A three phase,22 kilowatt ,three-phase induction motor has a full load speed of 1440 r.p.m. If the motor provides 150 percent of full load torque when started direct on line. The starting torque is *
Q: An 8-pole, 50HZ, 3-phase induction motor has a full-load slip 2.5% and maximum torque of twice the…
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Q: A 50-horsepower, 460V, 60Hz, 3-phase induction motor has a Nameplate Rating of 60 amperes. The…
A: Given information, Rated output power is P=50 HP. The rated voltage is VL=460 Volts. Motor code is…
Q: A 25-horsepower, 230V, 60Hz, 3-phase induction motor has a Nameplate Rating of 58 amperes. The…
A: Given information about a 3-phase induction motor is, Rated output power Po-rated=25 horsepower.…
Q: A 0.5 hp, 110 V, 60 Hz, single phase induction motor has an effiffifficiency of 88% and a power…
A: In this question, A single phase induction motor is given with A 0.5 hp, 110 V, 60 Hz, efficiency…
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Q: 16. A single-phase, 1/4 hp, 230 V, 60 Hz, four-pole, 1710 rpm induction motor has the following…
A: As per bartleby expert policy, only first three subparts are to be answered. Kindly repost remaining…
Q: Qs) A Single-phase, hp, 230V, 60 HZ, four-jpole, 1710 rpm induction motor has the following…
A: For the given single phase P=1 hp V = 230V f = 60Hz N fl =1710rpm r1 =9.5 ohms X1 =X2 =12 ohm…
Q: A 40Hp, 230V, 8 pole, 25HZ induction motor is running at 355 rpm at rate load. If the motor has the…
A: Given : Q=40Hp=29.828 kWV=230 VP=8f=25 HzN=355 rpmη=84.2%stator loss=1000 W Step 1: Calculate slip…
Q: A three phase,22 kilowatt ,three- phase induction motor has a full load speed of 1440 r.p.m. If the…
A: The correct answer is OPTION D i.e 218.9Nm
Q: A 220V, 10kw, 3-phase, 60 Hz, 6 pole induction motor operates at FL with an eff 85%, pf of 80% and…
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Q: 4. A 3 phase,60Hz ,6 pole induction motor has a full load slip of 5%. The rotor resistance is…
A: Given three phase induction motor withpoles p=6frequency f=60 HzRotor resistance r2=0.002…
Q: 5.A 3 phase motor is designed to run at 5% slip on full load. If the motor draws 6 times the full…
A: According to the question we have to find the value of ratio of starting torque to full load torque.…
Q: A 20kW, 4-pole induction motor is designed to operate from a 440V, 50Hz, three-phase supply, and…
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Q: The power input to a 3-phase, 50 Hz, 400 V, the 4-pole induction motor is 60 kW and its stator…
A: Given, 3-phase, 400 V induction motor Input power Pin=60 kW Stator loss Pstator=1 kW Slip s=4%=0.04
Q: A 3-phase, 6-pole and 50Hz induction motor has a speed of 955d/min under full load, a torque of 120…
A: we will take ratio of starting and full load torque and starting torque to find starting torque
Q: The nameplate of a squirrel-cage induction motor has the following information: 25hp, 220V, 3-phase,…
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Q: A 3 phase,50Hz ,8 pole induction motor has a full load slip of 4%. The rotor resistance is…
A: The ratio of the maximum torque to full load torque is given by the expression as shown below:…
Q: A 3 hp, 3-phase, 4-pole, 400 V, 50 Hz induction motor runs at 1440 rpm. What will be the frequency…
A: For the given data of Induction motor Power = 3hp Pole =4 V = 400 f =50 Hz N =1440 rpm Frequency…
Q: A 380 V, 60 Hz, Star connected, 870 r.p.m., Eight poles, Three-Phase Induction Motor has the…
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Q: A 3-phase, 4-pole, 230-V wound rotor induction motor (WRIM), has both its stator and rotor connected…
A: In this question, 3 phase, 4 pole, 230V Rotor speed Nr= 1725rpm We need to determine the slip s?…
Q: A 6-pole, 50hz, 3-phase induction motor has a fully load speed of 950 rpm. Its speed in Rpm at half…
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Q: 4. A 3 phase,60HZ ,6 pole induction motor has a full load slip of 5%. The rotor resistance is…
A: Slip at maximum torque Sm=Stand still resistance stand still reactance Rotor speed=(1-Sm)*Ns…
Q: The power input to a 500V, 50Hz, 6 pole, 3 squirrel cage induction motor running at 975 RPM is…
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Q: A 50-horsepower, 460V, 60Hz, 3-phase induction motor has a Nameplate Rating of 60 amperes. The…
A: Given information, Rated output power is P=50 HP. The rated voltage is VL=460 Volts. Three-phase…
Q: A three-phase, 415V, 50Hz, six-pole, star-connected induction motor is driven from a variable…
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Q: A 3 phase,50HZ ,8 pole induction motor has a full load slip of 4%. The rotor resistance is 0.0010/ph…
A: Given, Frequency,f =50Hz Pole, P=8 Slip, S=4%=0.4 Rotor resistance, R=0.001 Ohm Rotor reactance,…
Q: 1.31 A 3-phase 220 V, 50 Hz, six pole induction motor has the following parameters: =0.252 X; = 0.42…
