In general, which of the following is/are a factor that will determine the synchronous speed of a3-phase motor?4.a) frequencyb) number of stator poles per phasec) both "a" and "b"d) neither "a" nor "b"

This question is from "Electrical Engineering". Under which we are going to study the factors over…

In general, which of the following is/are a factor that will determine the synchronous speed of a 3-phase motor? a) frequency b) number of stator poles per phase c) both "a" and "b" d) neither "a" nor "b"

In general, which of the following is/are a factor that will determine the synchronous speed of a 3-phase motor? a) frequency b) number of stator poles per phase c) both "a" and "b" d) neither "a" nor "b"

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...

See similar textbooks

Related questions

Q: In an induction motor running, if the direction of the rotating field is changed by swapping the two…

A: When we swapping any two phase of induction motor, direction of rotating magnetic field get reverse…

Q: (a) The reactance's of the alternator during the periods of the subtransient, transient and steady…

A: Given : XL=0.15 ΩXD=0.24 ΩXF=0.44 ΩXa=0.7 Ω Step 1 : Calculate transient reactance Transient…

Q: When slip of a three phase induction machine becomes negative, it will be functioning as a motor.…

Q: A three phase induction motor rotates at speed of 1455 r.p.m. when its synchronous s 1500 rpm. Find…

A: In this question we need to find a speed of stator with respect to rotor field.

Q: If the no-load speed of a squirrel cage induction motor connected to a three-phase, 50 Hz is 12.…

Q: The speed regulations of two 800-kW alternators A and B, running in parallel, are 100% to 104% and…

Q: In a DC motor the relation between the core loss (Pcore) and rotational loss (Protational) iS O…

Q: A 3-phase 60 Hz I.M. has a rated speed = 1650 R.P.M., its speed at slip = -0.15 is equal to:

A: In this question, We need to determine the speed at the slip = -0. 15 We know Synchronous speed N=…

Q: The break operation of the I.M. at speed less :than synchronous speed is When rotor rotates in the…

Q: Find the magnitude and phase angles of the currents in the is applied to the motor under starting…

A: Given, P=1KW V=120V f=60Hz a)…

Q: ) What is a compound DC generator? a) a generator which utilizes a shunt or a series field b) a…

A: The explanation to both questions are as follows.

Q: 4- An induction Motor is a) Self-starting with high torque c) Self-starting with low torque 5- In…

A: (4) Starting of induction motor: Because each phase's winding displacement is 120 degrees, and the…

Q: When a three phase AC generator encounters a short circuit fault, the damping torque parameter, it…

A: AC shunt Generator- AC generator is also known as an electrical generator that is energy converting…

Q: - which of the following 3-phase motors has a wire wound rotor a- polyphase induction motor…

A: 1. Polyphase induction motor consists of wire wound rotor and slip rings. Hence option b is the…

Q: In the following figure explain how the rotation is produce when the motor is operating in full-step…

Q: C-1. Which of the two stator windings used on single-phase split-phase motors is made up of the…

A: C-1 The single-phase split-phase motor consists of two windings, starting winding and main winding.…

Q: A 3-phase, 60 Hz induction motor has 2 poles. If the slip is 2% at a certain load, determine the…

A: According to the question, it is given that Frequency of induction motor (f) = 60 Hz Number of poles…

Q: calculate (i) the slip (ii)the e.m.f. induced in rotor in each phase (iii) the rotor resistance per…

A: A 3-phase star connected induction motor has, frequency f=50 Hz, No.of poles (P)=4 At standstill…

Q: 5) A-In general, which of the following is/are a factor that will determine the sync5hronous speed…

A: 5. A. the speed of the 3 phase synchronous motor is determined by the

Q: Which of the following application, 3-phase slip-ring induction motors are normally used? O Cranes O…

A: This question is based on the Application of the slip ring induction motor ?

Q: A 3-phase, 60 Hz induction motor has 2 poles. If the slip is 2% at a certain load, determine the…

Q: What are the following statements are true for a three-phase induction motor? I. Three-phase…

A: Based on the construction and working of three phase induction motor this question can be answered .

