Answer / s.jayan

There are two by-pass systems, One is Static By-pass and
another one is Manual By-Pass. Static By-Pass works
automatically and Manual By-Pass operates only manualy.

Answer / asif

yes we have just 2 bypass auto and mannual when we use the
word ups it means auto matically but when we use dc charger
we can oprate mannually

Answer / shiv

There are two systems bypass one is auto and next is
manually.Which work the auto systems operate the self main
ups and manually not operate the non self so that any
costumer supporting the help.

Answer / muchha mondal

in online ups system has two bypass one is static bypass which is work automatically when inverter off or any fault in inverter ckt the load is transfer to static bypass without interrupted, and anather is manual or maintanance bypass.the maintanance bypass use only for maintanance purpase it should be always off when ups working normal condition.

How frequency meter measuring frequency? What is the principle of frequency meter?

2 Answers  

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sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

0 Answers  

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hi, in the event earth grounding is not available in a project, is there any other way to make the elcb work? fyi, i have an instant water heater (6.5kw) installed, however if there is grounding in the heating element inside the heater assembly, i will get grounded. thank you in advance to those who will answer my question.

0 Answers  

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why electrical power has benn needed for speed controller of woodward governor control for biomas power plant

1 Answers  

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WHAT IS MEANT BY SHEATH VOLTAGE IN 132Kv cable?

0 Answers   L&T,

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what is meant by 3rd hormonics ?

0 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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How many earthing pits are requier to disapper the surge current of one lighting arrester.

3 Answers  

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what is the powerfactor

5 Answers   GVK,

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how ups works ? various parts of ups and working principle

0 Answers   Serco,

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What are the insulation standerds for eg H clase and how many insulation standerds are there and its standerds??????

0 Answers  

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What is the ladder circuit?

1 Answers   Mitharg Information Systems,

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