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Q: A 416V, 60 Hz, three-phase wye-connected, four-pole AC induction motor has the following parameters:…
A: Given: supply Voltage (V)=416 V frequency (f)=60 HzNo of poles (P)=4R1=2 ΩR2'=1 ΩXeq=2 Ωspeed at…
Q: A 230V, 50 Hz, 4-pole, single-phase induction motor is rotating in the clockwise (forward) direction…
A: Given values are - f=50HzPoleP=4SpeedNr=1425rpmR2=7.8Ohm Given motor is single phase induction…
Q: 5 A 20 HP, three-phase, NEMA design A induction motor has eight poles and is designed to operate at…
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Q: A 3-phase induction motor having a 6-pole, star-connected stator winding runs on 240V, 50HZ supply.…
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Q: The standstill reactance of each phase of a three-phase induction motor with star-connected rotor…
A: Working principal When an AC supply is given to the stator of the Induction motor, it generates a…
Q: A 460 V, 60 Hz, Star connected, 870 r.p.m., Eight poles, Three-Phase Induction Motor has the…
A: As per our guide lines I solved only 3 subparts..
Q: A 25hp, 380V, 50HZ three phase induction motor has a no-load speed of 600rpm. When operated al full…
A: As per our policy, i am attempting first three question. Given data, No load speed is NL=600 rpm,…
Q: 2. A three phase 440 V, 50HZ, 6 pole star connected induction motor has the following parameters…
A: A three-phase 440V, 50Hz, 6-pole star connected induction motor has the referred parameter to the…
Q: A 3-phase, 4-pole, 230-V, wound rotor induction motor has both its stator and rotor connected in Y.…
A: Given data- No. of Phase ϕ=3 No. of Pole P=4 Voltage V=230 v…
Q: 7. A 3-phase, 4 pole, 230 V, 60 Hz wound-rotor induction motor has both its stator and rotor…
A: Induction motor: Induction motor is use in our daily life like kitchen, water pumps, automobiles,…
Q: 4. A three-phase, 7.5Hp, 230V, 60Hz, Delta connected induction motor was tested and give the…
A: A 3-phase induction motor is an electromechanical device that converts 3phase electrical input power…
Q: A 240 V, 60 Hz, Delta connected, 870 r.p.m., Eight poles, Three-Phase Induction Motor has the…
A: Dear student as per our guidelines we are supposed to solve only one question in which it should…
Q: A l-0, induction motor has stator windings in space quadrature and is supplied with a single-phase…
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Q: 156. A small 3-phase induction motor has a short- circuit current 5 times of full-load current and…
A: Given: Isc=5IflIflIsc=15sfl=5%
Q: A 460 V, 60 Hz, Star connected, 870 r.p.m., Eight poles, Three-Phase Induction Motor has the…
A: Note: As per guidelines will be solving the first 3 subparts of the question. For others please…
Q: A 400 V, 4 pole, 50 Hz, three-phase star connected induction motor has the following impedances per…
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Q: 5.A) 3 phase motor is designed to run at 5% slip on full load. If the motor draws 6 times the full…
A: Given a 3 phase motor (induction motor) is designed to run at, Slip, s = 5 % (on full load) Motor…
Q: 16. A single-phase, 1/4 hp, 230 V, 60 Hz, four-pole, 1710 rpm induction motor has the following…
A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…
Q: A 10HP, 550V, 60HZ, 3-phase induction motor has a starting torque of 160% of full-load torque and…
A: In this question we need to find a voltage in order that the starting current be limited to full…
Q: A 5-hp four-pole 60-cycle three-phase induction motor with a wound rotor draws 4,590 watts from the…
A: Given HP - 5, frequency F = 60 Hz, P = 4, Power = 4590 W, Pcu = 390 W, Pcore = 250 W, Pfw = 70 W…
Q: A three phase, 4 - pole, 50 Hz induction motor has full load speed of 1455 rpm. What will be the…
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Q: A three-phase, 480V, 1460rpm, 50HZ, four-pole, Y-connected wound rotor induction motor has the…
A: For the given 3 phase Y-connected wound rotor Induction motor V =480 V f= 50 Hz Following is…
Q: A 3-phase 2-pole induction motor is rated 190 V, 60 Hz, it is connected in Y, and has R2 = 6.6 0,…
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- A 10Hp, 550V, 60Hz, 3-phase induction motor has a starting torque of160% of full load torque and a starting current of 425% of full loadcurrent. If the motor is used on a 440V, 60Hz system, what will be thestarting torque expressed in percent of its full load value?A75 hp, 3-phase, 6-pole, 60 Hz induction motor delivers full load torque at 5% slip. If the load torque is increased by 15% as allowed by the service factor on the nameplate, determine the new speed and horsepower deliveredThe no-load speed of an induction motor is 1914 rpm, the specification shows that it is operated 3-phase, 60 hertz, 1758 rpm and supplied by 425 V. what is the percent speed regulation?
