what is reactive power and active power

4 Answers  

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what will happen if i connect the buchholz relay in reverse direction.

1 Answers   MAN,

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How do you maintain the earthing resistance?

13 Answers   Birla, Ford, JLL,

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mccb service sittings be done?

0 Answers  

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Anybody know how schematic diagram for reverse power relay? RPR for generator protection

0 Answers  

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How does one convert an AC motor into a generator?

6 Answers   Bhel, ZK,

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What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

0 Answers   ABB, Jindal,

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On a 6 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 42 AH). What Shall be the current rating of DC MCB ?

0 Answers   TNEB Tamil Nadu Electricity Board,

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What is the function of electron gun assembly used in crt?

0 Answers  

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how many typetesting of transformers?

8 Answers   ONGC,

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What is the different between buchholz relay and pressure relief device?

2 Answers  

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What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.

0 Answers  

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