what is relation between motor poles & motor current in 3
phase motor
WHAT IS OLTC OF TRANSFORMER? WHERE IS ITS USED EITHER ON PRIMARY OR SECONDARY SIDE OF TRANSFORMER?
If 22 KV HT line, Current transformer is 25/5 then how to calculate multiplying factor.
lorteny method
75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?
what is the design factor that affects the size of a motor ?
what type circuit breaker is suitable for connecting 1000A load VCb,Mccb?
What descriptive information does the NEC require to be marked on all conductors?
what is the vvvf in the dumbwaiter?? or lift. what is the actual process?/
why we use 50hz frequency in india why not other frequencies like 52,59,42 etc
Is there any guideline say about display of earthing value near to earth pit
in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?
IN WHICH MODE THE TRANSFORMER WILL GET A MAXIMUM OUT PUT VOLTAGE. ASKED FOR POWER GRID EXAMINATION STAT-STAR,STAR-DELTA,DELTA-STAR,DELTA-DELTA
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