Can without battery on line UPS,off line UPS or Invertor works please brief.

5 Answers  

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Megar test tell sufficient resistant

1 Answers  

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what is there inside an inverter and how it works?

0 Answers  

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what is relay type VDG,CDG,VTT ect?

1 Answers   Bhel,

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A commercial Building is designed with 14th floor levels with indoor substation of three phase transformer with rated capacity of 1000 Kva.The transformer delivered 65% of its rated capacity at 0.67 power factor lagging.Because of low power factor, the power customer was penalized and certain cost was charged accordingly based on every point percentage lower than 85%.This situation may repeatedly happen on the succeding energy bills of power customer.The power customer is desired to improve its historical power factor of 0.67 lagging and no further penalty be impose by the local power company on the next bill. Q: Identify the appropriate solution you want to offer to Client?.Justify SCIENTIFICALLY and MATHEMATICALLY the principles behind the solution.

0 Answers  

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what is a DLC?[just dont reply its a Dual loop controller!] Plz do Explain the advantage of DLC over PLC?

3 Answers   Essae,

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what is the circutor?why we use it ?

0 Answers  

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Make a list observation on Transformer?

0 Answers   HSL,

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Alternating voltage and current is which type of quantities?

1 Answers  

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Application of statically induced emf

0 Answers  

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what is the size of ht cable of 33kv ht line and transformers ratings are 2.5mva and 5.5mva.please send formula also.

1 Answers  

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how can maintain the power factor and why and this is how do work tell us

0 Answers   Wipro,

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