|
What are the functions of yoke? What is the choice of material for the yoke?
|
|
0
|
2179
|
January 19, 2018
|
|
What is meant by reactance voltage?
|
|
0
|
684
|
January 19, 2018
|
|
Parts of the DC generators
|
|
0
|
448
|
January 19, 2018
|
|
What are the conditions to be satisfied for parallel operation of DC generators?
|
|
0
|
3576
|
January 19, 2018
|
|
The series field winding has low resistance while the stunt field winding has high resistance. Why?
|
|
0
|
8677
|
January 19, 2018
|
|
Why does curving the pole faces in a DC machines contributes to a smoother DC output voltage from it?
|
|
0
|
3164
|
January 19, 2018
|
|
Why the air gap between the pole pieces and the armature is kept very small?
|
|
0
|
2217
|
January 19, 2018
|
|
In DC generators, the series field winding has low resistance while the shunt field winding has high resistance. Why?
|
|
0
|
650
|
January 19, 2018
|
|
Equivalent circuit of a single phase transformer
|
|
0
|
264
|
January 19, 2018
|
|
What material is used in the transformer core?
|
|
0
|
262
|
January 19, 2018
|
|
Voltage Regulation of Transformer
|
|
1
|
299
|
January 19, 2018
|
|
What is the Ideal transformer?
|
|
1
|
340
|
January 19, 2018
|
|
Advantages of three phase motor over single phase motor
|
|
0
|
299
|
January 19, 2018
|
|
Will the alternators have rotating armature system or stationary armature system?
|
|
0
|
866
|
January 19, 2018
|
|
What is the general system requirements of alternator?
|
|
0
|
2377
|
January 19, 2018
|
|
Various methods for predetermining the voltage regulation of 3-phase Alternator
|
|
0
|
1834
|
January 19, 2018
|
|
Define the term voltage regulation of Alternator
|
|
0
|
343
|
January 19, 2018
|
|
An Alternator is found to have its terminal voltage on load condition more than that on no load. What is the nature of the load connected?
|
|
0
|
414
|
January 19, 2018
|
|
What factors does the load angle depend?
|
|
0
|
985
|
January 19, 2018
|
|
What is meant by load angle of an Alternator?
|
|
0
|
305
|
January 19, 2018
|
|
What is meant by synchronous impedance of an Alternator?
|
|
0
|
448
|
January 19, 2018
|
|
What do you mean by synchronous reactance?
|
|
0
|
369
|
January 19, 2018
|
|
What is meant by armature reaction in Alternators?
|
|
0
|
289
|
January 19, 2018
|
|
What are the causes of changes in voltage in Alternators when loaded?
|
|
0
|
906
|
January 19, 2018
|
|
Why are Alternators rated in kVA and not in kW?
|
|
0
|
334
|
January 19, 2018
|
|
Define winding factor
|
|
0
|
370
|
January 19, 2018
|
|
Why is short pitch winding preferred over full-pitch winding?
|
|
0
|
3380
|
January 19, 2018
|
|
What is distributed winding?
|
|
0
|
321
|
January 19, 2018
|
|
What is the relation between electrical degree and mechanical degree?
|
|
0
|
3133
|
January 19, 2018
|
|
How does electrical degree differ from mechanical degree?
|
|
0
|
296
|
January 19, 2018
|