Answer / varadharajan

it has two tapping(1s1-1s2-1s3). primary current of first tapping is 200A,second tap 400A, secondary current is 1A

Answer / satya

Here CT Primarary current rating is 400-200 and Secondary rating 1 Amp

star delta connection used in reduce the starting current at 3 times . how its reduce the current please explian .

7 Answers   HP,

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Can a transformer designed for a particular voltage and frequency rating be used for different set of mentioned ratings? Assume that the winding does not get burnt because of overheating at higher voltage. If yes, then under which constraint it is possible?

1 Answers  

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on what priciple transformer works on?

5 Answers  

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what modulation is used in landline telephone signals?

2 Answers  

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what is the difference in using the 125% and the 250% factor of safety in calculating circuit breakers capacity for motors,which is more reliable to use the 125% or 250%??

1 Answers  

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What are the complete specifications of a motor?.

2 Answers   RRB,

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Weather power factor correction needed for synchronous motors?

1 Answers  

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Is there any problem if i connect APFC panel in generator circuit

2 Answers  

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why Line voltage =1.732XPhase voltage what mean by 1.732

4 Answers   IBM, NCC,

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What is the function of induction motor when low voltage is apply.

6 Answers  

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How many power required for 1.5 to Airconditioner?

1 Answers   College School Exams Tests,

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what is deferens between HT&LT DG

2 Answers  

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