A 4 pole induction motor, supplied by a slightly unbalanced three phase 50 Hz source, is rotating at 1440 rpm The electrical frequency in Hz of the induced negative sequence current in the rotor is (A) 100 (B) 98 (C) 52 (D) 48 A 4 pole induction motor, supplied by a slightly unbalanced three phase...

A 4-pole induction motor, supplied by a slightly unbalanced three-phase 50 Hz source, is rotating at...

Fantastic news! We've Found the answer you've been seeking!

Question:

Related Book For answer-question

Electric Machinery

ISBN: 978-0071230100

6th Edition

Authors: Charles Kingsley, Jr, Stephen D. Umans

See More Books

Posted Date: Apr 06, 2023 03:04 AM

See More Questions

The following additional information is available for the Dr. Ivan and Irene Incisor family from Chapters 1-5. Ivan's grandfather died and left a portfolio of municipal bonds. In 2012, they pay Ivan...
A field-oriented drive system will be applied to a 230-V, 20-kW, four-pole, 60-Hz induction motor which has the following equivalent-circuit parameters in ohms per phase referred to the stator: R l =...
Managing Scope Changes Case Study Scope changes on a project can occur regardless of how well the project is planned or executed. Scope changes can be the result of something that was omitted during...
You have been given the following algorithm. What does it return? Input: Array A [ 1 . . . [ 1 . . . n ] ] Output: ? ? ? ? out 1 1 for i 2 2 to n do if A [ [ i ] < ] < A [ [ out ] ] then out i return...
Use minors to expand the determinedof 10 10 7 -A 00
Is it possible to obtain saturated air from unsaturated air without adding any moisture? Explain.
Explain why Depth-First Search Iterative Deepening is reasonably efficient. Why might it be preferable to use DFID rather than depth-first search?
Victoria Hall is a licensed dentist. During the fi rst month of the operation of her business, the following events and transactions occurred. April 1 Invested $20,000 cash in her business. 1 Hired a...
Begin your report with a recommendation on the technological approaches to the migration. Your recommendation citation style that answers the following questions and concerns: Which cloud provider...
Nancy Nanny opened a child-care facility on January 1, Year 1. Use the Chart of Accounts below to complete the requirements on the following pages for Nancy Nanny Child Care. NANCY NANNY CHILD...
Sheila is single and 45 years old. Sheila has two children. Rebecca, age 18, has a job and earned wages of $4,900. John, age 25, also worked and earned wages of $4,500. Both children lived with her...
Electric Fields cannot be seen with the eye although their effects can be obvious. The use of animations and simulations is very helpful to visualize and understand electric fields. Complete the...
1. a. Do the two protons attract or repulse due to the electric force? Do the two protons attract or repulse due to gravity? c. In a helium nucleus, two protons are separated by 1.5 fm (1.5x10-5 m)....
A. In a stress measurement using strain gages, the following strain are measured: =340x10 =315x106 = 110x106 (a) Find Exity and oxy (b) Find principal strains in 2D, as E and their directions. (c)...
The first modern liquid fuel rockets were developed about a century ago. These were ballistic rockets, meaning that the majority of the flight path was that of a projectile, with just a small portion...
Find Etotal @ point P O 8 = +4nC 6cm O (Ans: ~80,000 N/C) q = = -4nC
What are the two key elements for most crimes? Explain both terms. Discuss why product liability insurance is a significant and necessary cost for a business owner. What exclusions might be included...
The domain of the variable in the expression x 3/x + 4 is________.
Draw the steady-state, direct- and quadrature-axis phasor diagram for a salient-pole synchronous motor with reactances Xd and Xq and armature resistance Ra. From this phasor diagram, show that the...
The wound rotor of Problem 11.24 will be used to drive a constant-torque load equal to the rated full-load torque of the motor. Using the results of Problem 11.24, calculate the external rotor...
The constant-speed magnetization curve for a 25-kW, 250-V dc machine at a speed of 1200 r/min is shown in Figure. This machine is separately excited and has an armature resistance of 0.14?. This...
Two machines $X$ and $Y$ were used to produce two types of plastic polymers, PPET and PAMI. The polymers were produced using materials BA and PP. The production was run 3 times. The $y$ values...
The effect on engine wear of oil viscosity, temperature, and a special additive was tested using a $2^{3}$ factorial design. Given the following results from the experiment, Interpret the effects...
An engineering student wanted to know which factors influence the time (in seconds) for his car to go from 0 to 30 to 0 miles per hour. Factor $A$ was the launch, which was either no wheel spin or...

A 4-pole induction motor, supplied by a slightly unbalanced three-phase 50 Hz source, is rotating at...

Question:

Expert Answer:

The detailed ... View the full answer

Electric Machinery

Students also viewed these electrical engineering questions