I find that underground strip-armoiured,4core,LT PVC cables in an earthed power distribution sytem are occasionly found in charred condition-with no trace of it except ash. Is this because of no proper earth connection/continuity (giving rising to high armour resistance)in the joint enroute or because of insufficient capability (again due to high armour resistance)of cable-armour to carry fault current or due to neglected /unprotected overloading of the cable or due to high armour currents caused by power thefts where only phase(s) are unauthorisely tapped & at the point of poer consumption earth terminal is established by burring underground a not so good earthing rod (or using an underground water pipe for the purpose)

1 Answers  

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How much load can take a 16 mm aluminum cable 3 phase

0 Answers   L&T, Sanga Energy,

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on what priciple transformer works on?

5 Answers  

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types of transformers?

1 Answers   Torrent Power,

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We have two APFC panels in same station. I need how to connect CT in two APFC panels.can we take one CT in series connection or two separate CTs.

0 Answers  

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How to calculate the current carrying capacity of sized cables, and there is any formula. please send to 'than.achu@yahoo.com'

1 Answers   Blue Star,

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We are installing a 1.6 MVA transformer at our crusher plant and the feeder of HPSEBL is 2 km away at substaion . and a VCB is installed in the substaion which is 2 km away from transformer so we need another VCB near the transformer.

2 Answers   SCPL,

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what meaning of gd squre

1 Answers  

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what is the acceptable limit value for Desolve Gas Analysis/

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Define liftable weight of a transformer? Does the total weight of transformer include oil weight?

0 Answers  

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what is gas turbine intercooling ?

0 Answers  

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what is the working of ups.

7 Answers  

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