Answer / guest

over current-a)instantaneous, idld,thermal earth fault,
under votage.

Answer / romeo

in addition, differential relays for current and voltage
are necessities also to monitor considerable leakage of
current and difference in voltage (in case of two leg
switchgear for a make and break design) to a magnitude that
will activate tripping action or prevent closing of the bus
tie.

one kva is equal to how much amps?

14 Answers  

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Why neutral shows voltage with earth ?

2 Answers   MRF,

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FOR 3 PHASE DISTRIBUTION,WHY WE USE ONLY THE VOLTAGE LEVEL OF 440 VOLTS

1 Answers   AITM,

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What is the formula for calculating Transformer Losses & Efficiency. I want to compare the Transformer efficiency at different loading condition.

6 Answers   Rays Power Experts, Techser,

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1amps current equal to howmany electrons to be flowed?

1 Answers  

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Procedure for conduting vector group test on power transformers.why it is conducted?

6 Answers   Grasim,

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for 4 MVA , 33K.V/6.6K.V transformer. secondary side the connected load is 3000H.P. What is the rating of capacitor bank to be insttaled.

0 Answers   SCCL,

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Distinguish between nuclear power station with thermal power station for initial cost, starting period, cleanliness, and transportation of fuel

0 Answers   IOCL,

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in a dc motor we supply current only to the armature conductors,from where is the field winding gets excited then??

3 Answers   RRB, Siemens,

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There are 2 motors without name plate and terminal but one is DC motor and another is induction motor.How one can identify which one is DC and which one is AC motor?

6 Answers  

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How many VSC based HVDC are there in India and the world

0 Answers  

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why we are using2 wave trap in a feeder?

1 Answers  

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