How do you calculate of power factor, if it is lagging or
leading for unit(1).
Answer Posted / vishal ingle
we can calculate power factor using formula
P = SQRT(3)* V * I * COS(PHAI)
but for deciding whether leading or lagging p.f we need
complex power
i.e. KVA = KW + j*KVAR or KVA = KW - j*KVAR
Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
33kv substation lay out details & line to line & line to earth measurements
How will you utilise electrical power? You can start from the generating station.
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
what purose of the double circuit transmission line phase of the line phase changed for circuit-1 for Circuit-2 R-Y-B B-Y-R
Is it possible to operate a synchronous 2-poles turbogenerator with a still-in-place faulted bar but electrically disconnected ???? If yes, should I act on the other phases as well ???
I have 1500/1A CT If i connect this CT in 6.6KV bus bar means what will be the voltage present in CT?
how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage. note--it is tested with 5000 kv megger and insulation resistance is 0.05 M ohm. and some time 0.03 M ohm comes.
Benifits of 3ph 4 wire metering over 3ph 3 wire
3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........
what are the installation procedure of high voltage power transformer,CT,CB&PT?
What are the weight of 800KV DA,DB and DC type tower ?
what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?
i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.
1hp= how much rpm
Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar