Answer / sree

Voltage regulation is given by an expression (no load voltage- full load voltage)/no load voltage

Answer / dinesh

trsnsformation ratio: k=e2/e1,n2/n1,i1/i2

what is d main difference between KVA and KWA

2 Answers   Charoen Pokphand,

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To determine the Healthiness of Insulation we will be performing Dielectric tests i.e Insulation Resistance test, Partial Discharge test,Switching Impulse, Lightning impulse, Tan Delta test ...etc why we required to perform this many test, why cant we do only one test. for Transformer, CT's

1 Answers  

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an ac induction motor gets overheated when operated at a low frequency of 25 hz a instead of 50 hz. reason?

1 Answers  

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers  

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what is means of ALF,kPV(min),lexc(max)at Vk,Rct@75 degree centrigate ohm in current transformer name plate?

2 Answers  

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Why does amplifier gain reduce?

0 Answers  

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How to Make relay co ordination chart for a Electrical power distribution of a plant

0 Answers  

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.if the vector group of two transformers is not same n tey r connected in parallel operation then what will happen?

2 Answers   ABB,

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What is the diffrence between PL Lamps and CFL Lamps

5 Answers  

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how can i improve the power factor in domestic (230v)

0 Answers   Epcos,

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Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

0 Answers  

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What is Torque Vector Control in VVVF Drives?

6 Answers   PEL, Schneider,

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