What must be the distance between the Earth pit which are grounded from two different sources. Example: Distance between the earth pit for LV Panel-1 & 2

0 Answers  

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What current flows in the transformer primary when its secondary is open?

0 Answers  

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Why only mesh earthing is used in G.S.S.?

2 Answers  

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what is automatic voltage regulator and it is used?

2 Answers   HAL,

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what is the frequency of direct current(dc)?

12 Answers   Cognizant, University,

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how to select electrical equipment such as fuse,dg,transformer,motor,msb,wire,cable as per the connecting load..please mention any books to design,take licence

0 Answers   Gujarat Electricity Board,

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can any one help me out by posting something related to rvnl interview for site engineer electrical.? what is the procedure? what kinda question they ask us? how long the interview goes? and any tips? and any thing you want to share?

1 Answers   RVNL,

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what is the diff between mcb and vcb

3 Answers  

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how is the magnetic current test is different in delta-star and delta delta transformer.

0 Answers   Bhel,

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What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.

0 Answers  

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why 3 phase is preferred than 1 phase?

4 Answers   Infosys,

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What is difference between PLC and SCADA

13 Answers   Uflex, Vimal Fire Controls,

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