Sine wave A has a positive-going zero crossing at 20°. Sine wave B has a positive-going zero crossing at 45°. Determine the phase angle between the two signals. What signal leads ? A A-connected system can have wires. The (resultant) voltage between the hot legs (277V) is The phase angle between the phase voltage and the line voltage of a A-connected generator is degrees.

Sine wave A has a positive-going zero crossing at 20°. Sine wave B has a positive-going zero crossing at 45°. Determine the phase angle between the two signals. What signal leads ? A A-connected system can have wires. The (resultant) voltage between the hot legs (277V) is The phase angle between the phase voltage and the line voltage of a A-connected generator is degrees.

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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3.The voltage generated across one inductor of an alternator is 8.11V. There are 120 slots and 4 turns in every coil. The conductors are all in series and connected in double layer lap windings distributed sinusoidally in several slots. The coil pitch is 10 slots, frequency is 60 Hz and synchronous speed is 720 rpm. Calculate the line-to-line generated voltage if the alternator windings are connected wye. a. 2400Vb. 4160Vc. 4800Vd. 856V
An alternator is a type of alternating current generator that is electromechanical. 1. True 2. False
5- In a DC generator in case the resistance of field winding is increased, then output voltage will (a) Increase (b) Decrease (c) Remain unaffected (d) Fluctuate heavily
Instantaneous power output of a single phase 60 Hz generator will not be constant only under following condition: O A. The load draws only real power. O B. The load draws only reactive power. O C. None of the other choices are correct O D. The load is unbalanced. O E. The load draws bothreal and reactive power.
If the load is connected to the generator thgrough an inductive line and the voltage at the load side is the same as the voltage at the terminals of the generator, which of the following must be true? O A. The reactive power is flowing from the generator to the load and from load to the generator at the same time. O B. The load is disconnected, and no power is delivered to the load. O C. The load has a poor power factor and it's absorbing too much reactive power. O D. None of the other choices are correct O E. The generator is unable to produce reactive power; therefore, the reactive power is flowing from the load to the generator.
QI/ Caleulate the voltage per phase for a 3-phase 1500 rpm, 4-pole alternator having a 16 conductors per slot connected in two layers. The slots per pole per phase are 8 and the coil span is 20 slots. The phase spread is 60° and the flux per pole is 25-8 x 1o weber.
Whats the true option
Calculate the voltage per phase for a 1500 rpm, 4 pole alternator having a double layer winding with 16 turns per coil. The slots per pole phase are 8 and the coil span is 20 slots. The phase spread is 60o and the flux per pole is 25.8 milli webers.