what is derating factor in Cable ? how we minimise this?
Answer Posted / lakhwinder singh
Derating factor =Derated current capacity/cable ampacity
derating facor depends upon :- Ambient temp.
grouping of cable
thermal resistivity of soil
depth of laying.
| Is This Answer Correct ? | 39 Yes | 6 No |
Post New Answer View All Answers
how commomn gate triggering is given for TRIAC ? other thyristor wont be efffected?
How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...
How to design pavement quality concrete by using C.R.C.P Method
what is self capacitance of inductor
Why efficiency of generator is higher than motor at a particular load?
A jet of fluid strikes a plate What was the force required to counter it?
what will happens if one phase is missing for 33/11kv power transfomer and why?
what is meant by impulse voltage?
how does commutator convert a.c to d.c?
working principles of cf lamp,incandescentlamp and f lamp?
does buccholz in a transformer use batteries
what is the effect of power factor of machines in starting current
how to apply b license to c license in tneb
Can double compression glands be used with regular cables?
If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?