Cable size and Voltage drop calculation for LT / LV (Low tension/Low voltage) Purpose The purpose of this document is lay to down the guidelines and design procedure for performing the LV cable size and voltage drop calculation. Relevant IS standards:- IS:694/1990 for PVC cable IS:1554 part-1/ 1998 for heavy-duty PVC cable IS: 7098 part-1 /1988 for XLPE cable Procedure The cable size is selected base on the four following consideration:- Cable Derating Amp should be higher than Full Load Current of Load. Cable voltage drop should be less than…
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