What is Calculation of electrical cable size?

Question

حازم عبد الحميد محمد دياب · Answer

**CABLE.SIZING.FORMULA::2LI/(KVd)...............FOR.SINGLE.PHASE I……..LOAD.CURRENT.=160….AMPS L…….LENGTH.OF.THE.CABLE.= 200 METERS K……CONDUCTIVITY.OF.COPPER.=.58,AND.CONDUCTIVITY.OF.ALUMINUM.=36 Vd:- VOLTAGE DROP3% OF230 VOLTS=6.9 VOLT AND FOR3PH.3% OF400VOLT=12 VOLTS APPLY.THE.FORMULA:- AREA(mm2) =2 L * I/(K * Vd) =2 200160/(586.9) =159.92 mm2 required(FOR SINGLE PHASE) AREA(mm2) =1.732L*I/(KVd) =1.732200160/(5812) =79.6 mm2 required(FOR THREE PHASE)**

mohammad nadjafzadeh · Answer

you should use relations and formula in standards and be aware of voltage drop and heat effect. each cable has its own detaile and Specifications.

اسامة الصاوي · Answer

it is a right answer hazem

Emad Shahine · Answer

We can calculate the size of the cable we need , using this formula :
 S= I / D  
S : Section of the cable.
I : Intensity , which is the current in Ampere. 
D : Density, which is theoretically equal to5 and for safety we consider it3.

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What is Calculation of electrical cable size?

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