Synchrounous motor is three phase motor,but its not self starting .why?22 46604
Clearly Define Active,Reactive,Apparant power.Which applications used which power above metioned power?9 20229
what are the basic concept to design a out door Substation?1 6366
Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter possible?is there any calculation ?4 16492
how to use single phase supply for a three phase equipement.12 16083
specific gravity of a battery?6 11396
In Ferranti effect,Receiving end voltage is greater than sending voltage,why? can anybody tell me the answer15 43914
how to calculate no. of earthing pits and their diamensions? no. of lightning arrester rods which are required to protect a building of 35 mtr and we calculate?5 25158
11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?24 28730
Why do we pefer VCB over OCB?What are the advantages of VCB over OCB?
i am completed diploma in ece,and working in ht and lt lines.so is elligible diploma in ece for get electrical C Licence?plse give ur opinion?
what happen if drive input fail momentry at 48.5 HZ frequency?
Why PT voltages are measured with respect to ground? What do u mean by voltage or current polarized.
why most of junction box vendors providing T5/T6 Temp class jb's for T3 area any special reason?
Difference between ac parallel circuit and ac series circuit?
how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment
(In MEP services) HVAC in AC Plant room what else can we provide if the chiller is not considered?
tan delta equation test on alternators
The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?
use of choke in APFC panels
what happens if dc supply is given and the remedies for it.
how does a submersible pump work..?
how to identify conection leads of an unknown electric motor
can we synchronize star system generators with delta system transmission line ? and how ?