Answer / thanigai1984

acive components-resistor ,capacitor ,inductor
passive components- transistor thyristor

what is power factor?

9 Answers   MAHINDRA,

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How to calculate voltage drop in copper and aluminium cable? I have laid 240Sq.mm Aluminium cable for the length of 600 Mtrs in 1 Mtrs underground. Normal load is 150A. Transformer is 630KVA, 6.KV/433V. But, I am getting only 395 Volts when load. How to calculate voltage drop and what is the permissible voltge drop for this circuit?

1 Answers  

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what is the working of ups.

7 Answers  

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why earthing point in the 6amps/16amps socket bigger than the remaining (Phase & Neutral)points.

1 Answers  

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what is stepping motor and where can use in electrical installation.

3 Answers  

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AMF (auto mains failure) control for DG sets at home.

1 Answers  

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why trasformer rated in kva why should have to maintain pf in our site 0.9

3 Answers   Dalkia,

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What is LOTO?

6 Answers  

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what is the change over switch ,switch disconnector ,bypass switch and switch disconnector fuse unit?

1 Answers  

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Can 4pole (3 phase+neautral )RCCB proper functioning in only 3 phase load (no neautral, no Earth) ?

0 Answers   HCL, Reliance,

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what is PPI DB?

2 Answers   Priyanka Electricals,

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if we want to convert the two 12 V DC batteries in parallel for UPS ? what would be the result ? which is better for a UPS , connect two batteries in series or connect them in parallel ?

2 Answers  

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