Answer / abhishek

it may be a single phase preventer.

Answer / gunasekaran

for small motor thermal OLR will operate .
for big motor negative sequnce will operate

Answer / lorp sophan

phase preventer

Answer / thowsif_emerson_csm team

For Which Electrical M/C????

Answer / kks

Core balance current transformer ( cbct)

Answer / arun

negative sequence relay...

what is the breakdown voltage value in BDV test in transformers?

6 Answers   Siva, TATA,

For 415v,3phase,22kw rating of motor how to calculate MCCB rating

2 Answers   Zigma Technologies,

How to set an overload in a motor?

3 Answers  

A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.

0 Answers   VECL,

what is through fault?

0 Answers   KSEB,

what is inrush current in transformer?

17 Answers   Bhel, Essar, GMR,

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.

0 Answers   NCC,

how does an energy meter works?

4 Answers  

For my plant the electricity department charging some amount for t/f losses. May i know what are transformer losses

1 Answers   L&T,

How to find HT side and LT side(of a transformer),with the help of a voltmeter?

1 Answers   Odisha Power Generation Corporation OPGC,

why neutral busbar size is SAME of the phase busbar size UPTO 200A IN LT PANELS

1 Answers   IBS,

Why a single-phase induction motor not an inherently self-starting machine?

11 Answers   ETC, Hindustan Shipyard,