what is form factor.and rms value..
Answer Posted / k.sushma
The ratio of r.m.s value to the average value of an ac is know
as form factor.
Form factor=r.m.s value/average value
R.M.S value =maximum value/peak factor
Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
Can any answer me ,What will be the range of C.T coil for L&T energy meter EM301 used for 180 kva DG set
what is a power factor?
A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3
Why are the cores of large transformers built up of circular transactions ?
It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.
How do the synchronizing lamps indicate the correctness of phase sequence between existing and incoming alternators?
Which motor will you choose which can operate in both lagging as well as leading power factors?
how does a submersible pump work..?
AL=0B9H,bl=75H, ADD AL,BL AL=____________? CF________? OF___________?
DERIVE AN EXPREION FOR MAXIMUM POER TRANSMISSION, WHAT ARE ITS APPLICATIONS.
If we have 11 kv RYB Phase single core cable near about. Then wht effect and losses
how does it help for selection of a transformer.
what is the constructional difference between a power transformer and potentian transformer?
Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?
bsec exam syllabus (mis)