how many earthing should need for UPS, where its connected

7 Answers   HCL,

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my field of interest is T&D. plz tell something about that.

15 Answers   TCS,

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HI,how to know that the MEGGER which i am using is working properly,reply....thankyou

2 Answers   NTPC,

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Why Nutral CT rating for Earth Fault Protection of Transformer neutral shall be 20% of Full load Current of Transformer

2 Answers  

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how diside ct mf exmp.200/5 ct

0 Answers  

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How can get elongation of 2 k.G aluminium, if elongated aluminium dia is 2.5 mm?

0 Answers  

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What happend if we connect star point to ground of a star connected motor? And what will be effect on system and effeciency of motor?

1 Answers  

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how to calculate kA rating of device?

3 Answers   Siemens, Vijai Electricals,

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difference b/w eath and neutral

10 Answers   ABB,

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lamination figures

0 Answers  

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what is the use of spherical metal balls attached on to the earth wire of transmission over head lines?

2 Answers  

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why -48 volts dc used in telecommucation

0 Answers  

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