what is the difference between rectifier and converter and commudator?

0 Answers  

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how many testing is necessary for 27 MVA transformer?

1 Answers  

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why vaccum circuit breakers are preferred over m.o.c.b

2 Answers  

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what is difference between KW,KVA,KVAR? also give me the formula for all the three...

3 Answers  

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What is the comparison between 30mA DP RCCB and 100mA DP RCCB and can replace it against 63A MCB

0 Answers  

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how to calculate earth fault relay current and CBCT ratio

0 Answers   ONGC,

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Why field rheostat is kept in minimum position?

0 Answers  

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hi this toufik here. i am doing my b.e.degree.now i am in final year and supposed to do a project in this year so i thinking to control the buchholz relay using software base means checking the status of transformer oil using microcontroler, plc or scada. so can i do so...??? alz suggest me...

2 Answers  

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what is maximum demand.

9 Answers   HP,

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whats is the role of power factor in designing a tariff structure?

1 Answers   IIT,

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During the main stator winding insulation testing (phase to ground)of 11kv alternator (Lerysomer) i found 0 and resistance with multimeter and found 20 killo ohm while the power cables are connected both end (Generator & VCB). In VCB PT (Potential transformer) are connected. Please any body explain that method of insulation is correct or not? also describe of PT connections

1 Answers   Private,

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Why back emf used for a dc motor? Highlight its significance.

0 Answers  

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