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Calculation of the inducted currents

Calculation of the inducted currents

Calculation of the inducted currents

(OP)
Hello,

I am looking for an approved method to calculate induced current on a metallic armour.

Fiber optic cable is buried in the same trench as power cable (230kV cable) - the distance is about 1ft. The fiber optic cable has armouring (steel wires). I am looking for a IEEE standard or method to calculate induced circulating currents on a fiber optic shield (shield is grounded both ends). Also; to perform calcs to determine standing voltage of one end (if one end is grounded).

thanks.

RE: Calculation of the inducted currents

In my opinion, the study of EPRI EL-904-V1/V2 for overhead line influence on embedded gas pipe line may help in a way. See:
http://www.epri.com/search/Pages/results.aspx?k=EL...
See also:
ANSI/IEEE Std 575-1988 IEEE Guide for the Application of Sheath-Bonding Methods for Single-Conductor Cables and the Calculation of Induced Voltages and Currents in Cable Sheaths.

RE: Calculation of the inducted currents

an IEEE 575-2014 version is available now, pretty much detailed and well-described!

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