Answer Posted / nidal rafeeque
Specifically, these curves denotes the instantenous
tripping current, if fault current crosses the designated
mark.
B : 2-5 times the rated current.
C: 5-10 " " " "
D : 10-15 " " " "
C- curves type are used for heavy currents in normal
working.(e.g. Heaters, Gyesers, Irons)
D-curves types are used for heavy inrush currents.(Motors
etc)
| Is This Answer Correct ? | 50 Yes | 7 No |
Post New Answer View All Answers
What is touch potential and step potential?
Explain what is rated speed?
when we have to purchase the transformer by own i.e how much load will preferred HT connection?
How to checked frequency drive output voltages?
how can we phase identification in a distribution line,how we recognise that which phase is coming for a house hold connection.help me............
im electrical engineer, could any one help me for FEWA exam questions please ?
How to calculate the current of Highpressure Mercury Vapour Lamp?what is the basis?whether we have to consider power factor or not?
volts=230 c=10mf a=??
all details of DG UPS HVAC
hi friends ,iam working as genset AVR service engineer in electrical field from past 2 yrs throughout india . i plan to shift in some other job without travelling in same field because i con't travel,i dont know what i do for that so please guide me what job is suited for me,how i can serch the job please anybody helpme iam totally confused
What are unstable systems?
What is control system?
What are the advantages of speed control using thyristor?
can u give me a brief idea about power line carrier communication ??
hello!my name is sheikh iam preparing for indian engineering servieces,please send me the old question papers..to sheikhshaazforjobs@gmail.com
