Please Help Members By Posting Answers For Below Questions
what is harmonics?
what are the factors it will depend upon
why Lightning arrestor are made by 2 seperate stack of
inslutor but why cvt are in single stack of insulator.
What is the difference between acs 550 & acs 850
i m electrical engineer.can i get cdr for electrical
engineer if u have then send me on my mail id its
email@example.com help me frds
Dear sir, In our plant have Station Transformer having
capacity,i want to know, why LV side 40 - 40MVA is given?
& how we can get 6.3 KV supply from tertiary(i.e. Open
delta connection), Vector Group YNyn0 - yn0 +d
MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420
(Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV
why starting current is high and resistance is almost 0 during the starting of motor dc motor...?
from which subjects most of the technical que will b asked
for hpcl(electrical).pls help me
66kv under ground cable how to layaing in ground any special
case two ckt r runing
HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF
TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA
How can we increase fuel-power ratio of any DG set?
Explain the operation principle, advantages and
disadvantages of the following converters:
a) A 12 pulse converter
b) A Switch-mode inverter
c) A thyristor inverter
WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN
M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN
WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN
WE ARE STARTED MOTOR WILL RUN SMOOTHLY.
why voltage form factor of PT are increase , when it is
ecpected heigher spikes in system. how it is calculated.
i am an maintenance engineer. one distribution board have 5
feeder. recently its ELR trips frequently, but it take some
times after trip( 10min,20min..)but 3 feeder no load. two
feeder only loaded. i checked one feeder IR value all values
are above 50Mohm.but B phase to Earth is only 9Mohm.any
problem about low value
How will you utilise electrical power? You can start from
the generating station.