how much distance is required for earth pit to earth pit in substation???

3 Answers   Divis Laboratories,

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what are the duties of commutator in motor and generator?

6 Answers   L&T,

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If the characteristic Impedance is equal to load Impedance then…… a) voltage will be increased b) power transmission is zero c) …… d) max. power is transmission to load

2 Answers  

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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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what is impedence voltage

1 Answers   Thermax,

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why the neutral point is zero in star connection?

4 Answers  

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line diagram for mcb , mccb , rccb .

1 Answers  

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what is the use of conservator in a transformer?

6 Answers   L&T, TATA, Tata Motors,

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substation+ plc system

0 Answers  

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Why the ceiling fan has three blades, why not two,four or five?

4 Answers  

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what type of protection used below 132KV feeders

11 Answers   APTransco, Telecommunications, wbsedcl,

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If the maximum demand is 120 KVA in a building, then what is the Current taken according to load given ? Formula for it ?

3 Answers  

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