HT Cable Size Calculation | Cable Sizing and Selection | Part 1

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In this Video, I have discussed about HT Cable Sizing Step by Step .
Current Carrying Capacity Methods .
As per NEC Standard
#cable_Size
To know More About Cable Please follow Links :

MEP TECHNICAL WORLD
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Sir what is reason for selecting 240 sq mm in nce

rakshit_elecrical_project_work
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pleaee make part2 of HT side cable selection

healingmeditation
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salam which table is in bs7671 its similar to table 4h4a

mohamedkhalif
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please share the clause for point of supply for public and private as per NEC

karampudisrihari
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You are speaking of 100kva, but displayed as 1000kva.I am confused

amarnathmishra
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If the 25mmsq of cable arrivlved from table then why you moved to 240

adilraza
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HT SIDE YOU DISPLAYED IN DRAWING 100 KVA TRANSFORMER , IS IT 1000 KVA OR 100 KVA ?

sujitmorbale
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Can you give nec ref code for 11 kV cable size

shivlok
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Wrong! there is no cable under 35 mm2 in HT line, 3 core...

mitech_mep
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Cable sizing information is wrong.
If u consider 1000 kva that's amp capacity is 52 amp
Let's move further
Include derating factor 0.65
This is value of soil resistivity, depth of laying and temp factor

52/0.65 = 87 amps
Available size is 50 sqmm 3core xlpe / PVC swa/PVC

1000 kva trafo short circuit is 0.85 ka another hand 50 mm cable short circuit rating is 7.5 ka
Hence it's proof 50 mm square z sufficient.

For safer side u can go for 70 sqmm

salmananwar
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Ur info is not confirmed in this vd because u r concept not clear

MuhammadQasim-scgn
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GUYS.... THIS INFORMATION IS WRONG. PLEASE DON'T BE MISGUIDED TO SEE THIS VIDEO. OTHERWISE YOU WILL START BLASTING THINGS UP..

muhammadalimughal
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voice is confusing voice 100kVA, written 1000kVA?

Mohde