what are the differences between MCB and MCCB ?

19 Answers   Bhel, DLF, Omax,

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why transformer neutrol is grounding

6 Answers  

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diffrence between windings of high tension side and low tension side of transformer

1 Answers  

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what is MC 61 relay

2 Answers  

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Diagram and details of polarity test for Current Transformer 11kv 400/200/100/1A

0 Answers   Hiranandani,

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hi friend i am going too attend for hpcl in this month please help me by sending written test question papers i am in the stream of E.E.E

0 Answers   HPCL,

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what is Over current, earth fault (O/C+E/F) ?

2 Answers  

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Why r used of cable 50sq.mm and above size cable in 3.5 core. And below size in 4 core ? any technical reason please explain it

2 Answers  

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when the direction of a 3phase induction motor is reversed , is there any losses increases?

5 Answers   IOCL,

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why the substation require din electrical system?

1 Answers  

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Why current transformer is earthed??

2 Answers  

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what is spill current?

4 Answers   Adani, NPCIL,

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