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I have a 33 KV sub stn with two mother transformers 33/11 KV of capacity 3150 and 1600 KVA respectively. The total connected load 16809 KVA(11/0.433KV).how i calculate the max current & how i decided the CMD.
2 3581What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?
2244eddy current losses depends on?(a-max magnetic feild,b-avg magnetic feild,c-on frequency,d-on square of frequency)?
Ecil,
3 5745For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel
Ecil,
3052Sparking occur when a load is switched off because the circuit has high – a.) Inductance b.) Capacitance c.) Resistance d.) None
Ecil,
3 13218can we start slipring motor on star delta like we start induction motor ? if yes where will we connect ?
2005VCB in closed position during opertion if vaccume break then what will happend? it has any protection ?
1 3837For Eg a 30 kw motor at full load how much kw it takes And at no load how much KW it will take?
GEPL,
1 3479For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?
GEPL,
2190Post New Electrical Engineering Questions
Single line digram for 11 kV to distribution use go,la and do
Which device is used for the source of emission of electrons in a crt?
How do we calculate transformer oil in liter from the rating of the transformer.
What is given by the definition in BIL IMP/PF = 950/395 kV. This was found in a name plate of a power transformer.
Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?
Can anyone provide with a SLD for HT panel installation for a 33KV line and distribution end has three 1.5MV transformers. Is it suitable to use OCB or VCB and also provide me the suitable rating and its connection diagram.
Why we use auxillary relay ? what is function of differential relay, directional o/c relay?
what is the use of Auto re-closer?
i have total 8 dg sets for synchronizing and 2 buscoupler,1 sectoin dg no 1,2,3,and 2 sectoin dg no 4,5,6,and last section dg no 7,8 ....if buscupler no 1 and 2 is off mode ..than dg no 1,2,3,will synchroniz of another dg sets?
CAN ANYBODY PLEASE TELL ME HOW TO DESIGN A SERIES REACTOR FOR LIMITING SHORT CIRCUIT FAULT CURRENT??
how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?
define the non synchoronism of synchoronous machine in general g or m??
in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)
What is difference between isolator and circuit breaker?
show the single line diagram of star delta starter with single phase preventer
