Answer Posted / shalini.b
Power factor is the cosine of angle between voltage &
current.i.e cos(phi)
or
It is the ratio of Active power to reactive power
cos(phi)=KW/KVA
| Is This Answer Correct ? | 20 Yes | 3 No |
Post New Answer View All Answers
Lt motor sfu flashing reasons?
Difference between Lugs and Thimbles
What type of a DC motor would you use for a lift?
is it possible for different brand of H.V transformers to run or operate in parallel to each other? if so how much disturbance can this affact the H.V bus bar?
What are the material used for resistor?
when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you
There are different classes of protections in power plants.class a,b,c are clear..is there any class d and e r there..and elaborate class b protection.
What is the use for cable entry in control room?
What is meant by derating factor?
FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?
HOW TO DESIGN THE body EARTH cable(Copper Conductor) size for 60KVA UPS?
Which cable is use for rtcc control panel
what is the voltage between earth & neutral in 3 phase electrical connection.
What is meant by short-pitched winding?
impliment (AB)`+C to transistor representation