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What is the rated velocity and mechanical output power of the rotor? Velocity_1500 Power =...
The power input to a dc shunt motor during rated-load conditions is 100 W. The rotor...
The power input to a dc shunt motor during rated-load conditions
is 100 W. The rotor speed is 2000 r/min, and the armature voltage
is 100 V. The armature resistance is 2? and Rf = 200 ?. Calculate
the no-load rotor speed.
2. The power input to a dc shunt motor during rated-load conditions is 100W. The rotor speed is 2000r/min, and the armature voltage is 100V. The armature resis- tance is 2 Ω and Rf-200Ω. Calculate the no-load rotor...
5. A 208-V four-pole 60-Hz Y-connected wound-rotor induction motor is rated at 30 hp. Its equivalent...
5. A 208-V four-pole 60-Hz Y-connected wound-rotor induction motor is rated at 30 hp. Its equivalent circuit components are R=0.100 Ry=0.070. X - 10.00 R = 250 X; -0.2100 X=0.21002 Praw=500 W P =0.5% of input at full load For a slip of 0.05, find (a) The line current (b) The induced voltage in the rotor (c) The stator power factor (d) The rotor power factor (e) The rotor frequency (f) The stator copper losses (g) The core loss (h)...
A 240 V, 50 Hz, six-pole Y-connected, 18 kW, induction motor is tested in the laboratory,...
A 240 V, 50 Hz, six-pole Y-connected, 18 kW, induction motor is tested in the laboratory, with the following results: No load test: Terminal voltage: 240 V, phase current: 6.0 A, AC supply frequency: 50 Hz Locked rotor: Terminal voltage: 36 V, phase current: 8.5 A, input active power: 235 W, AC supply frequency: 50 Hz DC test: DC voltage: 13.5 V, DC current: 10.5 A Find the equivalent circuit parameters of this motor.
please solve the multiple choices [17-18-19-20] (a) What kind of rotor construction is used in this machine? Cylindrical or salient pole rotor? Why? (b) The field current and the mechanical in...
please solve the multiple choices [17-18-19-20]
(a) What kind of rotor construction is used in this machine? Cylindrical or salient pole rotor? Why? (b) The field current and the mechanical input power are adjusted so that the machine delivers 15 k W at 0.9 lagging power factor. Is it a generator or motor? Draw the per- phase equivalent circuit of machine. (c) Determine the excitation voltage and the power angle (degree) Problem 1. (10 Points) A 3-phase, 20 kVA, 460...
QUESTIONS Question-3: Draw "speed vs. torque" curve using data in Table-1. The completed graph represents the speed vs. torque characteristics of a typical DC shunt-wound motor. Terax Qu...
QUESTIONS Question-3: Draw "speed vs. torque" curve using data in Table-1. The completed graph represents the speed vs. torque characteristics of a typical DC shunt-wound motor. Terax Question-4: Calculate the speed regulation (full load - 12 lbf.in) using the equation: 2-143) 143 (no load Regulation (full load speed) Speed regulation- % Part-II - Motor Efficiency Calculation: Set the dynamometer control knob at its full CW position (to provide the maximum starting load for the shunt-wound motor). Turn on the power...
Q4. Most electronic systems need a dc voltage to work properly. The AC-to-DC power supply system ...
part g
Q4. Most electronic systems need a dc voltage to work properly. The AC-to-DC power supply system is including a transformer, a rectifier and a capacitor input filter. The AC input voltage is 110 Vrms at 60 Hz. (a) Draw the full wave bridge rectifier circuit with transformer which steps down voltage to safer and lower levels that are more suitable for use with diodes (b) Show how the capacitor input filter connects to the rectifier output in the...
checking to see if the answers i got are correct and help with the other parts....
checking to see if the answers i got are correct and help with
the other parts. thank you
Chapter 26 Laboratory Application Assignment In this lab application assignment you will examine an RC coupling circuit and an RC low-pass filter. In the RC coulina circuit you will see how the series capacitor blocks the de component of the input voltage but passes the ac component. In the RC low-pass filter you will see how the low frequencies are passed from...
A 10 hp, 60 Hz, three-phase induction motor is delivering rated power while running at 864...
A 10 hp, 60 Hz, three-phase induction motor is delivering rated power while running at 864 rpm. The motor is drawing power from a 208 V, three-phase source. DC tests determine: R1 0.2 ? and R2-0.15 ?, we do not know XI and X2. Ignore XM. The rotational and core losses are 200 W and 100 W respectively. Find: a) The output (shaft torque). b) The number of poles. c) The input power and efficiency d) The power factor at...
A 460-V, three-phase, 4-pole induction motor is known to have the following single-phase equivalent-circuit parameters in ohms-per-phase Y R 19.7 x 10-3 Xi=0.129 X2 0.187 Xm 13.9 The motor is observe...
