UPS battery Back time = no.of Batteries * Ah of the Battery / output KVA * 130 ? what is the 130 means ? can any one help? because all are using this formula how its came 130?
2 6033what happens when reactive power increases ? does the reactive power loss increase or decrease ?
2 6693In brushless excitation system how generator field current is measure even if the slip rings are absent?
3 9014if a single phase 3 hp submersible pump of Crompton Greaves is moving in reverse direction and sometimes it moves in rigth direction ,then what may be the cause....
2 7936Post New Electrical Engineering Questions
hi friends this is a newcomer in your community of enthusiastic peoples. i am preparing for SSC (CPWD JUNIOE ENGG EXAM FOR ELECTRICAL) pls guide me on the same how to crack it? PLS LET ME KNOW IS ANYONE THERE WHO PASED IT? CAN I GET THE QUESTION PAPERS OF PREVIOUS EXAMINATIONS?
what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:
sir iam from electrical and electronics branch ,can i appear for the hpcl offline requirtment? if yes please mail me on vikram_raju25@yahoo.co.in
What do you mean by Stimulastion Test in Diesel Genarator / Why & when it's conducted ?
what is mean by transition resistance of transformer?
what is the differencce inn series and cascade connection??
hello if any one have papers vof hpcl or sail, plz send me
what is a reactive power? what is the relation with power factor?
. How to calculate the Short Circuit Impedance in Transformer? How to calculate the Short Circuit Impedance in Transformer?
A double circuit with dog conductor 66KV Transmission line from wind farm evacuation to feeding substation having capacity of 25MW for transmission. Can same transmission network be considered for further expansion of Power & how much in MW. If we need to expand next 10-15 MW more will there any augmentation is required in transmission network? Kindly reply asap.
all interview questions with answers of ntpc (2000-2009
what is JE exam?
please explain to me how to calculate current,voltage,resistance with formula??
limitation of conductor height on ground when we consider EMC
how many electricity poles are there and what are the names and their sizes.