CRPET 2amEiNee 4 - Explain, resistance ? S - Why it without load 6 - Which is be wused in answer . in details, why it is necessary to is not possible to start the d. c. 2 use starting series motor perferable ( d. c. shunt or d. c. series motor ) to places require high starting torque ? prove your
Q: d.c. shunt motor with interpoles has the following particulars : Output power ; 8,952 kW, 440-V,…
A: In this question we will find efficiency of DC shunt motor....
Q: A 240V DC shunt motor has a line current of 50A, The field and armature resistances are 120 ohms and…
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Q: Question 5 A 200 HP, 440 V, 1440 rpm, 50 Hz induction motor has a power factor of 0.85 lagging and…
A: Starters : Starters are used to limit the starting inrush current DOL Starter or direct online…
Q: A 230 V, compensated shunt motor driving a 1220.40 N.m torque load is running at 20 rps. The…
A: Disclaimer: Since you have asked multipart questions, we will solve the first three subpart for…
Q: 3. A 220 V, 24A, 1000 rpm, separately excited de motor has an armature resistance Of 0.02 2 Motor is…
A: For rated speed V=220VIa=24ARa=0.02ΩVin=230V
Q: Question 3: A 4-pole, 3-phase, 50 Hz induction motor has a voltage between slip-rings on…
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Q: 10. A series motor, having an armature resistance of 0.1 Q and a field resistance of 0.15 Q, takes…
A: In this question we will find developed torque in dc series motor...
Q: 12.a. Which one of the following statements is true about a two-winding distributed-field universal…
A: 12) a) It is a type of motor which can run on either a DC or a single-phase AC supply. Universal…
Q: 3. A 220 V, 24A, 1000 rpm, separately excited de motor has an armature resistance Of 0.02 2. Motor…
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Q: One DC separately excited motor with rated data of PN=3kW,ny=2000r/min, UN=110V, n=0.91, Ra=1.2. Try…
A: The solution is given below
Q: ) A 16kW, 220 V, dc series motor has its armature current equal to 86 A when the motor speed is 600…
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Q: Q20. A 74.6 kW, 3-phase, Y-connected, 50 Hz, 420 V, 6-poles cylindrical rotor synchronous motor is…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: The armature resistance, 0.15 ohm, shunt field resistance, 220 ohms and series field resistance,…
A: We will take ratio of back emf under full and noload to find ratio of flux in no load and full…
Q: 4. At 75% from the rated speed in the motor we isolated the auxiliary winding from the cct why?…
A: 4. Auxiliary winding is connected at the starting to maintain torque. At 75% of rated speed in…
Q: Problems A 25-hp 240-V 77.8-A shunt motor has an armature resistance of 0.083 N and a field-circuit…
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Q: urgent need in 5 mins please* The power input to 400-V compound motor, connected long shunt, is…
A: developed torque = developed power×602π×60. developed power = terminal voltage* armature current -…
Q: Q1) 3-phase, 50 HZ ,4-pole, 3300 V, star-connected induction motor, has identical primary and…
A: Given: f=50Hz , Eph=33003V ,P=4 ,s=0.05Ns=120fP=1500rpmZ1=Z'2=3+9j a)Full load torque…
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A: Given data of induction motor is Supply voltage= 208 V Power = 10 hp supply frequency= f=50 Hz…
Q: Series motor takes (80 A) on full-load voltage (400 V) and runs at (1000 r.p.m) the armature…
A: Given, a series motor having Armature current, Ia= 80 A Supply voltage, V= 400 V Speed, N1= 1000 rpm…
Q: 6 - Which is perferable ( d. c. shunt or d. c. series motor ) to be used in places require high…
A: DC series motors are extensively used in hoists , cranes , traction purpose , etc.
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Q: A d.c. shunt motor with interpoles has the following particulars: output power; 8,952 kW , 4040-V ,…
A: Efficiency: It is the ratio of output power to input power. Generally, it is shown in percentage.
Q: Q23. What will be the current drawn (in Amp) and torque angle of a 3-phase, Y-connected, 50 Hz, 420…
A: Here three phase synchronous motor is given so use the given efficiency condition and then find the…
Q: Why it - is not possible to start the d. series motor without load ? 6- Which is perferable ( d. c.…
A: DC motor is a electrical machine which is used to convert electrical energy to mechanical energy…
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A: In this question we will find Load torque.... And speed and power output..
