How to calculate cable sizes in sq.mm. with using motor KW?
Any formula there?

Answer Posted / rana farrukh anwsr

First of all we will chk rated amp mentioned on motor then will check from chart abt cable sq mom size

Is This Answer Correct ?    23 Yes 9 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what are the stresses in circuit breakers ?

1524


What are the basic elements used for modeling mechanical rotational system?

619


What is the drawback of class b amplifier?

651


How to set a Zone 1 distance relay for distribution feeder?

1547


if there are six generators (3 gas CATT, one Jenbacher o1 MW each, and two nos Diesel 01 no 01 mw other 0.65mw EDGs ( say), 3 CAtt gas set have identical pole pitch,01mw EDG and Jenbacher gas Set have different pole pitch, how their power connection can be done to connect a common bus bar during installation. in short, how different pole pitched generators power connection can be done to connect a common busbar system through generators incomer ACBs.

1141






What are the types of excitation system?

1473


how is working bearing heater?

1564


For refrigerators the motor current is raised beyond its rating on both conditions when the voltage of the system is more(say 270v) than the rated voltage(220v) as well as when the voltage of system is less(say 160v) than normal voltageof 220v, why explain?

1524


sir please tel me how calucalte kwh if home taken load 30ams how maney kwh taken per day.and 3phase motor 5hp per hars how maney load teken and how mach kwh and forward me to electrical table for calicalte kwh and kvr and kvah

3296


As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.

1170


What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)

1716


What is the maximum number of swithes that can be connected in series up to down stream point in an LV Distribution system?

1531


We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.

1215


Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.

1191


Why arc quenching is used in Diode ?

1571