Difference between copper earthing & aluminium earthing?

2 Answers  

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How a ship getting grounded

2 Answers   Deltin Jaqk,

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1.what is the reason for transformer and lightning arrester blast in 33kv system

0 Answers   ABB,

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How you take care of a motor from over loading and what are the different overloading ratings of different motors?

4 Answers  

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( Re: WHAT SHOULD BE THE RATING OF MCCB FOR 415V,3Ph,50KVAR CAPACITOR BANK Answer # 1 The capacitor current would be kvar x 1000 / (415 x sqrt3). This would be 70a approx. The MCCB selected should have *atleast 1.4 times this current i.e. 1.4 x 70= 98. So you should choose at least 100 A mccb.) regarding to this answer,i would like to know why the current have to times 1.4 to get the right amphere for the mccb.hows the formula to get the 1.4??tq

2 Answers  

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What is the difference between SSR drive& AC drive?

1 Answers   ITC Infotech,

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How to increase the specific gravity of DG batteries?

12 Answers   SCS,

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losses in transmission lines ?

0 Answers  

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in three 3.5 core aluminium ug cable. one cable is used for one phase by shrting R,Y and B wires and other 2 cables used for Y and b phases. balace 3 neutral wires are made common and connected to load. suddenly neutral current was more than line current what is the reason behind this?

1 Answers   DLF,

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IN dc capacitive reactance is??

0 Answers  

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E.B sending end to receiving end 33kv ug cable laid 8Km,receiving end to ss1,ss2,ss3,ss4 all are Approx 800 Mtr,can go for 33KV to 430V or 33kv to 11kv in receiving end and 11kv to 430 near ss ,which one is good for technically and economically.

1 Answers   JLL,

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what is sevice settings for mccb?How can be it setted?

0 Answers  

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