how to caculate cable size for given amperes

Answer Posted / bala.a

Mr. Virendra this formula is applicable for busbar only
not for cables . as per your statment 10 sq mm cu cable
suitable for 16 A only . PLEASE GO AND CHECK with cable
manufacture catalouge. the 10 sq mm Al cable suitable for
+_ 40A .

Is This Answer Correct ?    3 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What range of speed can you get with the armature control method of speed control of d.c. Shunt motor?

623


What is the function of probe in cro?

635


How to do bus bar short circuit calculation for 230KV/11kv, 60 MVA Substation?

4258


what is data block in plc ? How the values of data block are written and read by hmi ? what is the difference between function and function block ?

2918


State the formula for overall efficiency of thermal power station

2531






what are the types of electromagnetic forces developed in practical transformer?

2158


what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?

1894


How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.

1900


difference between power surge and switching transient

1524


how to calculate earth fault relay current and CBCT ratio

7769


george phenomenon of synchronous machine

6944


IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?

1428


In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?

1476


Define cut-off rate?

643


How is the connection of the tap changer on the HV side been made?

1508