I Just want do EHS Certified Certification Distance Course From Govt approved,so can any body provide me details.

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how to set relay setting? and example calculation...

0 Answers   JSW,

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Dear Sir how much cable size required from 0.75 kw to 50 kw for electric motor or pump

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what is rated current and operating current?

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An alternator is started without excitation then how much voltage it will produced at strating at full rpm??

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i HP = ?? 746 watts or 735.5 and how??

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1. how much normal earth resistance in earth pits(neutral and body earth) and transformer neutral and body earth & panel earth.

12 Answers   HP, Malladi Drugs and Pharmaceuticals, Pearl Engineering, PL,

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can we charge 3 ph power transformer delta-star wound with neutral grounded 6.6kV/415V from secondary side(415V) but with primary(6.6kV) open by dg,what are the disadvantages or losses.

1 Answers  

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Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

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In ac which gas will be use?

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what is differnce between grounding and earthing or both are same?

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Why do we require transformer with less specific weight if supply frequency is increased?

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