what is the working principle of UPS?

2 Answers  

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Dear Friends, Need your help for connecting APFC panel, Quotation : I have 2 No’s 1000 KVA Transformers, both transformers are having separate APFC panels, ( Tr-1,400KVAR, TR-2,450 KVAR) Now I want to stop One transformer, present load is 650Amps, Max, So One transformer is enough, I have switched OFF TR-1, but PF is not maintaining properly, its 0.5, So now I want to connect TR-2 APFC also in TR-1 Loads, Can any one answer for my Quotation with drawing, how to connect TR-2 APFC panel in TR-1 Loads,

4 Answers   L&T,

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In a parallel circuit dc circuit with two resistors, if you know the voltage, amperage, and one resistors ohms, what formula is used to find the second resistors ohms?

6 Answers  

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What is the speed of electrical supply?

3 Answers  

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one split ac how can told of this ac which Tr tell me us

0 Answers   Wipro,

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Why are the laminations insulated from each other?

0 Answers  

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What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?

0 Answers  

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what will be the effect if you were using different brands of outlets?

0 Answers   TESDA,

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Difference between a pilot wire and a normal conductor?

0 Answers   United Arab Aluminum Company,

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which pump is suitable for home use ?

3 Answers  

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What are the advantages and disadvantages of the dc motors?

0 Answers  

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can you check the current and voltage of a 12 V battery by a digital multimeter in this fashion that apply the digital multimeter across the battery terminals directly ? say yes or no ... i sais yes ........... is this true or false ? plzz tell me and also explain ........ plzz thanks

4 Answers  

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