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Question
how to calculate the cable size for LT and HT power cables
with detail explanation?
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
depends upon the rating of a motor or feeder. for LT the
current capacity of power cables for AL is 1.5 times of
cable size and copper is 2.5 times.
 
Is This Answer Correct ?    11 Yes 8 No
M Raviteja
 
Answer
# 2
feeder rating plus 1.5multiple tollerance 
Is This Answer Correct ?    11 Yes 22 No
Guest
 
 
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
how to select DG set for certain load? ACC 7
1.WHAT ARE TRANSMISSION LINE LOSSES DURING WINTER AND SUMMER SEASON? 2.WHAT ARE THE CAUSES/ 3.WHEN THE CORONA IS MORE?.,WHETHER WINTER OR SUMMER? 4. WHAT IS THE PERCENTAGE OF LOSSES IN TRANSMISSION LINE? Coastal-Energen 1
What do u mean by Line voltage Monitor?Where it is used in a Power system?   1
is there a different b\w ground fault CB and earth leakage   1
Can HT cable(11kv cable) be used for 415V, 700A requirement.   5
Why CT secondary is grounded?   3
can u name the different types of motors used in different types of applications? Bhel 4
what is the surge arrestor?how it operates?what is the range for it?   4
how do skin effect is reduced when hallow cond or stranded cond are used ?   1
funtion of choke L&T 4
How open delta used for protection?   4
If we impress a dc voltage of 230 V on an unloaded 230 V, 50 Hz transformer it wi A give high secondary voltage B burn out C give secondary voltage as per K D none of these   1
 
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