Q: Series motor takes (80 A) on full-load voltage (400 V) and runs at (1000 r.p.m) the armature…
A: Given, a series motor having Armature current, Ia= 80 A Supply voltage, V= 400 V Speed, N1= 1000 rpm…
Q: Q6. A 50 Hp 250V, 1200 R/Min DC shunt motor with compensating winding has an armature resistance…
A: Terminal voltage V=250 V Speed of the motor N1=1200 rpm Field resistance Radj+Rf=50 Ω Armature…
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Q: Q3: Uise the information given helow in the name plate of a 3 phase induction motor to cakulate…
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Q: Choose the correct option.(Marks:2) PASSAGE Determine the back emf of dc motor at no load A student…
A: Given motor is DC shunt motor. Supply voltage is V=220V. Armature resistance is Ra=0.22Ω. Shunt…
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Q: Series motor takes (85 A) on full-load voltage (400 V) and runs at (10o00 r.p.m) the armature…
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Q: Q4 A 500-V, 37.3 Kw, 1000 r.p.m. d.c. shunt motor has on full- load an efficiency of 90 percent. The…
A: In this question, We need to determine the full load line current?, shaft torque? Torque = power /w…
Q: 200U, looo rpm, 1o A Separately- excited de motor is fod from a single -phase full Converter with ac…
A: The solution is given below
Q: Problem 1. A 10-hp, 230-V shunt motor takes a full-load line current of 40 A. The armature and field…
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Q: E1. Which of the following is the correct equation to determine the armature current of a DC shunt…
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Q: omplete the wiring diagrams as per Worksheets 6-A and 6-B then solve for "A" through "K" for the DC…
A: Given Rated input voltage V =125 V Rated input current I =16 A Armature Resistance Ra =0.3 Ω Shunt…
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A: Input power = output power/ efficiency. Input power = terminal voltage × line current. At starting…
Q: 25-hp 230-volt 1,200 rpm shunt motor has an armature resistance, including brushes of 0.2 ohms, and…
A: Back EMF = generated EMF = flux×speed×No. of armature conductors60×No. of polesNo. of parallel paths…
Q: Q4 A 500-V, 37.3 KW, 1000 r.p.m. d.c. shunt motor has on full-load an efficiency of 90 percent. The…
A: In this question, We need to determine the full load line current IL and full load shaft torque?…
Q: Question 1: Why did we perform the no-load operation experiment for the asynchronous motor?
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A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…
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Q: A d.c. shunt motor with interpoles has the following particulars : Output power ; 8,952 kW, 440-V,…
A: DC shunt motor Output power 8952KW Voltage 440V, armature resistance Ra= 1.1ohm Brush contact…
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A: Given V=140 V N=1000 rpm Ra=0.9 ohm Rsh =155 ohm IL=10.5 A
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- Please tell me some point to expect from using L298N DC Motor Driver Module with Arduino.The following data are obtained for 7.5 hp, 28A, 4-pole, 208V, 60Hz, Y-connected stator squirrel cage three-phase induction motor. DC Test: Voc = 13.6V , Ioc= 28A No-Load Test: Vt= 208V , IA= 8.12A , Pout= 420W Locked-Rolot Test: Vt=25V , IA= 28A , Pin = 920W Calculate the per-phase equivalent circuit parumeters of this motor referred to the stator side. ?????Question 1: Why is the voltage decresed at no-load operation? What is that voltage called? Question 2: Does the voltage increase with the increasing load? Why? Question 3: In which position the voltage decreased with the increasing load? Explain the reason. Question 4: Does the voltage change when a parallel rheostat is connected to the series excitation windings? Explain the reason. Question 5: Sketch the loading curve of the series generator depending on the values recorded.
- 24.a. What type of drive is needed for a vertical lift bridge using two induction motors to operate the twoends of the bridge at the same time?A. Synchrotie driveB. Adjustable voltage driveC. Eddy-current couplingD. Adjustable frequency drive24.b. To prevent the motor speed from increasing until the motor fails mechanically, a load should always beconnected to aA. shunt d-c motor.B. series d-c motor.C. wound-rotor motorD. synchronous motorWrite short note on rheostatic braking and plugging brakingI asked the question 2 hours before but i didn't know the I had to upload by 3 -3 subparts so this is the rest of my previous question. PLEASE EXPLAIN THE d) sub part as soon as possible.Thanks in advance. The no-load and locked-rotor test results of a three-phase 10 HP, 220 V, 60 Hz, 6 poles star connected induction motor are; The no-load test: VNL=220 V, PNL=340 W, INL=6.2 A The locked-rotor test: VSC=54 V, PSC =430 W, ISC =15.2 A The voltage across the stator windings is 2 V when nominal DC current flows through it. Coefficient for DC resistance is 1,25. d) Slip value at the maximum (breakdown) torque,
- IN Counter-Current Breaking o f a 3-Phase Induction Motor(Reversing the Operation o f a 3-Phase Induction Motor) How it was insured in the control circuit as to avoid the operation of both positiveand negative sequences simultaneously?The series winding resistance of the compound generator below is 2 Ohms and the shunt winding resistance is 88 Ohms. If the armature resistance = 0.4 Ohm, the generator voltage and load voltage are 225 Volts and 200 Volts respectively and the generator load is 2 kW, calculate the current flowing in the load.14-Which is the most effective and currently used method in asynchronous motor speed control methods?A) changing the number of polesB) changing voltage and frequency togetherC) changing the voltage frequencyD) changing the applied voltage
- A 3-phase, 6-póle, 400V, 50HZdelta connected IM, having a stand still rotor impedance of 0.2+j2/phase and full load slip of 4%. When the supply voltage is reduced the motor speed dropped by 5%, when supplying the same full load torque. Find the voltage percentage reduction.For the starting method given in task 8, redraw each of the symbols used in the control circuit and give a brief explanation of their purpose. Task 8 below (Task 8 has been answered already) (There are many methods used for starting induction motors and synchronous machines. For the following three methods of starting three-phase motors, explain how the starting method works and state the type of motor the starter is designed for. Support your answer with illustrations: Star-Delta Rotor Resistance Induction starting (with damper windings).)The following figure shows the cross-section structure of a 4/2 pole variable reluctancemotor with dimensions as R=3.8 cm, α=60o, β=45o , g=0.254 mm, and D=13 cm. The polesof each phase winding are connected in series such that there are a total of N=100 turns(50 turns per pole) in each phase winding. Assume that rotor and stator to be of infinitemagnetic permeability.Ignoring the leakage and fringing fluxes, plot the phase-1 inductance L(θm) as a function of θm