

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Q: A 1.5 hp Permanent magnet motor generates a voltage of 90 V when the motor runs at 2900 r/mine and…

A: The electrical energy employed as a DC motor's input source, direct current, is transformed into…

Q: A 4-pole lap connected DC motor draws an armature current of 100 Amperes at 220 Volts. The motor has…

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Motor Load, Torque, and Power Quality Requirement

An electric motor is a gadget that changes electrical energy into mechanical energy over to follow up on a mechanical burden. The weight set on the motor because of this mechanical movement is known as motor load. Appropriately matching the motor burden to the engine is vital to forestall harm to the engine or wasteful and unnecessary expensive activity. Engines perform such undertakings as moving a thing starting with one spot then onto the next, cutting it, changing its shape, etc. The motors might be evaluated as far as a few variables including power yield, voltage, current, and temperature. Harm to an engine might happen when it is worked under over the top engine load contrasted with its appraised limit.