How to calculate the current carrying capacity of
electrical cables
Answers were Sorted based on User's Feedback
Answer / at
for 50KW motor
p=50
I = 50x 1.2 (thumb rule)
=60 A
Size of cable : 60x0.2(thumb rule)
: 12
so min size of cable req. 12 sqmm.
| Is This Answer Correct ? | 14 Yes | 14 No |
Answer / arpit patel
current carrying capacity=cross section area *conductor density
suppose aluminium or copper ...etc
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / manojkumar
BY SIMPLE
CURRENT DENSITY = LOAD CURRENT/AREA
FOR COPPER OR ALUMINIUM CURRENT DENSITY CAN BE VARIED ACCORDING TO OUR DESIGN.FOR GOOD DESIGN CURRENT DENSITY SHOULD BE REDUCED WHICH HELPS IN EASY TEMPERATURE DISSIPATION.
CONSIDER CURRENT DENSITY OF 0.6A/SQ.MM FOR cu OR AL
LOAD CURRENT-100A
THEN
0.6=100/AREA
AREA=166 SQ.MM
MEAN THAT 166 SQ.MM REQUIRED TO CONDUCT 100A.
| Is This Answer Correct ? | 2 Yes | 11 No |
Answer / karthik raman.b
from the size of the cable we can find particular sq mm we can
send some current
| Is This Answer Correct ? | 111 Yes | 132 No |
suri transmission
Define characteristics impedance?
In a dc series motor increases in lord current results in
What is meant by pilot exciter and its working?
Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.
what is the breaking capacity and making capacity of circuit breaker and how
2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?
Dear Respected sir how to test ABB REX521 protection relay by relay tester.
why the NGR (neutral grounding resistor) always OFF during DG off?
what is breaking capacity
difference between isolator and circuit breaker?????
what is the difference between diode and zener diode?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)