what is the difference betn earthed and unearthed cables which is commanly used why?

2 Answers   Bhel, Power Grid,

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if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

0 Answers  

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define B types and C types in MCB ?

3 Answers   Bhel,

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what is the differance beetwen installation and errection ?

1 Answers  

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How to calculate the cable size (XLPE)for suitable to 120KW load (if Motor or heaters etc)

4 Answers   SSC,

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what is ph test in coolent cheking

2 Answers  

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What information we need to prepare relay coordination chart

0 Answers  

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Sir, I m 3rd year student 4m DCE and want to do internship in siemens or l&t or any other mnc related to electrical engineering. please tell me the procedure 4 same and oblige me

0 Answers  

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what is servo motor and how to work it.

0 Answers  

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What would cause a 240v choke that should give 110v out on a 16w lamp to gradually increase to 160v?

0 Answers  

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diff between UPS and inverter?

2 Answers  

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why neutral wire don't shock?

9 Answers  

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