rating of ups??

1 Answers  

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Is a current transformer step up or step down ?

2 Answers  

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how the arcing is made in ac electric arc furnace? ( between the three electrodes in any sequences or between the electrode & the charge(steel))

1 Answers  

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How to calculated capacitor rating both HT

10 Answers   Reliance,

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Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?

0 Answers  

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What will happen if twice the rated voltage is applied to a DC motor?

4 Answers   Toyota,

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Draw an S.L.D of the main panel for a hospital, showing meter position. Essential loads are: 1) Equipment load 100 KW 2) Critical load 500 KW 3) Life AID Safety load 400 KW 4) NON-Essential load 200 KW 5) Other service loads 200 KW Calculate and suggest the size of the transformer, size of main cable, capacitor bank, and calculate the capacity of an emergency load having above first three mentioned loads is supplied by an emergency generator.

0 Answers   FEWA, HMK,

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what is meant by transformer differential protection ?

3 Answers   BFL,

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in domestic service connection,what is service main?

1 Answers  

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What is RMU, and what it's function?

2 Answers  

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sir, in a industry present pf is 0.54 pf 25hp power is there its want improve 0.9 pf. which suitable capacity capacitor is suitable please inform me.

2 Answers  

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when turbine trips generator will becomes induction motor or synchronous motor?

4 Answers   JSW,

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