Why in medium voltage system(3.3kv to 33kv, neutral is earthed with either resistance, reactance or neutral grounding resistance?
4 8911IF 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 3464Does magnetomonopoles exists? one maxwell equation strongly suggests no, but how about their existance in plasma?
1544why 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 19272what is the right method of laying cable tray if we are using EOT crane in shed, better is below or up
1 2071Post New Electrical Engineering Questions
Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,
why do we need to use 3c+3e cable, normally i select only 3c+e cable and i think it is enough. pls explain the usefull of 3e cable ( in this project the earthing system is well done)
What are your future plans for the company if permanently employed?
I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?
if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?
what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator
what is the concept of directional power?
need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.
What is conventional thermal current (Ith)
Why hydropower stations are preferred solution for meeting peak loads in grids?
Transformer diagram mention each parts ?
Advantage of LT panel vs HT panel
plz send me the procedure and syllabus for mseb exam
How npn and pnp transistor works
in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks
