a 220v, 500A,600r/min,separately excited dc motor has armarture and field resistance of 0.2 and 10 ohms repectively. The load is given by expression TL=2000-120n, where n is the speed in(revs/s). Speeds above the rated value are obtained by armature voltage control and speeds below rated value are calculated by field control.

Q: Q#4: Obtain an expression for the condition of maximum torque of 3-phase induction motor. Sketch the…

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Q: Consider a separately-excited DC motor with an armature resistance RA =0.25 ohm and terminal voltage…

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Q: A 4 pole 10V, DC shunt motor operates on a load current 10A, having wave connected armature with 200…

A: The explanation is as follows.

Q: 436. A 230 V DC motor takes a current of 40 A and runs at 1100 r.p.m. If armature and shunt field…

A: Given a dc motor with, Terminal voltage, V=230 V. Load current, IL=40 A. Speed, N=1100 rpm. Armature…

Q: Derive the speed torque characteristics of induction motor from its equivalent circuit and also…

A: We have given the following problem

Q: (b) A hybrid stepper motor is shown in Figure Q2(b). Demonstrate how the windings of the stepper…

A: Given figure

Q: Q5/   A 4 pole, 225V , DC shunt motor develops an output power of 10 kW . If Ra = 0.06 ohms , and…

A: Q5/       A 4 pole, 225V , DC shunt motor develops an output power of 10 kW . If Ra = 0.06 ohms ,…

Q: Write a summary (points) about the stator resistance test of the squirrel cage induction motor .

A: Induction motor working Principle When an ac supply is connected to a stator it creates a rotating…

Q: For a 18600W 2400rpm DC motor, the following values are given: Ra=0.089 Q (value at room temperature…

A: Given: For a 18600 W, 2400 RPM DC motor, the following values are given: Ra=0.089 Ω at…

Q: Consider a separately-excited DC motor with an armature resistance RA-0.08 2 and terminal voltage…

A: In this question we need to find a efficiency of motor when motor is driving a load at an armature…

Q: Explain how the pulsating mmf of a single-phase induction motor may be considered equivalent to two…

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Q: A seperately excited DC Motor is operating with 400V and rotating wiht speed of 150 pm. The…

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Q: Besides low cost, what are five desirable characteristics for an induction motor?

A: Characteristics of an induction motor besides slow cost are as follows 1)  It has high pull out…

Q: 4) Sketch the speed current characteristic for a common DC motor and describe the motor performance.

A: We have to sketch the speed current characteristic for a common DC motor and describe the motor…

Q: Problem 4. A two-pole induction motor operates with the following parameters: slip = 5%, total…

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Q: A three-phase, 50-Hz, 4-pole, 575-V (line-line, rms) induction motor drive has a full-load (rated)…

A: Part (a): The expression for the linear torque-speed characteristic is given by:

Q: 300 V D.C. shunt motor runs at 300 r.p.m. ,takes 10 A and induces the emf of 50V. The armature and…

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Q: A 50 hp, 250 V, 1300 rpm dc shunt motor shown in figure below resistance of 0.05 Q. Its field…

A: P=50 HPVT=250 VNoload speed N=1300 rpmRa=0.05ΩRf+Radj=20ΩTurns per pole=950No load speed with…

Q: Draw the approximate equivalent (without Xm) circuit of an induction motor and derive the equation…

A: Induction motor working Principle When an ac supply is connected to a stator it creates a rotating…

Q: A four-pole 60-Hz 240-V-rms induction motor operates at 1750 rpm and produces 2 hp of output power.…

A: Given: A induction motor has Poles, P=4 Frequency, f=60 Hz Rated voltage, Vs=240 V Motor speed,…

Q: Mechanical Characteristics Next, we will apply Newton's law to write the differential equations that…

A: The above question is based on the mechanical model of a DC motor.

Q: .A 10 kW, 250 V Shunt motor has an armature resistance of 0.5 ohm and a field resistance of 200 ohm.…

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Q: A seperately excited DC Motor is operating with 400V and rotating wiht speed of 150 rpm. The…

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Q: Discuss the advantages of flux weakening operating regime in a DC motor.

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Q: Needs Complete solution with 100 % accuracy.

A: The objective of the question is to calculate the input power to a DC series motor powered by a…

Q: If the current drawn by a DC series motor is increased from 10 A to 12 A (neglect saturation), what…

A: Given- A DC series motor- Current increased from 10 A to 12 A, Saturation is neglected, To Find- The…

Q: ...... 4. The eddy current loss of ac motor is 100W at SOH2. Its loss at 100HZ will be S B) A…

A: As per Bartleby guidelines we are allowed to solve only one question, please ask the rest again.

Q: A permanent magnet de commutator motor has a no load speed of 6000rpm when connected to 120V supply.…

A: Given- Armature resistance = 2.5 Ω. Speed N=6000 RPM, Supply E=120 V, Torque T=0.5 N-m, Supply…

Q: For a 18600W 2400rpm DC motor, the following values are given: Ra = 0.089 2 (value at room…

A: we have ωN=2πN60=2π×240060=80π=251.327 rad/secwe knowIa=PoutEMFsince Kv=0.851…

Q: A four-pole, 24 KW, 120 V, DC machine has a Duplex LAP-wound armature which has 80 coils with 10…

A: Dear student as per our guidelines we are supposed to solve only one question.kindly repost other…

Q: A shunt excited DC motor consumes 8Kw by feeding it from a 500V line and driving a load at 1000RPM.…

A: In this question, A shunt excited DC motor Power consumes 8Kw V=500V line and driving a load speed…

Q: Q2- A 240V, series DC motor has armature and field resistances of 0.32 and 0.4 2 respectively. Its…

A: In this question, we need to determine the speed and current at the reduced torque i.e 60%.It's DC…

Q: Discuss how the speed will change if field current is decreased in a shunt dc motor.

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Q: Consider a shunt DC motor with an armature resistance RA=0.2 ohm and terminal voltage VT = 160 V.…

A: Given Data: VT = 160 V Ra = 0.2 ohm Ia = 60 A N = 1517 rpm Ploss = 848 Watt

Q: A shunt DC motor is rated at 100 hp at a speed of 1800 rpm. This motor has an efficiency of 97%…

A: Given data, Rated power, P0=100 hp=74600 Wη=97% Input power is given as, Pin=P0η=746000.97=76907.22…

Q: О 1220 гpm

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Q: For a 18600W 2400rpm DC motor, the following values are given: Ra = 0.089 O (value at room…

A: consider the given question;

Q: a. Qualitatively describe the magnetic field set up in the air gap of a four-pole three-phase…

A: Given:  To describe the magnetic field set up in the air gap of a four-pole three-phase induction…

Q: A 100 V DC separately excited motor has armature resistance 2 ohms and voltage constant of 0.6 V…

A: V = 100 V Ra = 2 ohm Kb= 0.6 V/rad/s T= 20 Nm Kt = 50 Nm/s

Q: A Short Shunt Compound DC Generator supplies 100-amp at 110-volt. Series field resistance   of…

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Q: A 500-hp, 600-volt DC motor operates at 495rpm at full load. if the flux per pole is0.1 webers and…

A: Here, K = 1.3exp(-7 flux per pole = 0.1 weber N = 495

Q: To modeling separated excited DC motor by transfer function, you need to Trus Fuc block to get the…

A: The separately excited DC motors are types of motors with speed regulation availability. To achieve…

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.