Ask Question, Ask an Expert


Ask Electrical & Electronics Expert

1) Describe the following terms with respect to rotating electrical machines

2) prepare down advantages of short- pitched coils.

3) Describe rotating magnetic field in detail.

4) Describe pitch factor in detail.

5) prepare down the equation for emf generated in D.C.machine.

6) What do you mean by winding factor?

7) What do you mean by distributed windings?

8) Describe how is voltage generated in rotating machines?

9) prepare down the torque equation for round rotor machine.

10) Which kind of winding is appropriate for ac machines? Describe in detail.

11)a) Deduce the expression for generated emf in synchronous machines.

b) A 50 Hz synchronous most important pole generator is driven at 125 rpm. There are 576 stator slots with two conductors per slot, air gap diameter is 6.1 m and stator length is 1.2m. Sinusoidal flux density has the peak of 1.14T. Compute the line voltage induced for star connection.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M911372

Have any Question? 

Related Questions in Electrical & Electronics

Consider the simple rc circuit shown in fig p23-3 let r 1

Consider the simple RC circuit shown in Fig. P2.3-3. Let R = 1 kΩ and C = 1 nF. (a) Find the system transfer function. (b) Plot the magnitude and phase responses. (c) Show that a lowpass signal x(t) with bandwidth W « 10 ...

1 what is a uniform plane wave2 why is the study of uniform

1. What is a uniform plane wave? 2. Why is the study of uniform plane waves important? 3. How is the surface current density vector defined? Distinguish it from the volume current density vector. 4. How do you find the c ...

A continuous-time signal x t deltat 12 is sampled at

A continuous-time signal x (t) = Δ((t = 1)/2) is sampled at three rates: 10, 2, and 1 Hz. Sketch the resulting sampled signals. Because x (t) is timelimited, its bandwidth is infinite. However, most of its energy is conc ...

For an ltid system specified by the equationa find the

For an LTID system specified by the equation a. Find the amplitude and the phase response. b. Find the system response y[n] for the input x[n] = cos (0.5k - (π/3)).

1 discuss briefly the motional emf concept2 what is lenzs

1. Discuss briefly the motional emf concept. 2. What is Lenz's law? 3. How would you orient a loop antenna in order to obtain maximum signal from an incident electromagnetic wave which has its magnetic field linearly pol ...

1 find the minimum value of h for which the gate shown

1. Find the minimum value of h for which the gate shown will rotate counterclockwise if the gate cross section is (a) rectangular, 4 ft × 4 ft; (b) triangular, 4 ft at the base × 4 ft high. Neglect bearing friction. 2. A ...

1 how do you find the approximate value of the surface

1. How do you find the approximate value of the surface integral over a given surface? 2. How do you find the exact value of the surface integral? 3. Provide physical interpretations for the closed surface integrals of a ...

1 what is a boundary condition how do boundary conditions

1. What is a boundary condition? How do boundary conditions arise and how are they derived? 2. Summarize the boundary conditions for the general case of a boundary between two arbitrary media, indicating correspondingly ...

1 write a function that accepts a number t0 as input

1. Write a function that accepts a number t0 as input argument and returns the unit step function u(t t0). Your function should also create the graph of u(t t0) in a proper time interval. 2. Write a function that accepts ...

1 can h323 also be used for video2 given the following

1. Can H.323 also be used for video? 2. Given the following message, find the compressed data using run-length coding. AAACCCCCCBCCCCDDDDDAAAABBB 3. Given the following message, find the compressed data using the second ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro