Answer / sumit garg

the control should be taken from the R-Phase because for R-
Phase the Phase is zero with the current.
and for the y and B phase the phase diff reach to 120 and
240.

Answer / ramesh

for most ofthe electronic control pannel the R phase is
controled if it changes thr plorrty will chang it asked to
use in the india to identyfi the product

what is efficient load of transformer in percentage

4 Answers  

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In DC motor,the field MMF is given by NI.N-no.of field winding turns,I-excitation and both are constant.Then how could the main flux decreases due to armature reaction.

4 Answers   Bhel, IBM,

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What are the weight of 800KV DA,DB and DC type tower ?

0 Answers   L&T,

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how can electricity is produced without water

6 Answers   Bescom,

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What is servo motor and what are different types of servo motor

0 Answers   BARC, Vipul,

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difference between silent and non silent pole rotor?

3 Answers  

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why transformer rating comes in kva?

4 Answers   HNG, Tech Mahindra,

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How does HT work & Voltage required?

0 Answers   Adhunik,

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I have a 600VA numeriv digital UPS for computer only. It holds for 15 minutes only. but i am try to using home CFL Light I cant using UPS 2 or 3 secound automatic off .but computer ok how to change this is in to ups ?

1 Answers  

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insulators advantage in transformer yard?

1 Answers  

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what is the difference between indoor & Out door substations

5 Answers   HSBC,

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What is the accepted limit to increase the choosen transformer capacity over the load and why ?

2 Answers   Asec,

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