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Including Soil Drying Time in Cable Ampacity Calculations.
- Source :
-
IEEE Transactions on Industry Applications . Nov2016, Vol. 52 Issue 6, p4646-4651. 6p. - Publication Year :
- 2016
-
Abstract
- Previous papers proposed a method to find the maximum possible dried area of soil expected due to heating by underground cables. A method was also proposed to include this dried soil area in cable ampacity calculations. This assumed that cables would be loaded 100% of the time. To dry soil to the maximum possible extent may take very long time periods, and in many installations, the cables actually carry current for a limited time. In these cases, the soil may never dry to its maximum extent. This paper proposes a method to approximately determine the radius of dried soil that will occur due to cable heating for limited periods of time. It similarly proposes a method to approximate the time it will take for the dried soil to be replenished to its original moisture content after heating by the cables has ceased. [ABSTRACT FROM AUTHOR]
- Subjects :
- *SOIL drying
*SOIL moisture
*SOILS
*TEMPERATURE
*MATHEMATICAL models
Subjects
Details
- Language :
- English
- ISSN :
- 00939994
- Volume :
- 52
- Issue :
- 6
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Industry Applications
- Publication Type :
- Academic Journal
- Accession number :
- 119616401
- Full Text :
- https://doi.org/10.1109/TIA.2016.2586738