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I need the solution to be supported by evidence or inference. Question 1:- a-Draw the mechanical characteristic of shunt and series DC motors. b. What is the physical meaning of armature reaction? c. Drive a formula of armature reactiori in DC machine F= ½ Z/P IA/a? d.Drive an expression of the generated EMF for a lap winded DC machine of Z conductor, P number of poles, o tesla per poles and rotates by n (rps)? f,Drive an expression for torque Tx I^2 in series DC motore? g.Explain briefly the following questions 1. What are the reasons for connecting transformers in parallel operation? 2.Why are the brushes of d.c machine always placed at the magnetic neutral axis? 3- Why the iron losses are constant during load and no-load ?

I need the solution to be supported by evidence or inference. Question 1:- a-Draw the mechanical characteristic of shunt and series DC motors. b. What is the physical meaning of armature reaction? c. Drive a formula of armature reactiori in DC machine F= ½ Z/P IA/a? d.Drive an expression of the generated EMF for a lap winded DC machine of Z conductor, P number of poles, o tesla per poles and rotates by n (rps)? f,Drive an expression for torque Tx I^2 in series DC motore? g.Explain briefly the following questions 1. What are the reasons for connecting transformers in parallel operation? 2.Why are the brushes of d.c machine always placed at the magnetic neutral axis? 3- Why the iron losses are constant during load and no-load ?

Introductory Circuit Analysis (13th Edition)
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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I need the solution to be supported by evidence or inference. Question 1:- a-Draw the mechanical characteristic of shunt and series DC motors. b. What is the physical meaning of armature reaction? c. Drive a formula of armature reactiori in DC machine F= ½ Z/P IA/a? d.Drive an expression of the generated EMF for a lap winded DC machine of Z conductor, P number of poles, o tesla per poles and rotates by n (rps)? f,Drive an expression for torque Tx I^2 in series DC motore? g.Explain briefly the following questions 1. What are the reasons for connecting transformers in parallel operation? 2.Why are the brushes of d.c machine always placed at the magnetic neutral axis? 3- Why the iron losses are constant during load and no-load ?
Transcribed Image Text:I need the solution to be supported by evidence or inference. Question 1:- a-Draw the mechanical characteristic of shunt and series DC motors. b. What is the physical meaning of armature reaction? c. Drive a formula of armature reactiori in DC machine F= ½ Z/P IA/a? d.Drive an expression of the generated EMF for a lap winded DC machine of Z conductor, P number of poles, o tesla per poles and rotates by n (rps)? f,Drive an expression for torque Tx I^2 in series DC motore? g.Explain briefly the following questions 1. What are the reasons for connecting transformers in parallel operation? 2.Why are the brushes of d.c machine always placed at the magnetic neutral axis? 3- Why the iron losses are constant during load and no-load ?
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