Should transformer earthing pit, to be connect to earthing mat in Substation

4 Answers  

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In separetly excited m/c,we excite the field by a dc source,what not with ac source?

2 Answers  

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WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR

0 Answers   GE,

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what is the material use in bus bar & why.

3 Answers  

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How can we connect additional batteries to three phase ups? What are parameters we have to check when connecting?

0 Answers  

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how to find diesel consumption of 600kva DG per hours????

1 Answers  

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where reactive power is used

0 Answers  

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What are the disadvantges of leading power factor

5 Answers  

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in transformer which grade oil will use?

3 Answers  

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IN star -delta motors normally first operated in star mode {absulated given (r-y-b) phases after one miute change in delta mode in this case i am change phase sequience for example R -PHASE TO CHANGE Y-PHASE ;Y-PHASE TO CHANGE R-PHASE SO THIS TIME MOTOR WILL HAPPEN RUNNIG MODE EIGHTER(OR) STOP MODE(TRIP MODE)

6 Answers   MacLellan,

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what is the working principle of DC generator ?

10 Answers   DRDL, HCL,

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WHAT INSTRUMENT IS USED TO MEASURE THE MAGNETIC FLUX?

7 Answers  

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