I HAVE 2 nO'S OF SYSTEMS, HOW MUCH UPS CAPACITY REQUIRED ALONG WITH 400WATTS ANOTHER LOAD? PLEASE GIVE THE FORMULA?

1 Answers  

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What are the different protection systems takes place on control panel board?

7 Answers   BSNL,

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We have one 500KVA transformer. We have tested REF relay and commissioned. After one and half year, due to some ground fault in one of the DB circuit Transformer tripped by REF relay. What will be cause and remedy. Please advise?

1 Answers  

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What is meant by Active and reactive power?

23 Answers   College School Exams Tests, Schneider, Torrent Power,

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what is international rules of electrical?

5 Answers   Essar,

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what is meaning of bus riser

0 Answers   TeamLease,

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what mean by machin

5 Answers  

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I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

0 Answers  

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what is relay

15 Answers   HPCL, IOCL,

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Can anyone explain me about the RLC based Impulse high voltage generator and how to and operation of Series resonant High voltage reactor...?

0 Answers  

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What about Reactive power.and role of that one?

7 Answers  

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what is the use of breather in transformer?

4 Answers  

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