how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

0 Answers  

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why transmission is only 3 phase and not 2 or 4 or poly phases

0 Answers   Infosys,

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what is the basic principle of TV camera?

0 Answers   BZU,

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exact definition of reactive power in power system

2 Answers   Sreetech,

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Why is it not possible to operate a star-delta transformer in parallel with delta-delta transformer?

1 Answers  

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Why the size of transformer decreases if we increases the frequency?

5 Answers   Graphics Engineering,

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Why collecting electrode of ESP to be earthed

0 Answers   NBVL,

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which is more dangerous AC\DC supply

3 Answers  

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my diploma certificate in my higher education college

0 Answers   Aastha Spintex,

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0 Answers  

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what is meant by trip circuit supervision & directional or non directional over current ?

1 Answers   ABB,

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voltmeter kya hota hy ?

2 Answers  

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