Ratings of power transformer,Distribution transformer.

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why in a swquence network representation, the negetive sequence generated voltage is taken as zero?

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all the technical question with answers pleas send your email id ramar_eee@yahoo.com

0 Answers   RRB,

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witch pump used in wtp

0 Answers   Dalkia,

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what are the main problems that happen in an emergency light and how to fix them ?

2 Answers  

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What is difference between ct&pt transformers?

4 Answers   Adgas,

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What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)

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How we calculate airgap between phases & terminal box of the transformer? any formulae.

1 Answers  

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If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.

0 Answers   Usha Capacitors,

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What is the functaion of IGBT in UPS system?

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why the efficiency of generator is more than the motor in case of swinburne's test????

1 Answers  

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what is demagnetising effect & crossmagnetising effect and how it is related to electrical system?is there any more effects are available or only these two??

1 Answers   Telco,

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