- 16. A single-phase, 1/4 hp, 230 V, 60 Hz, four-pole, 1710 rpm induction motor has the following equivalent circuit parameters for the main winding: R1m=9.5Ω, R02=10.8Ω, X1m=X/2=12Ω, Xmag=260Ω At 230V and rated speed, the core loss is 30W, and the friction and windage loss is 15W. The motor is connected to an 1 φ, 230V, 60Hz supply and runs at the rated speed. Determine:a) The slip.b) The motor current.c) The input power factor.d) The input power.e) The developed torque.f) The output shaft power and shaft torque.g) The efficiency.h) The rotor circuit frequencies and the rotor cu-losses.i) The ratio of the forward flux to the backward flux.A six pole three-phase 440-volts 50Hz, induction motor develops an 8-Hp at 955 rpm, the power factor being 0.85.Stator losses amounts to 400-watts and the frictional losses to 5-Hp. Calculate the (a) efficiency (b) the line current.A 50 HP, 440 volts, 3-phase induction motor delivers during starting period 150% of the normal torque and draws 550% of the rated current with the rated voltage. The full load pf and full load efficiency are 80% and 90% respectively. If the starting torque of the load is only 50% of the rated torque of the motor and an auto transformer is used as starting unit, what should be the starting current at this voltage?A. 125 ampB. 130 ampC. 180 ampD. 254 amp
- A 209-V, three-phase, six-pole, Y-connected induction motor has the following parameters: R1 = 0.128 Ω, R’2 = 0.0935 Ω, Xeq =0.49Ω. The motor slip at full load is 2%. Assume that the motor load is a fan-type. If an external resistance equal to the rotor resistance is added to the rotor circuit, calculate the following: a. Motor speed, Starting torque, Starting current, and Motor efficiency (ignore rotational and core losses) b. Calculate the value of the resistance that should be added to the rotor circuit to reduce the speed at full load by 20%. Find the motor efficiency. c. If the voltage is reduced by 20%, calculate the Motor speed, Starting torque, Starting current, and Motor efficiency (ignore rotational and core losses) d. If the supply frequency is reduced by 20%, calculate the Motor speed, Starting torque, Starting current, and Motor efficiency (ignore rotational and core losses) ..On the nameplate of a star-ring induction motor: 75 kW, 16 A, 380V, 1430 rpm. It is written coso-0.82 and f-50 Hz. If the ratio between Tipping (Maximum torque) and Rated torque of the motor is 2.2, find the overturn slip (Slip where the maximum torque occurs).A four-pole, three-phase induction motor drives aturbine load. At a certain operating point the machinehas 4 percent slip and 87 percent efficiency. The motordrives a turbine with torque–speed characteristic givenby TL = 20 + 0.006ω2. Determine the torque at themotor-turbine shaft and the total power delivered tothe turbine. What is the total power consumed by themotor?
- A 3-phase, 4 pole, 230 V, 60 Hz wound-rotor induction motor has both its stator and rotor connected in Y. The rotor has half as many turns per phase as the stator. If the rotor is running at 1725 rpm, Rr is 0.075 ohms and Xs = 0.375 ohms, determine the torque developed by the motor. Answer: 27.543 lb ftA three phase, 4 pole, 3300 V, 50 Hz, star connected Induction motor, has identical primary and referred secondary impedance of value 3+j9 Ohm per phase. Using the approximate circuit, calculate: A. The full load torque at rated slip of 5%. B. The maximum torque at normal voltage and frequency.On the plate of a star-connected ring induction motor; It is written 7.5 kW, 16 A, 380V, 1430 rpm, Cosθ= 0.82 and f=50 Hz. Find the % efficiency of the motor at its rated (nominal) operation?