Grid fault level [KA]?

0 Answers  

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what is the function and use of cable differential protection relay?

0 Answers  

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Hi,Any one has idea regarding the KPTCL Recuirtments for AE'e & JE's for the year of 2009-10???Kindly help in regards..

1 Answers  

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Dear All, In a 400V power system, ratio of three current transformers installed incoming switchgear is 4000/1. Maximum three phases short circuit current of this system is 48kA. One CT is installed on neutral of upstream transformer (6/0.42kV, solidly earthed) for 51G protection. Would you please inform me about the correct CT ratio of this current transformer (on neutral)?? Thanks a million

2 Answers  

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How much width of the land shall have to be left below the EHT line of 440 kv as per the rule. i am told that a corridor of 35 M width is to be left free below 220 kv line. please confirm

1 Answers  

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what is difference between earthingpits,earthing grid & earthing mess?

0 Answers   TATA,

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What determines the thickness of the lamination or stamping?

0 Answers  

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Single line diagram for dbb (double bus bar)system.

0 Answers   KSEB, L&T, Siemens,

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Why Lighting transformers are used? what will be the current if lightings connected through direct raw power?

1 Answers   BMM,

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Haw to check conductivity of budbar

0 Answers   Adlec Power,

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Why 9KV surge arrester having 7.65KV of MCOV?

0 Answers  

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Is there is any hazard to insulation of 3hp motor 5 KV megger is used for it?

1 Answers  

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