Ask Question, Ask an Expert


Ask Electrical & Electronics Expert

1) Describe the vector diagram of the synchronous reluctance motor

2) Deduce the expression for emf induced within the synchronous reluctance motor.

3) Deduce the torque equation of the switched reluctance motor.

4) describe what is the step angle of the 3 phase SR motor having 12 stator poles and 8 rotor poles? Specify the commutation frequency in every phase at the speed of 6000 rpm?

5) Deduce the expression for 3 phase torque in the sine wave PMBL D.C motor.

6) describe the self control of the permanent magnet synchronous motor.

7) Specify the difference between the mechanical and electronic commutation.

8) A PMBL D.C motor has the torque constant of 0.12Nm/A. referred to the d.c supply If the armature resistance is 0.15 ohms/ph and the total voltage drop in the controller transistors is 2V, Find the stall current & stall torque.

9) Describe the construction and principle of the PM type stepper motor with (1 ph on and 2ph on) mode of excitation.

10) A stepper motor has the step angle of 1.8deg and is driven at 4000pps. Find:

i) The resolution

ii) Motor speed

iii) Number of pulses needed to rotate the shaft through 54 deg.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M913293

Have any Question? 

Related Questions in Electrical & Electronics

1 when is it meaningful to attribute a group velocity to a

1. When is it meaningful to attribute a group velocity to a signal comprised of more than two frequencies? Why? 2. Discuss the propagation of a narrow-band amplitude modulated signal in a dispersive channel. 3. Discuss t ...

A clean 15--efficient module stc 1 m2 in size has its own

A clean, 15-%-efficient module (STC), 1 m2 in size, has its own 90% effi- cient inverter. Its NOCT is 44° C and its rated power degrades by 0.5%/° C above the 25° C STC. a. What would its STC rated power be? b. Find the ...

1 discuss the general solutions for the line voltage and

1. Discuss the general solutions for the line voltage and current in time-domain and the notation associated with their representation in concise form. 2. What is the fundamental distinction between the occurrence of the ...

Consider two bar elements under a force at the tip using

Consider two bar elements under a force at the tip. Using the displacement controlled method, plot the load-displacement curve (F vs. u 2  and u 3 ). Increase the tip displacement u 3  up to 1.0 m by ten equal increments ...

The pressure rise across a pump p this term is proportional

The pressure rise across a pump P (this term is proportional to the head developed by the pump) may be considered to be affected by the fluid density ρ, the angular velocity ω, the impeller diameter D, the volumetric rat ...

Load flow calculation -in the power network shown below

Load Flow Calculation - In the power network shown below, node 1 is the slack bus, where the nodal voltage is defined as (1.0∠0 o ) pu, nodes 2, 4 and 5 are load buses, and node 3 is a generator bus where the voltage mag ...

The mass m of drops formed by liquid discharging by gravity

The mass M of drops formed by liquid discharging by gravity from a vertical tube is a function of the tube diameter D, liquid density, surface tension, and the acceleration of gravity. Determine the independent dimension ...

An oscillator by definition is a source no input that

An oscillator by definition is a source (no input) that generates a sinusoid of a certain frequency ω0. Therefore an oscillator is a system whose zero-input response is a sinusoid of the desired frequency. Find the trans ...

1 what is the revised definition of h2 state the

1. What is the revised definition of H? 2. State the relationship between H and B for a magnetic material. How does it simplify the solution of field problems involving magnetic materials? 3. What is an anisotropic magne ...

Question 1a 1000-pf capacitor a 1-mh inductor and a current

Question 1: A 1000-pF capacitor, a 1-mH inductor, and a current source of 2 cos 10 6 t mA are in series. The capacitor voltage is zero at t = 0. Find the energy stored (a) in the inductor at t = 0; (b) in the capacitor a ...

  • 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