what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated
1509How the main bus bar rating of 400kV switchyard with one and half breaker scheme is calculated.
2 8497WHAT IS THE THUMB RULE FOR DECIDING THE CURRENT RATING OF COPPER WIRES SAY 2.5/4/6/10 MM SQUARE SIZES??
14 60501What is the thumb rule for calculating the P.F correction Capacitor?? Say for 100 hp motor how much micro farad Capacitor is needed .... Thumb rule so quick answer wanted
9 22607WHAT IS THE DIFFERENCE BETWEEN SHOP DRAWINGS/ DESIGN DRAWINGS AND AS BUILT DRAWINGS??
ACC, Al-Jaber, Dubai Group, ECEC,
2 29074we hav seen in electric engine of trains only 1 wired slidng conecctn is there frm ovrhead line,howevr to complete a ckt in dc postv n negtv two conection has to b there...so where is tht negative is been connectd or where it is grounded...?
ABB,
5 6503how to select short circuit current while selecting a MCCB? how to calculate current for a given KVA and KW load?
2 18300Post New Electrical Engineering Questions
difference between power surge and switching transient
What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?
In cable sizing calculation (determining the max route length of cable) why we choose the shortest length between cable length of full load current Iflc & starting current Istart?
In synchronization circuit what is the function of Interposing voltage transformer(IVT)and Reverse voltage transformer(RVT)
Please send 110 kv sb station full single line drawing(sld)
What are the necessary solutions needed to be carried out on a malfunctioned earthing mechanism of a VACUUM CIRCUIT BREAKER.(TAMCO)
is all the servo motors having brake?please specify which servo motors having brake for stop on position and which are not.
For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?
Do closed loop systems require manual input?
While converting delta into star or star into delta ,the three values of resistances remains unchanged .Find out the value?Let In star R1=x;r2=x;R3=x On converting into delta,R12=x;R23=x;R31=x Find the value of x
what is the voltage regulation for unity and zero power factor?
Explain cmrr?
Motor,transformers,capacitor tubelight etc....
USE OF 8 WAY PAN ASSEMBLY
How do you calculate the actual power consumption of an inductive load appliance. Say, a deep freezer of 200watts