Interested to Buy Any Domain ? << Click Here >> for more details...
Why motor initial starting current is high?
- 9 Answers
- 63317 Views
- Pennar, I also Faced
- E-Mail Answers
Answer Posted / guest
During starting
1.In a DC motor the back emf is zero
2.In a AC motor the frequency is zero(slip is 0),hence
reactance(z) is zero,I=(v/z) hence current is infintiy
| Is This Answer Correct ? | 22 Yes | 52 No |
Post New Answer View All Answers
Define filter?
I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com
which type of amplifiers are used in multimete?
How isolater function when installed inelectrical 440V wiring
will there be any problem by recovering slip from single phase induction motors?
Differentiate between ideal and non ideal current sources?
Can RCD's used to protect the VVVF drive if not why.
I have been using an 600VA with 0.6 p.f UPS with my desktop which has 450W power supply unit. Can anyone explain how can this happen . Because the output of the UPS is 360W (600*0.6) (<450W)
May I know how much values to be set for earth fault, over current and short circuit values at 11kv side? I have 11kv van 1250amps rating. Present it's taking load 80amps?
For R-L or R-C ckt,time constant formula is L/R and RC respectively and its unit is in sec.Pls tell me the derivation
What is different between Difnit time and instatous over current relay
how can we calculate the ratio of caustic soda and water in lrs.
How i can calculate current of cable according to ares?
What is the earth treantment procedure?
WHAT IS THE FUNCTION OF SHORT CIRCUIT MAINTENANCE CT
