Answer / manish

underrated size cable are mallet because over load current but overrated size cable are safe in 3 phase ac electrical motor.

How to calculate the ups battery back up? give the formula.

15 Answers   Cushman Wakefield, Ethio Telecom, Exide, MacLellan, Morgan Stanley, TATA,

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What is Toroid?. What is the difference between toroid and Current Transformer

1 Answers   DAE,

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The error in a single phase energy meter where pressure coil lags behind applied voltage by 88 degrees and pf is 1) upf 2).5lag

1 Answers   GATE,

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Difference between megger test equipment and contact resistance meter test instruments?

0 Answers  

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For example, if I use Star delta transformer for distribution, Can I Connect 230 V lighting load bewteen secondary phase & primary neutarl. What will be the effect, if I connect in this manner?

2 Answers  

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A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????

8 Answers  

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Please let me know when replacing electromechanical Relays for protection of generators with sr489 multilin Relay, then there is no need to use 86 master trip relay Too. I am wondering this multilin relay has no contact to Stop breaker reclosing as 86 does

1 Answers   Neucel,

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what is dol starter

1 Answers  

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what is voltage rise and voltage drop?

8 Answers   HP, jetking, TCS,

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how the high voltages are produced?and what it causes?

4 Answers  

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Wind mill

0 Answers   Suzlon,

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Why do we need ring main unit (RMU). what is its purpose and its advantages . what is the operating function of rmu

6 Answers   MahaDiscom,

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