How can we decide the fualt levels of sub-stations?

2 Answers   Bhel, Enercon, Prakash Industries,

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we can use airconditioner for cooling the winding of transformer ,if not why?

3 Answers  

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is any body explain me why return current in three phase power system is less then in a red, yellow, blue phases??? as we know Ir+Iy+Ib=In then why nutral wire has less then phase current????

2 Answers   Bhel, DRIEMS,

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Why does the Solid state Rectifiers for 3-ph brake motors sometimes have 2 & sometimes 3 output terminals?

0 Answers  

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we can stepdown the voltage from 230/12v ,and we use the voltage for various electronics components why can't we step up the voltage from 12/230v if we can shall we use the voltage for domestic single phase supply

5 Answers   Areva,

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By just seeing a transmission tower, how can we knew the voltage it carries..?[110kv, 220kv, 400kv...]???

5 Answers   KSEB,

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why the earth pin in a 3-pin socket is longer and thickest?

5 Answers  

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why inductancce of armature inductance of dc machines is neglected?

2 Answers   APPSC,

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What is mean by discrimination of circuit breaker ?

1 Answers  

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WHAT ARE THE DISADTAGES OF SINGLE-WIRE-EARTH-RETURN SYSTEM USED FOR RURAL ELECTRIFICATION?

0 Answers  

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what is the meaning of Dd0yn11

2 Answers  

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kindly send me 11KV MV motor differential protection procedure by primary injection method.

0 Answers  

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