Interested to Buy Any Domain ? << Click Here >> for more details...
What type of protective system we uses in L.V. distribution
panels?
- 6 Answers
- 9308 Views
- I also Faced
- E-Mail Answers
Answer Posted / nagesh
current protection
1)over current
2)short ckt current
3)Instantanious current
Earth fault relay,
Negative phase sequence
Phase failure
If require
High temprature
High vibration
Safety (door switches)
MD over shoot(MD monitoring)
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Explain cmrr?
how can get electrical c licence.now i am working in spining mill , transformer capacity 2750KVA. SANCTION DEMAND 2250KVA. PLEASE ADVISE ME . MY CONTACT NO 09944226823
can anybody tell me that for p.f. Improvment we use capacitor banks but how to decide its capacitance. As we all know how to calculate kvar but what abt capacitance value
How can maintain our H.T. motors used in cement plant. please send me procedure.
When we giving the 3 phase supply to ups system how to coming netural?
Explain difference between stand by earth fault and residual earth fault protection?
what ispositive, negative, zero sequence impedence?
what kelvin's law ?
why we use sinosidal voltage / current instead of others in system?
What are the three constants associated with a steady state error?
a 230v transformer with step down ratio 19:1.it has 2000turns on primary and rated 25va calculate max primary current no of secondary turns volts/turn
Define resonant frequency?
what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?
what kvrah y we need to take the readind of that
how can i get the formula to find out the cable size if i know the load of main fuse protection.
