Answer / pratap choudary

It affects metering only... Power factor will be indicated in leading...

Answer / k.prakashchandra

All the meters and relays with both voltage and current
inputs will function in the opposite directions

Answer / karan

if CT use as a protection then relay Operate for reason
revers current and another case CT use as metering then
meter slowly moving

Answer / munish

if changes CT polarity than current flow in reverse
direction & it trip the circuit without any fault.

to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power

0 Answers  

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what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?

0 Answers   Toshiba,

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How single phase & 3 phase motor select rotating direction ie clockwise/anticlockwise

6 Answers   DRJ ARDE,

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What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.

0 Answers  

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What do you mean by ACB and VCB?

3 Answers   L&T,

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how to calculate the breaking capacity of different breakers.

0 Answers   UltraTech,

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working

1 Answers  

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what is allowable ac mixing in dc

0 Answers   Reliance,

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What is the Maximum Power generation capacity of a Synchronus Machine ??

1 Answers  

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how a.c. genarator control power factor when its conected to grid supply by incrising or decresing excitation voltage.

1 Answers  

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what is power

6 Answers   ABB,

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What is transient Phenomenon?

0 Answers  

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