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A 220V single phase induction motor had an input current of 8 amps before the centrifugal switch operated. At that...
03. A 220V single phase induction motor had an input current of 8 amps before the centrifugal switch operated. At t...
03. A 220V single phase induction motor had an input current of 8 amps before the centrifugal switch operated. At that stage the motor operated with a lagging power factor of 0.8. The current in the main winding was 5 amps, and it was lagging the line voltage by 40 degrees. a). Determine the magnitude and phase angle of the current in the auxiliary winding Show your work) b). Draw a neat and clear phasor diagram showing the line current,...
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...
8) The motor model for a 3-phase 480V 1750 RPM induction motor is shown below. Stray...
8) The motor model for a 3-phase 480V 1750 RPM induction motor is shown below. Stray losses are 1000W. Assuming it is running at full rated load in the United States, find: 0.01 j0.14 j0.14 0 _ 0.01 A 19 j16 30.01/18 ) Synchronous Speed= RPM Number of poles= Poles Slip= Stator current iz = Amps Rotor current lz= Amps Magnetization currently = Amps Watts HP Volts Power across the air gap= h) 3-phase shaft (brake) horsepower= Terminal Voltage "V"=...
A three-phase delta-connected synchronous induction motor is connected to a 415 volt, 50 Hz supply. The...
A three-phase delta-connected synchronous induction motor is connected to a 415 volt, 50 Hz supply. The winding resistance is negligible and the synchronous reactance per phase is 5 ohms. The input power is 20 kW and the motor has a leading power factor of 0.8. Draw the phasor diagram for this machine: ii) use the IXs phasor and the V phasor to construct the phasor for E. iii) measure or calculate the magnitude of E iv) By construction and/or by...
The equivalent circuit of a 440 V, 3-phase, 8 pole, and 50 Hz star-connected induction motor (HELP)
Question: The equivalent circuit of a 440 V, 3-phase, 8 pole, and 50 Hz star-connected induction motor is shown in figure 1. The short-circuit test is conducted with a locked rotor and a line current of 80 A. The open-circuit test is conducted by supplying the stator winding at rated voltage and at the rotor is rotating freely without any mechanical load. Fig. 1 The per-phase equivalent circuit of a 3-phase induction motora) Determine the line voltage and power factor on the...
I want to solve this problem step by step. Thanks (35 points) Induction Generator Real Power Generation. A three phase, 220V line to line, six pole, 60Hz, wye connected induction machine op...
I want to solve this problem step by step. Thanks
(35 points) Induction Generator Real Power Generation. A three phase, 220V line to line, six pole, 60Hz, wye connected induction machine operates at rated voltage as a generator at a slip of-0.04. Its equivalent circuit parameters are the same as those in problem #1. The input mechanical power at the rotor (this is a generatorl) is 5.2kW. The core losses are 200Watts; friction and windage losses are 17 Watts; treat...
Equivalent circuit of 440V, 3-phase, 8 pole, 50 Hz star-connected induction motor
The equivalent circuit of a 440 V, 3-phase, 8 pole, and 50 Hz star-connected induction motor is shown in figure 1. The short-circuit test is conducted with a locked rotor and a line current of 80 A. The open-circuit test is conducted by supplying the stator winding at rated voltage and at the rotor is rotating freely without any mechanical load.a) Determine the line voltage and power factor on the short circuit test;b) We need to apply a low...
A 3-phase 50Hz 2-pole 440V (L-L rms) induction motor drive has a rated speed of 2955...
A 3-phase 50Hz 2-pole 440V (L-L rms) induction motor drive has a rated speed of 2955 rpm and rated torque of 35 Nm. This motor drives a load with a torque characteristic that increases linearly with speed such that it equals the load torque at the rated speed. It draws a current of 2.1 A(rms) per phase at the rated voltage at a power factor of 0.81 (lagging). The stator resistance Rs = 2.0 ohms. At the rated operating speed,...
Based on the motor nameplate below, when operated at the rated voltage and current, determine the following: a. The real power, P, reactive power, Q, and apparent power, S, used by the motor. b. Sketc...
Based on the motor nameplate below, when operated at the rated
voltage and current, determine the following:
a. The real power, P, reactive power, Q, and
apparent power, S, used by the motor.
b. Sketch an equivalent circuit to model for
the motor.
c. The efficiency of the motor (calculated from
shaft power/real power in).
d. What value of capacitor would you use to
correct the power factor to 1?
e. Sketch a vector diagram showing the phasor
current in...
Two tests were performed on a 230-V, 60-Hz, 4-pole, Y-connected, three-phase induction motor and the obtained...
Two tests were performed on a 230-V, 60-Hz, 4-pole, Y-connected, three-phase induction motor and the obtained data are given in the table below. The friction and windage loss is 15 W, and the stator winding resistance between any two lines is 3.96ohm Determine: 1) The equivalent circuit parameters of the motor 3) The motor efficiency at a slip of 8%. No-load test 137 0.43 230 Blocked-rotor test 70 1.18 47 3-phase power input, W Line-line voltage, V
03. A 220V single phase induction motor had an input current of 8 amps before the centrifugal switch operated. At that stage the motor operated with a lagging power factor of 0.8. The current in the main winding was 5 amps, and it was lagging the line voltage by 40 degrees. a). Determine the magnitude and phase angle of the current in the auxiliary winding Show your work) b). Draw a neat and clear phasor diagram showing the line current,...
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...
8) The motor model for a 3-phase 480V 1750 RPM induction motor is shown below. Stray losses are 1000W. Assuming it is running at full rated load in the United States, find: 0.01 j0.14 j0.14 0 _ 0.01 A 19 j16 30.01/18 ) Synchronous Speed= RPM Number of poles= Poles Slip= Stator current iz = Amps Rotor current lz= Amps Magnetization currently = Amps Watts HP Volts Power across the air gap= h) 3-phase shaft (brake) horsepower= Terminal Voltage "V"=...
I want to solve this problem step by step. Thanks
(35 points) Induction Generator Real Power Generation. A three phase, 220V line to line, six pole, 60Hz, wye connected induction machine operates at rated voltage as a generator at a slip of-0.04. Its equivalent circuit parameters are the same as those in problem #1. The input mechanical power at the rotor (this is a generatorl) is 5.2kW. The core losses are 200Watts; friction and windage losses are 17 Watts; treat...
Based on the motor nameplate below, when operated at the rated
voltage and current, determine the following:
a. The real power, P, reactive power, Q, and
apparent power, S, used by the motor.
b. Sketch an equivalent circuit to model for
the motor.
c. The efficiency of the motor (calculated from
shaft power/real power in).
d. What value of capacitor would you use to
correct the power factor to 1?
e. Sketch a vector diagram showing the phasor
current in...
Two tests were performed on a 230-V, 60-Hz, 4-pole, Y-connected, three-phase induction motor and the obtained data are given in the table below. The friction and windage loss is 15 W, and the stator winding resistance between any two lines is 3.96ohm Determine: 1) The equivalent circuit parameters of the motor 3) The motor efficiency at a slip of 8%. No-load test 137 0.43 230 Blocked-rotor test 70 1.18 47 3-phase power input, W Line-line voltage, V
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