Answer / k.prakashchandra

No effect on ammeter.In EM type Watt meter and energy meter
the readings reversed.In ETVM import and export interchange.

Answer / vels

one phase is reversed then the Energy meter will not give correct reading
but 3 phases are reversed then the current direction shown are wrong and the reading of MW ,MVAR are showing import instead of export

Answer / sureshkumar

incase protcetion CT not protective the equipment, so direction is must.

Answer / kj

It only has an effect where the direction of current flow
is important. For example monitoring import and export of
power.

what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.

0 Answers  

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How to increase the specific gravity of DG batteries?

3 Answers   SCS,

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how actually an anti pumping device works? what is the operational principal?

2 Answers  

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What is the difference between isolators and electrical circuit breakers?

0 Answers  

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how the specific fuel consumption of 320 kva deisel genarator set (explain with formulas please)?

2 Answers   RRB,

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what is the function of bearing in dc mchine" and where it is placed

0 Answers  

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What is the actual calculation for transformer short circuit test?.

0 Answers  

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name the famous power plants in ap and vwhere it is located with capacity details

1 Answers   BARC,

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Why we are going for converter transformers for DC drives application instead of distribution transformer?

0 Answers  

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What is dc current source?

0 Answers  

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if 40 watt bulb has higher resistance then a 100watt bulb then according to joul farmula p=I^2R the 40 watt bulb more power consume then 100 watt bulb.

5 Answers  

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please send previous exams question papers

0 Answers  

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