what is power factor? whether it should be high or low? why?

Answer Posted / parag

from economy point of view P.F should be high since;
KVA= KW/P.F
if P.F is high then KVA demand by the load will be less
which hels in saving of bill specially in industries where
they follow two part billing.

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how to operate and maintenance of 1500 kva diesel generator set

1352


What conditions are required for transformer to operate at low frequencies ?

1529


advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor

1397


What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage

5594


how to introduce yourself

1590






can we find the inductance of a induction motor?

1559


What is the name of the winding to which supply is given?

699


75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?

3278


give me atleast four differences between circuit and network

1725


A parallel flow heat exchanger will perform better than a counter flow heat exchanger. State if the statement is true or false.

779


for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance

1523


66kv under ground cable how to layaing in ground any special case two ckt r runing

1543


This is urgent!! What is a Thyristor-based 3-ways selector switch with Zero crossing control? how does it operate and where is it mostly found in a system?

1581


what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

1557


iam using DM 3251 voltmeter(1 percent accuracy)for 11KV system PT ratio is 11KV/110V.can anybody explain what is the max and min voltage deviation.

1764