Answer / sudhanva

If the angle between current phasor and voltage phasor becomes equal to zero then such circuits are called pure resistive and if that angle becomes equal to 90 , it is pure inductive and if the angle becomes -90 , it is pure capacitive. Here current phasor is taken as reference..

what is the main different between distribution transformer and power transformer ?

7 Answers   Sail,

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. Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

1 Answers  

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What is voltage ratio of a transformer?

0 Answers  

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in which direction real power and reactive power flow and why???????

3 Answers  

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How calculate the MTA in relay?

1 Answers   Unicharm,

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We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

4 Answers  

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OHMS LAW

9 Answers  

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2 Answers  

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How Many Safety of Transformer

2 Answers  

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What is the difference between Contactor and Circuit breaker ?

8 Answers  

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Why Alternator has 0.8 power factor?

2 Answers   Bhel,

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At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?

0 Answers  

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