why we use 25 kv in railway .not 11kv, or 33 kv
- 2 Answers
- 8873 Views
- ISRO, I also Faced
- E-Mail Answers
Answer Posted / senthil nathan
as per load requirement(TRACTION MOTOR, DC SERIES WOUND
MOTOR 782V, 250AMPS) They have selected this 25kv. because
using transformer power can not be varied voltage or
current may vary but power remains same.
| Is This Answer Correct ? | 9 Yes | 11 No |
Post New Answer View All Answers
State how to produce a constant rotating field by application of alternating currents to stator armature of a three-phase squirrel-cage induction motor
sir iam from electrical and electronics branch ,can i appear for the hpcl offline requirtment? if yes please mail me on vikram_raju25@yahoo.co.in
Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC
What are conduct on the testing in cf in ur site?
how to calculate percentage impedence at 75 deg C at normal tap
what is the size of cable for 15kw motor and 85 meter cable length using with vfd
Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??
What are the disadvantages of autotransformer?
The series field winding has low resistance while the shunt field winding has high resistance. Why?
How to minimize the eddy current losses?
WHAT IS THE USE OF PIG TAIL IN WINDOW CT ?
How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?
Where burned of electricity,when,who, & why.
Define the three phase formula fuse.
why in the three pin plug all 3 pins are cutted ?
