what is bus coupler? and how many type? which one is big advantage ?

2 Answers   Essar,

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what is the difference between ac and dc?which one is more efficient?and what r their advantages

1 Answers  

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How to discharge the battery as quickly as possible ?

1 Answers  

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Batteries used for electrical energy storage are a. Laclanche cells b. Edison cells c. Lead acid cells d.any of the above

0 Answers  

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What do you mean by Transformer?

9 Answers   Hyundai, NTPC, wbsedcl,

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As all us know that the capacitor panel is connected to improve the power factor when it is PF is low. whether we can connect the capacitor panel on D.G. side(? If it is yes means why?

1 Answers   Aricent, Essar,

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Show formula which gives full load current 4.8 amps of a 3 HP motor and 27 amps of a 20 HP motor having 3 phase 460 volts, 0.8 Pf.

2 Answers  

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What is the Derating factor of power cables when exposed to direct sunlight in (both PVC & XLPE).

1 Answers  

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What is the use of insulation tester and how it is to be used.

2 Answers  

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why name plate detail HP/KW rating of a motor is different from measured value HP/KW using formula?

1 Answers   MAHINDRA,

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Is potential difference materials property ..? if yes tnen how.. explain brifly.

0 Answers  

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what is the formular for the calculation of CT'S when installed as part of a electrical installation so the correct meter is used

2 Answers  

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