Answer / mn madhusudhan

The angle can easily calculated by knowing / measuring the
percentage tapping used on the phase windings.

why can't we provide dc supply to a transformer?

2 Answers  

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What is the output voltage of a DG set.

3 Answers   Fitness First,

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draw the full wave and half wave circuit of 3 phase system and inverter circuit used in ups 

0 Answers  

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We all have seen transmission and Distribution lines In transmission lines the voltage is high and current is low(to reduce I^2r loss) and in distribution lines voltage is low but current is high however the size of transmission wires is bigger than that of distribution wires even though the amount of current carried by the distribution lines is more than that of transmission lines why?

4 Answers  

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why transformer measures in kva

4 Answers  

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If the maximum demand is 120 KVA in a building, then what is the Current taken according to load given ? Formula for it ?

3 Answers  

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What is the permissible maximum flux density in transformer core?

0 Answers  

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Compare jfet’s and mosfet’s.

0 Answers  

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what is the difference b/w earthing and grounding??

2 Answers   Dodsal,

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Operation of isolators.

0 Answers   KSEB, L&T, Siemens,

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why neutral grounding transformer is used for generator and why it is not used for transformers?

1 Answers   UPCL,

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why indicated sypply only by 440V in 3-phase system.

2 Answers  

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