In a 3 phase system a neutral exists so that any unbalanced currents can flow through it towards earth.... but a phase demands a particular current as per the load attached to it....then where does the extra current come from the goes in the neutral??....I mean in an unbalanced system a phase demands a current as per its load attached....then where does the unbalanced current come from??

1 Answers  

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what is reactive power?, why its measured in VA ? is it transient behavior of system?

0 Answers  

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how much current a 100 sq mm busbar will carry?

1 Answers   ABB,

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WHY IS RESTRICTED EARTH FUALT PROTECTION NEEDED?? WHY CANT DEIFFERENTIAL PROTECTION SUFFICE???

14 Answers  

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What is difference between Sample test and Routine test in safety standard?

0 Answers   Chicony Electronics,

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State the difference between Three winding transformers and Two winding transformers ? where its used?

8 Answers  

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How Can we calculate the rating of a cable?Show the formula?

2 Answers   Jindal,

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List the materials required for Pipe Earthing.

2 Answers  

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Define the overload capacity of the motor?

0 Answers  

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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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why we use 50hz frequency in india why not other frequencies like 52,59,42 etc

5 Answers   INTC,

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Why neutral shows voltage with earth ?

2 Answers   MRF,

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