What is meant by sotf,lbb,power swing,pole discrepency,auto
reclose?
sotf = switch on to fault ,lbb = local bus bar backup , pole
discrepancy = in 3 phase individually operated circuit
breaker ,all the three poles should close simultaneously
,otherwise there will be pole discrepancy .i.e, time lag
while closing .
Is This Answer Correct ? | 30 Yes | 6 No |
what is negative current?
what will happen when two dc motors are connected to each other and anyone of them rotated?
What is MS-EXCELL?
What do you mean by ACB and VCB?
For high frequency application we use which transformer?
in india single phase is 230v and three phase is 440v but in other countries single phase is 110v and three phase is 380v why..?
what is the name of transformer oil.
how capacitor buield up the voltage
where used of HVDS system.
How does the humidity affect in breakdown voltage of air?. Is the breakdown voltage increases with the humidity?
GIVE CONDITION FOR MAX EFFICIENCY OF 3-PH TRANSFORMER AND D.C MOTOR
why DC source is used to idetify the polarity of CT/PT?