Can you make sure solution has the answer that is stated above on the right
Homework Answers
Add Answer to:
Can you make sure solution has the answer that is stated above on the right
3c) Induction Machine Analysis [ 8 marks ] A 415 V, 50 Hz, 1450 rpm, three-phase,...
3c) Induction Machine Analysis [ 8 marks ] A 415 V, 50 Hz, 1450 rpm, three-phase, star-connected induction machine has the following equivalent circuit parameters (referred to the stator winding where appropriate) stator resistance R 0.3 ohms, rotor resistance R2 0.2 ohms stator leakage reactance X 2 ohms, rotor leakage reactance X2' 2 ohms magnetising reactance XM 50 ohms, core loss resistance Rc 200 ohms In your calculations, you should use = the simplified equivalent circuit i) Find the number...
4. A three-phase induction motor has the following data: Nominal power, P 7.5 kW Nominal voltage, = 400 V Connection: Y Nominal frequency, f-50 Hz Nominal speed, nn 960 rpm Stator resistance, r,...
4. A three-phase induction motor has the following data: Nominal power, P 7.5 kW Nominal voltage, = 400 V Connection: Y Nominal frequency, f-50 Hz Nominal speed, nn 960 rpm Stator resistance, r, 0.55 Ω Rotor resistance referred to a stator winding phase: r:-0.51 Ω Stator leakage inductance, L,-4.4 mH Rotor leakage inductance referred to a stator winding phase,1'-4.4 mH Magnetising inductance L-65 mH How many pole pairs has the motor? 12] a. Calculate the nominal power factor of the...
please provide full solution for 3b and 3c ii） 3b) Induction Machine Analysis (9 marks ]...
please provide full solution for 3b and 3c ii）
3b) Induction Machine Analysis (9 marks ] A 415 V, 50 Hz, 1420 rpm, three-phase, star-connected induction machine has the following equivalent-circuit parameters (referred to the stator winding where appropriate): stator resistance R -0.52, rotor resistance R'-0.622 stator leakage reactance X1 = 1.2.2, rotor leakage reactance X' = 1.30 magnetising reactance XM-802, core loss resistance Re - 2400 In your calculations you should use the simplified equivalent circuit. i) The machine...
- Carcurdle mne new sup at which the maximum torque occurs 0.2617 QUESTION 11 A 460-V....
- Carcurdle mne new sup at which the maximum torque occurs 0.2617 QUESTION 11 A 460-V. 25-hp. 60-Hz. four-pole. Y-connected 3-phase induction motor has the following impedances in ohms per phase referred to the stator circuit (all values are in ohms): Rl = 0.641 XI = 1.106 R2 = 0.332 X2 = 0.464 XM = 26.3 If the rotor resistance is doubled, calculate the maximum torque in Nm QUESTION 12 A 460-V, 25-hp. 60-Hz. four-pole. Y-connected 3-phase induction motor has...
Problem Solving: 1. A 220V, 4-pole, 60Hz, 1-phase induction motor has an effective rotor resistance and...
Problem Solving: 1. A 220V, 4-pole, 60Hz, 1-phase induction motor has an effective rotor resistance and leakage reactance of 0.5 Ohms and 5 ohms respectively. It is running at a speed of 1,800 rpm. Determine: a. Frequencies of forward and backward rotor current components b. Relative magnitudes of forward and backward fluxes. Neglect magnetizing current and stator impedance. A 220-W, 2-pole, 115-V, 60-Hz single-phase induction motor delivers rated output at a slip 10%. The total copper loss at full load...
. A 460-V 460-V, 25-hp, 60-Hz, six-pole, Y-connected induction motor has the following impedanc ohms per...
. A 460-V 460-V, 25-hp, 60-Hz, six-pole, Y-connected induction motor has the following impedanc ohms per phase referred to the stator circuit. Ri= 0.212 R2 = 0.282 X1 = 1.055 12 X2 = 1.055 22 XM = 33.9 W The total rotational losses are 1100 W and are assumed to be constant. The core loss is lumped with the rotational losses. For a rotor slip of 4% at the rated voltage and rated frequency, a) The input power b) Peony...
