Answer Posted / madasamy
1.wats used in motors.. KVA used in transformers .
2.motor power depens on P.F therfore motor power equal to v.i.cos(pi)
3. but transformer power depends only v and i so p=vi
if transformer capacity 100 KVA is equal to 100*0.9=90kw we assumming p.f is 0.9
Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
i need to now what will be the cable size to the following load, transformer to distribution panel distance 110m, load 1000kw, voltage 400v, pf 0.85, permissible voltage drop 2.0%, overhead line, atmospheric temperature 35 degree c.
What is meant by harmonic distortion?
What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.
How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer
Convert a star connected network into a delta connected network.
What is maximum power transfer theorem?
Draw torque - speed curve and load curve of induction motor? mark operating point ?
i want to know how to determine that a surge arrester work properly in 11kv system. and how to test a 12kv surge arrester
how to copy from plc ge fanuc versamax series,all input and output, adress, and printout.
what is meant by impedance & transient protection?
what is meant by brushed alternator & its working principle ?
Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?
can i connect the two phases of scott connected transformer,if not why?
how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.
STATE USE OF ARC RUNNERS & SPLITTERS ?