How ships are protected from lightning?

1 Answers  

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what is a kit kat fuse?

5 Answers   TCS,

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how work a harmonics filter(L-C combition).

1 Answers   Bhel,

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What is the minimum setting in REF relay because i am facing some problem whenever power resumes after power failure my transformer is tripping because of REF trip. I am using CSPC make numerical relay(DIP switches). Now setting is 15 percentage. What is the reason for this triping. I sm waiting for answer

2 Answers  

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Residual voltage & residual current used in which protection?

5 Answers   Qatar Gas, Reliance, Transformers and Electricals,

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Are you connected Transformer neutral eathing with it's body earthing or earthing met of switch yard.? Yes or No ? why ?

2 Answers  

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what is speed of light?

8 Answers  

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Who are the manufactures those manufacturing 3Cx2.5sqmm FRLS cables. I heard about FRLS technology adopted only in wires useful for wirings

0 Answers  

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how to calculate the capacitor rating for improving power factor

10 Answers   L&T, Property Solutions, Synergy, TAFE,

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what is the difference between MCB and MCCB?

4 Answers  

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what is the power factor of choke coil used in tubelight

12 Answers   Bajaj,

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what is prniciple of three phase IM?

3 Answers  

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