4.6. A 460-V, 75 kW, 4-pole, delta-connected, 60-Hz, three- phase induction motor has a full-load slip of 5 percent, an efficiency of 92 percent and a power-factor of 0.87 lagging at full-load. At st...
4.6. A 460-V, 75 kW, 4-pole, delta-connected, 60-Hz, three- phase induction motor has a full-load slip of 5 percent, an efficiency of 92 percent and a power-factor of 0.87 lagging at full-load. At start-up, the motor develops 1.9 times the full load developed torque but draws 7.5 times the rated current at the rated voltage. This motor is to be started with an auto- transformer reduced-voltage starter. Assume the stator resistance and the stator core loss to be negligible. Calculate...
A 480 V, 60 Hz, 4-pole-pair, three-phase, delta-connected induction motor has the following parameters: R1=0.42 Ω,...
A 480 V, 60 Hz, 4-pole-pair, three-phase, delta-connected induction motor has the following parameters: R1=0.42 Ω, R2=0.23 Ω, X1=0.48 Ω, X2=0.29 Ω, Xm=29.71 Ω where: R1 is the stator resistance R2 is the rotor resistance reflected in the stator; X1 is the stator leakage inductance; X2 is the rotor leakage inductance reflected in the stator; Xm is the magnetising inductance; The rotational losses are 2450 W. The motor drives a mechanical load at a speed of...
A 3 phase, 440 V, 6 pole, 970 rpm, 50 Hz, Y-connected induction motor has the...
A 3 phase, 440 V, 6 pole, 970 rpm, 50 Hz, Y-connected induction motor has the following parameters referred to the stator Rs = 0.2 Ω, Rr'一0.15 Ω, xs-x-= 0.4 Ω The stator to rotor turns ratio is 3.5 The motor speed is controled by the Static Scherbius Drive. The drive is designed for a speed range of 30% below the synchronous speed. The maximum value of firing angle is 170'. Calculate (i) Turns ratio of the transformer (ii) Torque...
Q3. A single-phase, 120 V, 60 Hz, four-pole, split-phase induction motor has the following equivalent circuit...
Q3. A single-phase, 120 V, 60 Hz, four-pole, split-phase induction motor has the following equivalent circuit parameters: Stator parameters: The Main winding (R =1.512, X=2.522), and the auxiliary winding (R=2.512, X=2.52), Rotor parameters referred to the stator side: (R=1N, X=1.592). The magnetizing reactance is equal to 4082. (a)Determine the standstill impedances of both windings. (b)Determine the starting torque and the starting current of the motor if it is started from rated voltage mains as a split phase induction motor. (c)Determine...
3c) Induction Machine Analysis [ 8 marks ] A 415 V, 50 Hz, 1450 rpm, three-phase, star-connected induction machine has the following equivalent circuit parameters (referred to the stator winding where appropriate) stator resistance R 0.3 ohms, rotor resistance R2 0.2 ohms stator leakage reactance X 2 ohms, rotor leakage reactance X2' 2 ohms magnetising reactance XM 50 ohms, core loss resistance Rc 200 ohms In your calculations, you should use = the simplified equivalent circuit i) Find the number...
4. A three-phase induction motor has the following data: Nominal power, P 7.5 kW Nominal voltage, = 400 V Connection: Y Nominal frequency, f-50 Hz Nominal speed, nn 960 rpm Stator resistance, r, 0.55 Ω Rotor resistance referred to a stator winding phase: r:-0.51 Ω Stator leakage inductance, L,-4.4 mH Rotor leakage inductance referred to a stator winding phase,1'-4.4 mH Magnetising inductance L-65 mH How many pole pairs has the motor? 12] a. Calculate the nominal power factor of the...
please provide full solution for 3b and 3c ii）
3b) Induction Machine Analysis (9 marks ] A 415 V, 50 Hz, 1420 rpm, three-phase, star-connected induction machine has the following equivalent-circuit parameters (referred to the stator winding where appropriate): stator resistance R -0.52, rotor resistance R'-0.622 stator leakage reactance X1 = 1.2.2, rotor leakage reactance X' = 1.30 magnetising reactance XM-802, core loss resistance Re - 2400 In your calculations you should use the simplified equivalent circuit. i) The machine...
