How to identify Motor leads in their order coming out from
winding without tag (U1, V1, W1 & U2, V2, W2)?
Answer Posted / s.gnanaprakasam
Take the megger,connect its one lead to any one of the
outcoming winding point.Rotate the megger operating handle
and simultaniously touch the other lead of the megger to
other{balance 5 winding points will be there} winding point
one by one.To which point,the megger is showing short
[reading 0] that is two ends of one winding.just assume,it
is U1,U2.Repeat the procedure for the remaining 4winding
points and mark it respectively V1,V2 &W1,W2.Also by using
multimeter in contunity mode with above said procedure ,we
can mark wdg. leads.
Is This Answer Correct ? | 5 Yes | 51 No |
Post New Answer View All Answers
determine two methods to find loose connection in operational electrical system?
do we use links in a dc circuit?if so what s its use in it?
How to know of any cable size if there are not written on cabl?
In HI POT test what is reason for applying the AC VOLTS and DC VOLTS in different applications what is the nessesity for this ?
Can anybody tell abt concrete encased earthing or grounding?
how we do Vector group ,magnetic balance and tap changer test in Transformer?
hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.
If I have 3 essential main switch board and 3 incoming electricity ,but only 1 genset running is that possible.
In a flange coupling, the flange bolts are designed for
What are the two segments of nyquist contour.
when elecromagnatic waves are propogated in a wave guide?
What is the difference between resistance grounding system and resistance earthing system?
which protection function should measure RMS value of current&DFT value of current?
Is any generator is developed which is operated with out diesal or other expensive source?
what is breathing?