We have isolation transformer 25kvA & ONLINE UPS 15KvA (3PHASE I/P,3PHASE O/P)where isolation should have connect,before UPS or after please brief.

1 Answers   DRJ ARDE,

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What will be the full load current of 60KVA UPS. Suggest for this formula.

8 Answers   ABC, Sodexo,

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what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????

0 Answers  

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Is it alright to connect more than one RCCB of same rating in series for a three phase equipment?

3 Answers  

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What do you mean by phasors?

0 Answers  

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why dont we connect the two 12 V DC batteries in parallel, for an inverter (UPS)? is there any harm ?

6 Answers  

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How to work E.L.C.B and how to connect in circuit.

0 Answers  

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in dc shunt motor if armature wdg is open then

1 Answers  

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how to calculate cable size

1 Answers  

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i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?

0 Answers  

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why in a transformer frequency remains constant? if frequency is changing what will happen?

5 Answers  

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What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

0 Answers   XX,

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