working function importance of mdc meter

2162

What is the formula to calculate distribution transformer De-rating on iron losses basis

1842

sir please send me techinical questions for junior engineer posting in bangalore railway i am diploma holder

2097

What is resolution of a measurement?

1204

I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR "BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.

2119

Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

2103

What is the difference between earth fault protection of motor feeder with CBCT and Without CBCT ?

2927

why should the lowest unit of a testing transformer ( cascaded transformer ) have higher power rating??

2296

Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

1941

kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased

2657

I am using submission of two ct in one and half scheme for 67/67N protection. Both CTs star point is grounded separately near ct box.Will two point ground give wrong tripping to 67/67N during fault or no matter.

2109

how to size H.T & L.T Panel ?

2131

HOW TO CALCULATE THE VT SIZING?

3142

Why PS class CT is always preferred for Differential protection?

1601

what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?

1913