Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.

0 Answers   ABB,

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Is a 300w induction motor used in a food processor as powerful as a 1000w DC motor.

0 Answers  

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If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?

0 Answers   REM Electromech Pvt Ltd,

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why we use star and delta connection?why we donot give the supply directly?

12 Answers   Hitech, Siemens, Tata Steel Limited,

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In 2500kva transformer how much is the withstand High voltage power frequency between primary to secondary and earth? And secondary to primary and earth?

1 Answers   Honeywell,

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what is the meaning of Ring Mean Unit in a substation or trasformer also tell me its oerpuse?

4 Answers   NPTC, NTPC,

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how to calculate cable size in diffrent loads?

0 Answers   ABB, Sterling,

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why t/f are rated in kva. is it conserned with p.f.

3 Answers  

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what are inherent currents?

0 Answers   Sail,

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what type questions asked in hp cl

0 Answers   HPCL,

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How many types oil using in transformer ? How many letars using in transformer..?

0 Answers   TATA,

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in 400 kv system why should trip both side CB when we give hand trip?

1 Answers   KPTCL, NHPC,

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