- Carcurdle mne new sup at which the maximum torque occurs 0.2617 QUESTION 11 A 460-V. 25-hp. 60-Hz. four-pole. Y-connected 3-phase induction motor has the following impedances in ohms per phase referred to the stator circuit (all values are in ohms): Rl = 0.641 XI = 1.106 R2 = 0.332 X2 = 0.464 XM = 26.3 If the rotor resistance is doubled, calculate the maximum torque in Nm QUESTION 12 A 460-V, 25-hp. 60-Hz. four-pole. Y-connected 3-phase induction motor has...
Problem Solving: 1. A 220V, 4-pole, 60Hz, 1-phase induction motor has an effective rotor resistance and leakage reactance of 0.5 Ohms and 5 ohms respectively. It is running at a speed of 1,800 rpm. Determine: a. Frequencies of forward and backward rotor current components b. Relative magnitudes of forward and backward fluxes. Neglect magnetizing current and stator impedance. A 220-W, 2-pole, 115-V, 60-Hz single-phase induction motor delivers rated output at a slip 10%. The total copper loss at full load...
. A 460-V 460-V, 25-hp, 60-Hz, six-pole, Y-connected induction motor has the following impedanc ohms per phase referred to the stator circuit. Ri= 0.212 R2 = 0.282 X1 = 1.055 12 X2 = 1.055 22 XM = 33.9 W The total rotational losses are 1100 W and are assumed to be constant. The core loss is lumped with the rotational losses. For a rotor slip of 4% at the rated voltage and rated frequency, a) The input power b) Peony...
4.6. A 460-V, 75 kW, 4-pole, delta-connected, 60-Hz, three- phase induction motor has a full-load slip of 5 percent, an efficiency of 92 percent and a power-factor of 0.87 lagging at full-load. At start-up, the motor develops 1.9 times the full load developed torque but draws 7.5 times the rated current at the rated voltage. This motor is to be started with an auto- transformer reduced-voltage starter. Assume the stator resistance and the stator core loss to be negligible. Calculate...
A 3 phase, 440 V, 6 pole, 970 rpm, 50 Hz, Y-connected induction motor has the following parameters referred to the stator Rs = 0.2 Ω, Rr'一0.15 Ω, xs-x-= 0.4 Ω The stator to rotor turns ratio is 3.5 The motor speed is controled by the Static Scherbius Drive. The drive is designed for a speed range of 30% below the synchronous speed. The maximum value of firing angle is 170'. Calculate (i) Turns ratio of the transformer (ii) Torque...
Q3. A single-phase, 120 V, 60 Hz, four-pole, split-phase induction motor has the following equivalent circuit parameters: Stator parameters: The Main winding (R =1.512, X=2.522), and the auxiliary winding (R=2.512, X=2.52), Rotor parameters referred to the stator side: (R=1N, X=1.592). The magnetizing reactance is equal to 4082. (a)Determine the standstill impedances of both windings. (b)Determine the starting torque and the starting current of the motor if it is started from rated voltage mains as a split phase induction motor. (c)Determine...
Most questions answered within 3 hours.
-
Do you think companies should not go for long term debt in their
capital structure to...
asked 2 minutes ago -
I create an address book where the user enters the name, phone
and email in the...
asked 8 minutes ago -
The production capacity for acrylonitrile
(C3H3N) in the United States exceeds 2
million pounds per year....
asked 16 minutes ago -
explain and comment out your answer
43. How many address lines are required to address a...
asked 22 minutes ago -
A sample of 45 observations is selected from a normal
population. The sample mean is 49,...
asked 37 minutes ago -
A construction company is planning to bid on a building
contract. The bid costs the company...
asked 34 minutes ago -
A firm operating in a purely competitive environment is faced
with a market price of $250....
asked 41 minutes ago -
•Let’s say someone claims the average population size is
600 feet squared and the housing authority...
asked 48 minutes ago -
Cynaide is a deadly poison that blocks the last step in the
electron transport chain of...
asked 52 minutes ago -
Your friend tells you that there is a vending machine on campus
that dispenses M&M packs...
asked 1 hour ago -
What advantages are there to using piperidine rather than
hydroxide as a base?
asked 1 hour ago -
7. The life of a Freeze Breeze electric fan is normally
distributed with a mean 4...
asked 1 hour ago