A balanced three-phase, A - connected induction motor consumes 3246 W when the l voltage is 208 V, and the line current is 10.6 A. Calculate: i. The motor's winding resistance. ii. The motor's winding reactance. 12 m
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A: Step 1: Find Thevenin's Voltage (Vth)Start by identifying the current i1 through the 400 Ω resistor,…
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- Please solve , last time i got wrong answer6. Analyzing an AC power outlet: a. Identify the common names for measurements 1, 2, 3, and 4 for this voltage trace. In a country using 220 VAC as standard, what is the peak-to-peak voltage? b. C. A single-phase induction motor draws 4 Amps rms when operating in the country above. What is the apparent power usage? Please note the units. û 0 -û- 3 1 V 4Question -9b
- 4. An induction motor draws 4.5 A at a 0.75 lagging power factor from a 208V, 60 Hz source. a) What value of capacitance must be connected in parallel with the motor to raise the overall p.f. to 1. b) Calculate the magnitudes of the motor current, capacitor current and source current with the capacitor in place. 5. A 3-phase Y-connected motor is connected to a three phase Y-conected source with 440V line voltage. It draws a line current of 5A from the source. If the power factor of the motor is 0.8, calculate a) Active power and Reactive power absorbed by the load b) Total Apparent power3.17. A 200-turn coil is rotating at a speed of 3600 rpm in a 4-pole generator. The flux per pole is 2 mWb. Determine (a) the frequency of the induced emf, (b) the maximum value of the induced emf, (c) the rms value of the induced emf in an ac generator, and (d) the average value of the induced emf in a dc generator.There are 160 slots in a 3-phase, 8-pole, 50 Hz., star connected alternator. There are 4 conductors in each slot and all the conductors in a phase are connected in series. Coil span is 150° electrical and the flux per pole is 0.08 Weber sinusoidally distributed. Calculate the emf induced per phase.
- A 120-V-rms 60-Hz sinusoidal voltage appears across a 500-turn coil. Determine the peak and rms values of the flux linking the coil.The winding of a 4-pole alternator having 36 slots and a coil span of 1 to 8 is short-pitched by ........... degrees. 150 40. 90 20 Brushless excitation system consisting of: Stator field winding and power diodes stator and rotor field winding and capacitor stator and rotor field winding and power diodes Everything mentioned in the options Full Name : *10. A potential difference of 250 V is applied to a field winding at 15-C and the current is 5 A. What will be the temperature of the winding when current has fallen to 3.91 A applied voltage being constant. Assume temperature coefficient at 15'C is equal to 1/254.5 per °C
- the field windings of a series motor has a resistance of 120 ohms at 15° c. after running for 2 hours, the resistance has increases to 140 ohms. if the temperature coefficient of the windings at 0°C is 0.004, find the new temperature of the windingsThe dc armature resistance of delta-connected alternator measured across its two terminal is 0.8 ohm. The effective resistance per phase is?AC Machinery Fundamentals A three-phase delta-connected six-pole winding is installed in 36 slots on a stator. There are 150 turns of wire in each slot of the windings. All coils in each phase are connected in series. The flux per pole in the machine is 0.060 Wb, and the speed of rotation of the magnetic field is 1000 r/min. What are the resulting phase and terminal voltages?