HVDC ground electrode heat dissipation in an N-layer soil

Author

Greiss, E. ; Mukhedkar, D. ; Houle, J.-L. ; Do, X.D. ; Gervais, Y.

Author_Institution

Ecole Polytech., Montreal, Que., Canada

Volume

3

Issue

4

fYear

1988

fDate

10/1/1988 12:00:00 AM

Firstpage

1369

Lastpage

1374

Abstract

The temperature distribution in an N-layer soil, due to high-voltage direct-current (HVDC) injection via ground electrodes, was computed using finite-difference methods. The temperature profiles for various ground electrode shapes buried in a two-layer soil were computed using these same techniques. The results obtained were then compared with results obtained experimentally in the laboratory. A sensitivity analysis was performed on the effect of the height of the top layer of a two-layer earth model. The computed results agree very well with those obtained experimentally. The effect of varying the height of the top layer of a two-layer earth was then investigated. The computations indicate that the temperature can be predicted as a function of this height

Keywords

difference equations; earth electrodes; HVDC ground electrode heat dissipation; N-layer soil; finite-difference methods; two-layer earth model; Distributed computing; Earth; Electrodes; Finite difference methods; HVDC transmission; Land surface temperature; Shape; Soil; Temperature distribution; Temperature sensors;

fLanguage

English

Journal_Title

Power Delivery, IEEE Transactions on

Publisher

ieee

ISSN

0885-8977

Type

jour

DOI

10.1109/61.193933

Filename

193933