i need the answer quickly HomeWorksQT: A 3-phase, 6-pole, 50 Hz induction motor has a slip of 1% at no-load and 3%at full-load.Find 1. Synchronous speed2. No-load speed3. Full-load speed4. Frequency of rotor current at standstil.5. Frequency of rotor current at full-loadQ2. A 4-pole, 30hp, 3-phase 400 volts, 50HZ induction motor operates at an efficiency of 0.85 with a power factor of0.75(lag).Calculate the current drawn by the induction motor from the mains?Q3. A 6-pole alternator running at 600 rpm. supplies a 3-phase, 4-pole induction motor. If the induction motorinduced e.m.f makes 2 alternations per second, find the speed of the motor?Q4, A 3 phase induction motor has 6 poles and runs at 960 RPM on full load. It is supplied from an alternator having4 poles and running at 1500 RPM. Calculate the full load slip and the frequency of the rotor currents of theinduction motor?HomeWorksQ5. Find the no-load phase and line voltage of a star-connected, 4-pole alternator having flux per pole of 0,1 Wbsinusoidally distributed, 4 slots per pole per phase, 4 conductors per slot, double-layer winding with a coil span of150Q6. A 3-1, 10-pole, Y-connected alternator runs at 600 r.p.m. It has 120 stator slots with 8 conductors per slot and theconductors of each phase are connected in series. Determine the phase and line e.m.fs if the flux per pole is 56 mWbAssume full-pitch coilsQ7. Calculate the speed and open-circuit line and phase voltages of a 4-pole. 3-phase, 50-Hz. star-connectedalternator with 36 slots and 30 conductors per slot. The flux per pole is 0.0496 Wb and is sinusoidally distributed[Assuming f = 50 Hz; 789 V; 1366 V][1910 V; 3300 V][1500 r.p.m.; 3,300 V; 1,905 V]Q8. A 4-pole 3-phase, star-connected alternator armature has 12 slots with 24 conductors per slot and the flux perpole is 0 1 Wb sinusoidally distributed. Calculate the line e.m.f generated at 50 HzQ9. A 3-phase, 16-pole alternator has a star-connected winding with 144 slots and 10 conductors per slotThe flux per pole is 30 mWb sinusoidally distributed Find the frequency, the phase and line voltage if the speed is 375[1850 V][50 Hz; 1530 V: 2650 V]rpm.Q10, A synchronous generator has 9 slots per pole If each coll spans 8 slot pitches, what is the value of the pitchfactor ?011. A 3-phase. Y-connected, 2-pole alternator runs at 3 600 rp.m If there are 500 conductors per phase in series onthe armature winding and the sinusoidal fiux per pole is 01 Wb. calculate the magnitude and frequency of thegenerated voltage from first principles[0.985][60 Hz; 11.5 kV]

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OT A3-phase, 6-pole, 50 Hz induction motor has a slip of 1% at no-load and 3%at full-load. Find 1. Synchronous speed 2. No-load speed 3. Full-load speed 4. Frequency of rotor current at standstil. 5. Frequency of rotor current at full-load Q2. A 4-pole, 30hp, 3-phase 400 volts, 50HZ induction motor operates at an efficiency of 0.85 with a power facto

OT A3-phase, 6-pole, 50 Hz induction motor has a slip of 1% at no-load and 3%at full-load. Find 1. Synchronous speed 2. No-load speed 3. Full-load speed 4. Frequency of rotor current at standstil. 5. Frequency of rotor current at full-load Q2. A 4-pole, 30hp, 3-phase 400 volts, 50HZ induction motor operates at an efficiency of 0.85 with a power facto

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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HomeWorks
QT: A 3-phase, 6-pole, 50 Hz induction motor has a slip of 1% at no-load and 3%at full-load.
Find 1. Synchronous speed
2. No-load speed
3. Full-load speed
4. Frequency of rotor current at standstil.
5. Frequency of rotor current at full-load
Q2. A 4-pole, 30hp, 3-phase 400 volts, 50HZ induction motor operates at an efficiency of 0.85 with a power factor of
0.75(lag).
Calculate the current drawn by the induction motor from the mains?
Q3. A 6-pole alternator running at 600 rpm. supplies a 3-phase, 4-pole induction motor. If the induction motor
induced e.m.f makes 2 alternations per second, find the speed of the motor?
Q4, A 3 phase induction motor has 6 poles and runs at 960 RPM on full load. It is supplied from an alternator having
4 poles and running at 1500 RPM. Calculate the full load slip and the frequency of the rotor currents of the
induction motor?
HomeWorks
Q5. Find the no-load phase and line voltage of a star-connected, 4-pole alternator having flux per pole of 0,1 Wb
sinusoidally distributed, 4 slots per pole per phase, 4 conductors per slot, double-layer winding with a coil span of
150
Q6. A 3-1, 10-pole, Y-connected alternator runs at 600 r.p.m. It has 120 stator slots with 8 conductors per slot and the
conductors of each phase are connected in series. Determine the phase and line e.m.fs if the flux per pole is 56 mWb
Assume full-pitch coils
Q7. Calculate the speed and open-circuit line and phase voltages of a 4-pole. 3-phase, 50-Hz. star-connected
alternator with 36 slots and 30 conductors per slot. The flux per pole is 0.0496 Wb and is sinusoidally distributed
[Assuming f = 50 Hz; 789 V; 1366 V]
[1910 V; 3300 V]
[1500 r.p.m.; 3,300 V; 1,905 V]
Q8. A 4-pole 3-phase, star-connected alternator armature has 12 slots with 24 conductors per slot and the flux per
pole is 0 1 Wb sinusoidally distributed. Calculate the line e.m.f generated at 50 Hz
Q9. A 3-phase, 16-pole alternator has a star-connected winding with 144 slots and 10 conductors per slot
The flux per pole is 30 mWb sinusoidally distributed Find the frequency, the phase and line voltage if the speed is 375
[1850 V]
[50 Hz; 1530 V: 2650 V]
rpm.
Q10, A synchronous generator has 9 slots per pole If each coll spans 8 slot pitches, what is the value of the pitch
factor ?
011. A 3-phase. Y-connected, 2-pole alternator runs at 3 600 rp.m If there are 500 conductors per phase in series on
the armature winding and the sinusoidal fiux per pole is 01 Wb. calculate the magnitude and frequency of the
generated voltage from first principles
[0.985]
[60 Hz; 11.5 kV]

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