why do we use 3 single phase instead of one 3 phase?? though vee connection is its advantage but what is the hidden reason behind it??

2 Answers  

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motor work in hat principle generator work in what principle transformer work in what principle pls explain with details or answered to ramadoss.sepc@gmail.com

1 Answers   Vestas,

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Is there any specialised book to refer about fault level calculation both in MV and LV side??

0 Answers  

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in electrical fire which group fier Extinguisher as used

6 Answers  

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I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME

0 Answers  

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what is the diff between VCB & ABCB breaker in substaions? explain the operating priciples of VCB & ABCB

1 Answers  

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How can i check a relay good or not?

2 Answers  

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sir please send me techinical questions for junior engineer posting in bangalore railway i am diploma holder

0 Answers   RRB,

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In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

0 Answers  

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Which circuit breaker arc quenching time is low AC or DC breaker?

1 Answers   Deltech,

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1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to reconfirm its base capacity.

0 Answers  

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what is the difference between 5P20 class CT , PS Class CT and 5P10 class CT??

5 Answers  

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