what is mean by derating factor?

Answer Posted / manoj tyagi

DRF=1-efficency

Is This Answer Correct ?    20 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is Meter MF if External CT Ratio is 150/1 , PT Ratio is 132/110 Meter CT Ratio is 200/1 & Meter PT Ratio is 110/1

1459


what is transistors comprised of?

740


how did i get the competency certificate as electricle supervisor. iam completed my b.tech.but i dnt have any experince, this certificate is required for applyng ongc mangement trainees. what should i do sir please suggested me

1542


how to calculate power consumption in slip ring motor at different step

1794


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

736






Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.

1679


if a number of plc s are there then how many modbus to be used

1639


Why phase sequence must be same in any ht motor or generator circuit?if phase sequence doesn't same whatever will be affect on circuit?

1822


what is the effect of earth on capacitance in 3-phase and 1- phase transmission line?

1993


What is the real function of reverse power relay in generator panel while syncronising?

1721


show the single line diagram of star delta starter with single phase preventer

4250


11kv/433v delta/star distribution transformer primary side full load Ht current is 83.33A in , but input side VCB rating 800A.why?

1304


Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?

1364


can u give me a brief idea about power line carrier communication ??

1475


For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

1763