Q: In a two-pole synchronous generator, the voltage positive peak... a) Is half the negative peak b)…

A: you know by Faraday law of induction e =-Ndϕdt so when value of change in flux is maximum the…

Q: For two parallel synchronous generators of the same size and same droop in frequency-Active Power…

A: for two parallel synchronous generators of the same size and same droop in frequency active power…

Q: A three-phase, 3.3 kV, 50 Hz power supply is used to drive an induction motor. The motor has an…

A: If you have any doubts feel free to ask.... Thankyou

Q: A balanced three phase induction motor has an efficiency of 0.85 when its output is 44.76 kW. At…

A: In this question, We need to determine the slip of the induction motor? If output power Po=…

Q: A 3-phase, 60 Hz induction motor has 2 poles. If the slip is 2% at a certain load, determine the…

Q: The power factor of three- phase induction motor is decreased with decreasing in loading? * True…

A: True The statement that the power factor of three phase Induction motor is decreased by decreasing…

Q: Comment briefly on the relationship between input and output power at varying excitation levels and…

A: Infinite Bus Bar is the bus bar where many(infinite) synchronous machines are connected. The…

Q: a- Which of the following is/are a general class of single-phase split-phase motor? a…

A: 1) the general class of single-phase split-phase motor are Resistance Start induction-run…

Q: Q2)) A 3300-V, 3-phase, 50-Hz, star-connected synchronous motor has a synchronous impedance of 2 +…

Q: sists of three electromagnets located at 120 rees from each other that induce voltages i rotor…

A: A three phase synchronous generator is a machine that is designed in such a way that it generates…

Q: Power will be consumed by the moto. it the blanks: 1. The two windings of a transformer is ...linked…

A: The answers to the all given questions is given below.

Question

In general, which of the following is/are a factor that will determine the synchronous speed of a
3-phase motor?
4.
a) frequency
b) number of stator poles per phase
c) both "a" and "b"
d) neither "a" nor "b"

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Can you answer the questions ?
Subject Electrical Machines 2
What is the working principle of a single phase motor
A 3-0, 50-Hz induction motor with its rotor star-connected gives 500 V (r.m.s.) at standstill between slip-rings on open circuit. Calculate the current and power factor in each phase of the rotor windings at standstill when joined to a star-connected circuit, each limb of which has a resistance of 10 Q and an inductance of 0.03 H. The resistance per phase of the rotor windings is 0.2 Q and inductance 0.03 H. Calculate also the current and power factor in each rotor phase when the rings are short- circuited and the motor is running with a slip of 4 per cent. [13.6 A, 0.48; 27.0 A, 0.47] (London University) A 4-pole, 50-Hz, 3-phase induction motor has a slip-ring rotor with a resistance and standstill reactance of 0.04 2 and 0.2 2 per phase respectively. Find the amount of resistance to be inserted in each rotor phase to obtain full-load torque at starting. What will be the approximate power factor in the rotor at this instant ? The slip at full-load is 3 per cent. [0.084 2, 0.516 p.f.]…
A 3-phase, 60 Hz induction motor has 2 poles. If the slip is 2% at a certain load, determine the synchronous speed and the speed of the rotor and the frequency of the induced e.m.f.’s in the rotor
Consider a single phase synchronous machine of cylindrical rotor type. A single phase supply is given to the stator winding and a voltmeter is connected across rotor winding. For what value of Or, the voltmeter reads maximum? a) 90° b) 0° c) 45° d) 30°
8. The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is (i) 600 r.p.m. (ii) 1000 r.p.m. (iii) 1200 rp.m. (iv) 300 r.p.m.
Please solve this question in control system
a) 5A The synchronous speed of a 4 pole, 3-phase Induction motor is 1800 rev/min. The frequency of the supply is A7 a) 25 Hz b) 50 Hz c) 60 Hz d) 100 Hz
How to adjust reactive power in synchronous machine? A) by changing the load applied to the shaft B) by changing the frequency C) by changing the excitation current D) by changing the applied voltage
No load test was conducted on a three phase induction motor at different input voltages and the input power obtained was plotted against the input voltage. The intersection of the extrapolated curve on the Y-axis, would give (a) rated core loss (b) windage and friction loss (c) rated copper loss (d) rated core loss and windage and friction loss
The reactance’s of the alternator during the periods of the subtransient, transient and steady state periods are following, Leakage reactance(XL)=0.16 ohm, Damper winding reactance(XD)= 0.28 ohm Field winding reactance(Xf)=0.41 ohm and Armature reactance (Xm)= 0.74 ohm. The value of the steady state reactance during the steady state condition is Steady state Reactance Answer