Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / iftekhar mahmud
Caterpillar generator produce (Two generators) 127*2=254 amp
at 11 kv .
What would be the cable size (XLPE) to supply 256 amp at 11
kv? Air or surrounding Temperature is 32 degree C. Cable
will go under ground at 2.5 feet depth. Group Rating Factors
is 3 cables. Clearance between cables is 7 cm. Soil
Temperature (Ambient) 28o C Soil Thermal Resistivity is 1.2
K.m/W
I would like to use 3 separate single core instead of using
3 core cable.
Some says I should use three separate single core 120RM cables.
Some says 70RM .some says 95.
I m totally confused.
Is there ant specific rule to determine cable size?
Ifte
My e mail address is ifte13@yahoo.com
Anyone please send me the answer to my e mail address,
i will be very glad.
| Is This Answer Correct ? | 4 Yes | 3 No |
Post New Answer View All Answers
What is a feedback in control system?
how ceiling fan worked?
Define resonant peak?
how is positive, negative, zero sequence is happen.. how is effect on 3 phase system
why ten delta testing is carried out on power transformer
what ispositive, negative, zero sequence impedence?
if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit
What is an alternator impedance value?
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
i need previous entrence exam papers of nhpc.
After taking shutdown of 11kv feeder, if you see 5kv by phasing stick in the cable side, is it possible to close earth switch in cable.
Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????
HOW TO CALCULATE THE VT SIZING?
how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???
what is meant by class 1 E in electrical power supply?
