What is the effect of high current at starting of the Motor? a. Damaging the Commutator O b. Burning the armature O c. Excessive voltage drop O d. All of the above
Q: The 200 V shunt motor has input and output powers of are 35 and 32 Hp respectively. The field and…
A: In this question, The 200 V shunt motor input power 35HP output power =32 Hp The field and…
Q: 3- A 240 V shunt motor takes a total current of 30 A. If the field winding resistance is 150 2 and…
A: Dear,as per company guidelines we can answer only one question at a time, kindly post other question…
Q: - A four poles d.c Motor with a progressive simplex lap winding, 12 slots , Draw developed diagram…
A: Given DC motor has simplex lap winding structure with 4 poles and 12 slots In this simplex winding…
Q: 1. A 230 V shunt motor takes a total current of 25 A. If the field winding resistance is 100Ω and…
A: Armature current=Total current-shunt field current. shunt field current=Voltage across…
Q: Q1) A 350 V shunt motor runs at its normal speed of 12 rev/s when the armature current is 90 A. The…
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Q: H.W. 4 Division: Electronic Eng. Subject: Energy conversion I Year : Second Q1: A (250) V, d.c.…
A: Given Supply Voltage V = 250 V Line Current IL = 20A Shunt Resistance Rsh = 200Ω Armature Resistance…
Q: A 20kW, 200V dc shunt motor has an electrical efficiency of 86% and an armature resistance of 0.25Ω.…
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Q: What is the name of the speed control by varying the field current of the DC motor? O a. None of the…
A: Because the field current produces the flux, and if we control the field current then the speed can…
Q: (c) A 200 V, 1000 rpm, 100 A DC separately excited motor has an armature resistance of 0.05 Ohm. The…
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Q: A 25 hp, 240 V, 1800 rpm dc shunt motor draws a full load line current of 89 A, and has an armature…
A: I am attaching detailed solution image of this question.
Q: A 220 V shunt motor has armature and field resistances of 0.5 Q and 220 Q respectively. Initially,…
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Q: 8.a. Why are wound-rotor motors successful in controlling the speed of printing-press drives? A.…
A: Answer 18(a): The wound rotor motor is widely used in industrial application as it has wide range of…
Q: The armature and shunt field resistance of a 600 V shunt motor are 1.5 ohm and 600 ohms…
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Q: A 440V 75 hp shunt motor has an armature resistance of 0.185 ohms and a field resistance of 350…
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Q: A 250 V DC long-shunt, compound motor takes a current of 82 A at full load. Calculate the motor…
A: There are two types of compound motor.in commulative compound motor, shunt field add the series…
Q: 01 A 230-V d.c. shunt motor has an armature resistance of 0.3Q and field resistance of 115 Q. At no…
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Q: Q3/ ..il. b- A 220 V, shunt DC motor takes an armature current of 18 A. The armature resistance is…
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Q: A 120 V shunt motor has an armature equivalent of 0.5 ohm and a field resistance of 60 ohm. At full…
A: Given data, Armature resistance Ra=0.5 Ω Field resistance Rf=60 Ω Terminal voltage V = 120 V Load…
Q: A belt-driven 202 Hp shunt wound DC generator is running at 465 rpm and is supplying full load to a…
A: Given Belt driven Shunt compound DC generator of output P0= 202 Hp The speed N=465 rpm The busbar…
Q: e) The motor is now connected differentially compounded. What is the motor's field current in (A)…
A: From the circuit diagram, IF=V(RF+RAdj)=240(75+175)=0.96 A From the table given in question, EA…
Q: Q 2) A d.c. shunt motor has the armature and field resistance is 0.012 and 50 Q, when the input…
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Q: Provide a concise explanation in no more than two(2) sentences as to why the series wound DC motor…
A: Yes, a dc series motor has higher starting torque.
