Why in medium voltage system(3.3kv to 33kv, neutral is earthed with either resistance, reactance or neutral grounding resistance?
4 10091IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace.
1 4083Does magnetomonopoles exists? one maxwell equation strongly suggests no, but how about their existance in plasma?
2003why our indian system choose the 230 volt for single phase&415 for 3-phase voltage,in forign side 110 volt is used what is the difference
4 20551what is the right method of laying cable tray if we are using EOT crane in shed, better is below or up
1 2604Post New Electrical Engineering Questions
Please explain me about Relay curves and their sources to read ?
if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?
What are the basic properties of signal flow graph?
How impulse levels are calculated that for 11kV impulse is 75kvp, for 24kV impulse is 125kvp ?
In AC if the direction of current keeps reversing every half cycle, how does it propogate through the transmission lines?
Why lose 1 phase voltage in 33kv to 415v stepdown transformer
WHY THE COLOR OF OUTDOOR TRANSFORMER IS BLUE ONLY???
HELLO SIR, IAM PREPARING HPCL EXAMS. SO PLS SEND MATERIAL OF HPCL ELECTRICAL ENG..TO VIJAY_8888@YMAIL.COM
how commomn gate triggering is given for TRIAC ? other thyristor wont be efffected?
which pump used in WTP explain the function of VFD how to dtermine capacitorbank of capacity one plant
what is the advantage of connecting capacitors in delta than in star?
If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer
How do u analyse protection fault when vcb tripping on load
stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate
what is counter poise conductors