Answer / iamdon

Vector group arises due to relative diference between
primary and secondary windings of the transformer.Since
each of such windings has some advantage over other so we
use all of them in particular apppliction.

Answer / k.prakashchandra

They are required for phase shifting or matching wherever
required, especially for measurements in electronic relays
and meters

in 132kv substation CRT means

0 Answers  

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why the colour of insultor stack , petticoat is brown. Is it has some technical reason.

0 Answers  

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How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f normally used in Canada is to be operated in Europe on 50 hz frequency then how will its KVA rating change? a-increase b-decrease c-remains same

1 Answers  

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What are the basic elements used for modeling mechanical translational system?

0 Answers  

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What are the raitings of Mcb,mccb and Acb in detail ??

0 Answers   Engineering Vision,

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How much KVAr bank reqired for 630 KVA transformer on full load for maintain power factor upto.99

4 Answers   Dhanalakshmi Industries, DLF,

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Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

0 Answers   Siemens,

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Can we operate a DG Set in paralell with Transformer ?

6 Answers   NDDB, Sobha Developers,

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How to check AC & DC Choke

1 Answers  

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state basic meaning of 'INDUSTIAL AUTOMATION'?

0 Answers  

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How we can design a cable for a 3phase load.

1 Answers  

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in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?

0 Answers  

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