Q: Q2) A d.c. shunt motor has the armature and field resistance is 0.012 and 50 Q, when the input power…
A: This question belongs to electrical machine . It is based on the concept of armature power developed…
Q: A 220 V shunt motor takes a total current of 50 A. If the field winding resistance is 80Ω and the…
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Q: Determine the value of starting resistance of the 7.5 kW, 225 V shunt motor so that current will not…
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Q: A 230 V, 30 kW D.C. shunt motor has an efficiency of 88% when running at 1000 RPM on full load. The…
A: Given 230 V,30 KW D.C shunt motor Efficiency=88 % speed =1000 RPM Armature resistance(Ra)=0.1Ω…
Q: 2- A simple wave wound de shunt motor has the following data: Armature resistance =0.1 ohm Shunt…
A: Given data: Ra=0.1 Ω Rsh=100 Ω P=2 Z=400 Vs=400 V N=3000 rpm Is=104 A Wave winding, A = 2…
Q: The 200 V shunt motor has an input and output powers of is 35 and 32.5 Hp respectively. The field…
A: In this question, The 200 V shunt motor input power 35HP, output powers =32.5 Hp The field and…
Q: A shunt wound de motor has an armature resistance of 2.5N and a shunt field resistance of 1602. The…
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Q: 120V dc shunt motor runs at 800rpm when the armature current is 20.7A. If the armature resistance is…
A: Power developed =Back emf ×armature current. Power developed =2π×speed×torque60
Q: The armature torque of a d.c. motor runing at 800 rpm is 99.3 Nm and shaft torque is 93.3 Nm. The…
A: Given a dc motor having, Running speed at, N = 800 rpm Armature torque, τa=99.3 Nm Shaft torque,…
Q: determine "A" through "G" for the DC motor on worksheet 5 when it is running at capacity and its…
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Q: 55 hp, 440 V, 400 rpm DC shunt motor draws 107 A when operating at rated conditions. The motor has…
A: In this question we will draw diagram of dc shunt motor showing all resistance,currents and…
Q: (B) Design a starting circuit for the DC motor that will limit maximum starting current to 150% of…
A: Starting circuit of the DC motor is designed as shown below
Q: A 220 V shunt motor has an armature resistance of 0.4 ohm and field resistance of 140 ohm. The motor…
A: We have an shunt motor which is having, Voltage (V) = 220 V Armature resistance (Ra) = 0.4 Ω Field…
Q: 220 V, 15 kW, 850 r.p.m. shunt motor draws 72.2 A when operating at rated condition. The resistances…
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Q: Explain the characteristics and how the following motor starters work. 1.Slip Ring…
A: A slip ring induction engine is alluded to as an offbeat engine as the speed at which it works isn't…
Q: Assume that the voltage waveform of problem 1 is applied across a DC motor with the following…
A: The voltage wave form for DC motor given Motor Armature Resistance = RA = 6 Ω Motor Armature Current…
Q: A 50 hp, 220 V shunt motor operating at 1200 rpm draws a line current of 94 A when operating at…
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Q: 1.10 A 7.46 kW, 220 V, 900 r/min shunt motor has a full-load efficiency of 88%, an armature…
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Q: Q3 A 4-pole, 500 V shunt motor has 720 wave-connected conductors in the armature.The full-load…
A: NOTE: As per our company guidelines we are supposed to answer only one question. Kindly repost other…
Q: a) Draw the armature and excitation circuit of the motor and write the formulas for the equivalent…
A: a. For speed control DC shunt motor is preferred the formula for the equivalent circuit…
Q: A shunt wound de motor has an armature resistance of 2.52 and a shunt field resistance of 1602. The…
A: given de shunt motor
Q: 5. Which one of the following types of motors is not normally reversible? A. PM motor B. Brushless…
A: Motor: A mechanical device that transforms electrical energy into mechanical energy is known as an…
Q: A 440V DC shunt motor takes an armature current of 60A when its speed is 750 rpm. Determine the…
A: The solution can be achieved as follows.
Q: A 350 V shunt motor runs at it's normal speed of 720 r/min when the armature current is 90 A. The…
A: According to the question we have to find the value of the (1) The kΦ1 of the motor. If armature…
Q: A 220 V, separately excited D.C motor runs at 600 rpm when the armature current is 50 A with rated…
A: Dc motor
Q: A 230 V shunt motor takes a total current of 25 A. If the field winding resistance is 100N and the…
A: to determine the curent in the armature and back emf
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- Select the DC generator used for arc welding. With an elegant drawing explaining its operation. Mention their advantages and disadvantagesWhile discussing armature testing: Technician A says to test for shorts, place the ohmmeter leads on a commutator segment and armature shaft. Technician B says that continuity should exist between the commutator and the armature shaft. Who is correct?Calculate the full load voltage drop due to armature reaction In an experiment load test DC Shunt generator. Obtain the internal curve using the curves above.
- Give detailed information about Jury’s stability test.What are the conditions for Jury’s stability test?Q9/ Complete the blank Commutator in DC machine is made up of .....................................?What type of Power Losses does windage loss, bearing and brush friction loss is considered? a Stray Losses b Armature Losses c core Losses d Copper Losses
- a) How laminated core of electrical machines reduces the iron losses?b) How can you control the voltage of dc generator during operation?c) Why parallel paths are used in electrical dc machines?Due to increased armature m.m.f., the armature reaction during load condition will decrease and hence the field flux will be increased. Select one: True FalseQuestion 11 Design a Duplex layer simplex lap winding DC machine armature winding by providing a complete wiring diagram with the following Number of Poles: 2 Number of Slots; 8 Thank you and Godbless ASAP pleasee