A 460-V, three-phase, 4-pole induction motor is known to have the following single-phase equivalent-circuit parameters in ohms-per-phase Y R 19.7 x 10-3 Xi=0.129 X2 0.187 Xm 13.9 The motor is observed to be operating at a terminal voltage of 450 V, line-line with an output power of 95 kW at a speed of 1780.7 r/min. Calculate the single-phase equivalent-circuit rotor resistance R2 assuming that the motor core loss is 1200 W and the friction and windage loss is 700 W....
i dont undersrand how to calculate the values from measured data? 2. Turn on the DC...
i dont undersrand how to calculate the values from measured
data?
2. Turn on the DC power supply, measure its output voltage with DMM2 and record it as measured data Vs in Table 6. 3. Use DMM2 to measure the voltages V, V2.V. Va across R R. RR respectively. Use DMMI to measure the current Is (notice: Is=1= 12 + 1,-1). Record the measured values of I, and V., V2, V3. V4 in Table 6. 4. Turn off the DC...
The power input to a dc shunt motor during rated-load conditions
is 100 W. The rotor speed is 2000 r/min, and the armature voltage
is 100 V. The armature resistance is 2? and Rf = 200 ?. Calculate
the no-load rotor speed.
2. The power input to a dc shunt motor during rated-load conditions is 100W. The rotor speed is 2000r/min, and the armature voltage is 100V. The armature resis- tance is 2 Ω and Rf-200Ω. Calculate the no-load rotor...
5. A 208-V four-pole 60-Hz Y-connected wound-rotor induction motor is rated at 30 hp. Its equivalent circuit components are R=0.100 Ry=0.070. X - 10.00 R = 250 X; -0.2100 X=0.21002 Praw=500 W P =0.5% of input at full load For a slip of 0.05, find (a) The line current (b) The induced voltage in the rotor (c) The stator power factor (d) The rotor power factor (e) The rotor frequency (f) The stator copper losses (g) The core loss (h)...
please solve the multiple choices [17-18-19-20]
(a) What kind of rotor construction is used in this machine? Cylindrical or salient pole rotor? Why? (b) The field current and the mechanical input power are adjusted so that the machine delivers 15 k W at 0.9 lagging power factor. Is it a generator or motor? Draw the per- phase equivalent circuit of machine. (c) Determine the excitation voltage and the power angle (degree) Problem 1. (10 Points) A 3-phase, 20 kVA, 460...
QUESTIONS Question-3: Draw "speed vs. torque" curve using data in Table-1. The completed graph represents the speed vs. torque characteristics of a typical DC shunt-wound motor. Terax Question-4: Calculate the speed regulation (full load - 12 lbf.in) using the equation: 2-143) 143 (no load Regulation (full load speed) Speed regulation- % Part-II - Motor Efficiency Calculation: Set the dynamometer control knob at its full CW position (to provide the maximum starting load for the shunt-wound motor). Turn on the power...
part g
Q4. Most electronic systems need a dc voltage to work properly. The AC-to-DC power supply system is including a transformer, a rectifier and a capacitor input filter. The AC input voltage is 110 Vrms at 60 Hz. (a) Draw the full wave bridge rectifier circuit with transformer which steps down voltage to safer and lower levels that are more suitable for use with diodes (b) Show how the capacitor input filter connects to the rectifier output in the...
checking to see if the answers i got are correct and help with
the other parts. thank you
Chapter 26 Laboratory Application Assignment In this lab application assignment you will examine an RC coupling circuit and an RC low-pass filter. In the RC coulina circuit you will see how the series capacitor blocks the de component of the input voltage but passes the ac component. In the RC low-pass filter you will see how the low frequencies are passed from...
A 10 hp, 60 Hz, three-phase induction motor is delivering rated power while running at 864 rpm. The motor is drawing power from a 208 V, three-phase source. DC tests determine: R1 0.2 ? and R2-0.15 ?, we do not know XI and X2. Ignore XM. The rotational and core losses are 200 W and 100 W respectively. Find: a) The output (shaft torque). b) The number of poles. c) The input power and efficiency d) The power factor at...
A 460-V, three-phase, 4-pole induction motor is known to have the following single-phase equivalent-circuit parameters in ohms-per-phase Y R 19.7 x 10-3 Xi=0.129 X2 0.187 Xm 13.9 The motor is observed to be operating at a terminal voltage of 450 V, line-line with an output power of 95 kW at a speed of 1780.7 r/min. Calculate the single-phase equivalent-circuit rotor resistance R2 assuming that the motor core loss is 1200 W and the friction and windage loss is 700 W....
i dont undersrand how to calculate the values from measured
data?
2. Turn on the DC power supply, measure its output voltage with DMM2 and record it as measured data Vs in Table 6. 3. Use DMM2 to measure the voltages V, V2.V. Va across R R. RR respectively. Use DMMI to measure the current Is (notice: Is=1= 12 + 1,-1). Record the measured values of I, and V., V2, V3. V4 in Table 6. 4. Turn off the DC...
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