what is ferranti effect?9 9248
what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated758
How earth resistance reduses by pouring water coal and salt?4 18543
what is the long transmission lines2 2285
transmisancy eficencey calculation formula1 1989
what is PI value and its significance for insulation testing?3 21338
How the main bus bar rating of 400kV switchyard with one and half breaker scheme is calculated.2 7112
What is stub protection is all about?1 4655
WHAT IS THE THUMB RULE FOR DECIDING THE CURRENT RATING OF COPPER WIRES SAY 2.5/4/6/10 MM SQUARE SIZES??14 52306
What 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 wanted9 15133
WHAT IS THE DIFFERENCE BETWEEN SHOP DRAWINGS/ DESIGN DRAWINGS AND AS BUILT DRAWINGS??2 25587
we 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...?
how to select short circuit current while selecting a MCCB? how to calculate current for a given KVA and KW load?2 15382
in a three pin socket y the pin of earthng is longer n bigger...?2 1621
howmany electrician should maintain for a 1000 kva used plant... in kerala..
How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?
how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test. why transformer rating in always in KVA ? what ispositive, negative, zero sequence impedence? How ElCB tripping if Neutral touch with ground Why AC & DC capacitor are use in UPS ? why motor rating in KW? how to syncronize two dg sets
is it possible to say motor horsepower number without seeing name plate(when name plate damaged)
Where burned of electricity,when,who, & why.
HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U
would the same effect be achieved by reversing the connection to one winding of the induction motor 3-phase?
Why have to use copper cable for local isolator to motor ?
please explain how to do 'pole drop test' on generator?
our factory is going under construction mean time transformer 1000 kva 2 nos &load break swithch 12 kv & 4 nos 750 kva 2 nos & 380 kva 2 nos generator to be errcted.how to arrange earth pits &how to earth connect & neutral pit how to calculate in earth bit size.
Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?
what is electrical machines
what is the ckt diagram of a tubelight and is it the simplest ckt of electrical engineering and also the component?
what is meant by poly phase induction motor ? how its operating by single phase or three phase?
1)What is a Triode? What are its uses? 2) What is a Triac? 3) What is a Thyristor?