how much battery need for 2kv online ups for 2hr backup

3 Answers   Eaton, Emerson,

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What are the rating wise protections required for Generators from 600KVA to 2000KVA

3 Answers  

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what is the MF if CT ratio is 500/5 and in meter specification is 3.75 REVS/KWH? Thanks and Regards Selvendran.N

1 Answers  

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what are the energy savings methods that are existing in coal based power plant?

1 Answers  

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what is ups?how its works?and what is there in static switch how it works?

2 Answers   Bhel,

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21. What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing? 22. What are the protections to be used for Generator? 23. Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0 24. What happens when the polarity changes in CT? Explain briefly? 25. Explain the Term in CT Name Plate – Class: 5P10

3 Answers  

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can we start slipring motor on star delta like we start induction motor ? if yes where will we connect ?

0 Answers   NovaTech,

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transformer core are laminated for what purpose?

9 Answers   NTPC,

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in 5 mva transformer 33/11 kv s/s what rating of capacitor bank is required & what is the fourmula for rating

6 Answers  

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Which types of Gases occure when mineral oil burnt

1 Answers  

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The undesirable property of an electrical insulating material is

3 Answers  

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What is meant by (2 x 185) AYFY cable

3 Answers   ONGC,

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