Answer Posted / raktim
KW is called active power, where KVA is apparent power.
In AC system we know there is another power called Reactive power (KVAr).
KW= KVA*cos(thita)
where cos(thita) is power factor.
KVA=root of ((kw)^2 +(kvar)^2)
| Is This Answer Correct ? | 8 Yes | 2 No |
Post New Answer View All Answers
We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's
If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021
A logic circuit that provides a HIGH output if one input or the other input, but not both, is HIGH, is a(n)?
what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????
what is 3rd Harmonics? how it is generated in alternator
if sf6 gas low in gis what will happen
if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)
Explain the difference between verilog task and verilog function?
What is order of the system?
I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.
we have a 2.5hp Starite electric motor water pump,the elec motor burned out,we need to replace starting capacitor(old capacitor specs erased),what microfarad rating capacitor do we need? 110-125V
How does a transformer contribute towards the widespread popularity of ac system over dc?
What aturn on methods of scr?
Sir, I m 3rd year student 4m DCE and want to do internship in siemens or l&t or any other mnc related to electrical engineering. please tell me the procedure 4 same and oblige me
how hydrogen cooled alternator undergo maintanence ? that is hydrogen when come in contact with air can result into explosions .