| Other Electrical Engineering Interview Questions |
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|assume we are put both df/dt and vector surge relay in
same bus the df/dt relay setting is +5 hz an -5HZ. we want
operat the vector surge relay before the df/dt how i
calculate the setting of the vector surge relay.
|if we want to convert the two 12 V DC batteries in parallel
for UPS ? what would be the result ?
which is better for a UPS , connect two batteries in series
or connect them in parallel ?
|why ups in kva ratings?
|where does the unbalanced current flow in the delta circuit
|one KVAR takes how much amps, and how to add power capacitors
to electrical panels, for example if one of the MCC drawn
800amps means how much KVAR required
|WHAT IS DIFFERENCEN BETWEEN CURRENT AND VOLTAGE?
|How to calculat size of copper & aluminium ?
|what should be the no load current of an induction motor
|WHAT IS THE DIFFRENCE BETWEEN EARTHED AND UNEARTHED CABLE
|how can we change the phase angle b/w two phase?
|If a fan get trip and run in reverse direction due to
system flow. Now in this condition during starting how can
a VFD bring this negative speed to zero and later run in
|How to calculate transformer capacity requirement for a
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