what will happen if the secondary of current transformer kept open....11 10802
when giving a supply to wounded coil it will get magnetised, but the same is not if it is not wounded on a core..and it is getiing short....why.......3 2594
Can anybody tell me how to calculate(formula) earth flat size(for copper and aluminium).3 4028
why surge suppressor in vaccum circuit breaker and it is only in motor feeder why not in tranformer feeder?no surge suppresor in ocb in motor feeder?
What is mean by INRUSH CURRENT?8 9906
What is the use of core in the transformer?19 36865
what maximum range of star & delta in hp or kw ?
why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?
On 400 amp factory load how kvarh capacitors provide
A 1F capacitor is charged to 100V initially. A 1H inductor is connected accros the capacitor througha a switch. The current in the circiut when the switch is closed is____
What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer
sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason
can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?
How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?
how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.
How do I calculate/select Droop CT ratio for various capacity of generators?
what is the difference between OSR and BUCHHOLZ relay of transformer?
can we use NPT glands in LT panel
what is Different between Bilinear and Unilenier?
i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result
sir please send me techinical questions for junior engineer posting in bangalore railway i am diploma holder