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 double delta conection in AC Motor? And can we done the double RPM of the motor by double delta conection?

1 Answers   vguard,

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Why the motor was take the starting current is high?

3 Answers  

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please explain power factor in simple words.....

3 Answers  

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Its possible to use 3core 2R of 240 sq.mm cable for 3phases & separely 50sq.mm 3core cable fully for Neutral for connection of PCC to MCC 3ph..4wire system?

0 Answers  

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How to solve the problem of low voltage at consumer end in distribution system if one phase come low voltage of transformer

1 Answers   ABB,

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why in scott connection of transformers, main transformer is tapped at 50% and teaser transformer at 86.6%?

5 Answers   Bhel, Bosch, College School Exams Tests, Wipro,

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What is x/r ratio?

1 Answers  

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The earth pin of some three pin plugs are seen split. why?

1 Answers  

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what is working parincipal of a ht transformer

0 Answers   Pidilite,

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sir i am ece engineer.i want to job in power plant.what is the best option for me as electrical engineer or instrumentation engineer?pls reply me.

1 Answers  

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can any one list the class-a, class-b & class-c trips of power generator?

3 Answers  

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What are electric motors?

0 Answers  

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