we hav seen in electric engine of trains only 1 wired slidng conecctn is there frm ovrhead line,howevr to complete a ckt in dc postv n negtv two conection has to b there...so where is tht negative is been connectd or where it is grounded...?

5 Answers   ABB,

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tell me the various standerd of CT ratio

1 Answers   ICA,

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What is the function of neutral CT in transformer? Turn ratio of typical CT for 2MVA transformer ? or relation between full load current of transformer and neutral CT ?

1 Answers   Electrical Inspectorate,

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why does the magnetic balance tests at transformer?

0 Answers  

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How to synchronization will be done between two DGs ?

0 Answers  

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What is Procedure the procedure to select CT's & PT's in 66kV and above substation?

3 Answers   Infotech, Vijai Electricals,

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Iam deepthi.i completed my b.tech from electrical engineering.i want to prepare for civil services.i dont have much knowledge about these exams,but i have great zeal of cracking exams.plz provide me suggestions to which options i can select for optionals

7 Answers  

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what is active power and rective power and power factor

1 Answers  

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Define phase cross over?

0 Answers  

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What is gross error?

0 Answers  

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why cannot we use a freuency more than 400hz is used in aircrafts?

1 Answers  

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A 3 phase transformer's (Y-Y) Y and B phase is (Y and B connection not broken) broken from neutral and R and Nutral connection is ok, what will be the relay tripping and why

0 Answers  

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