There is 15 KVA UPS using for single phase load.And 30 batteries of 12 V, 100 Ah are connected in series. Load is taking 15 A current.What will be the back up power for this UPS on same load?

1 Answers   BS, Dynamic Software,

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what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?

0 Answers   Toshiba,

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Genreally distribution transformers are having Star/delta connections to provide phase and neutral to the consumers. Is the neutral of the star conncted secondary grounded in these transformers?

1 Answers  

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EXPLAIN THE TERMS "INTEREST AND DEPRECIATION" AS APPLIED TO ECONOMICS OF POWER GENERATION.

0 Answers  

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Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

0 Answers  

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What is the minimum distance to be maintained in between HT panel and LT panel and Instrument panel as per IEC and NEC standards?

0 Answers  

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Why the generating station rating is in KW though the rating of generators in KVA?

8 Answers   HAL,

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what is the reason for earthing static equipments? why?

3 Answers  

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Explain the advantages of the wheatstone bridge method of measuring resistance?

7 Answers  

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HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?

0 Answers  

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we can stepdown the voltage from 230/12v ,and we use the voltage for various electronics components why can't we step up the voltage from 12/230v if we can shall we use the voltage for domestic single phase supply

5 Answers   Areva,

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What is the difference between neutral and ground?

3 Answers   Cethar Limited, Torrent Power,

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