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I. Colominas, F. Navarrina, M. Casteleiro, "A Boundary Element Formulation for the Computer Design of Substation Grounding", in B.H.V. Topping, (Editor), "Advances in Boundary Element Methods", Civil-Comp Press, Edinburgh, UK, pp 81-88, 1996. doi:10.4203/ccp.44.3.2

Abstract

A Boundary Element, approach for the numerical computation of substation grounding systems is presented. In this general formulation, several widespread intuitive methods (such as Average Potential Method) can be identified as the result of specific choices for the test and trial functions and suitable assumptions introduced in the BEM formulation to reduce computational cost. While linear and parabolic leakage current elements allow to increase accuracy, computing time is drastically reduced by means of new completely analytical integration techniques and semi-iterative methods for solving linear equations systems. This BEM formulation has been implemented in a specific Computer Aided Design system or grounding analysis developed in the last years. The feasibility of this new approach is demonstrated with its application to a real problem.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 44 ADVANCES IN BOUNDARY ELEMENT METHODS Edited by: B.H.V. Topping Paper III.2 A Boundary Element Formulation for the Computer Design of Substation Grounding I. Colominas, F. Navarrina and M. Casteleiro Department of Applied Mathematics, University of La Coruna, La Coruna, Spain doi:10.4203/ccp.44.3.2 purchase the full-text of this paper Full Bibliographic Reference for this paper I. Colominas, F. Navarrina, M. Casteleiro, "A Boundary Element Formulation for the Computer Design of Substation Grounding", in B.H.V. Topping, (Editor), "Advances in Boundary Element Methods", Civil-Comp Press, Edinburgh, UK, pp 81-88, 1996. doi:10.4203/ccp.44.3.2 Abstract A Boundary Element, approach for the numerical computation of substation grounding systems is presented. In this general formulation, several widespread intuitive methods (such as Average Potential Method) can be identified as the result of specific choices for the test and trial functions and suitable assumptions introduced in the BEM formulation to reduce computational cost. While linear and parabolic leakage current elements allow to increase accuracy, computing time is drastically reduced by means of new completely analytical integration techniques and semi-iterative methods for solving linear equations systems. This BEM formulation has been implemented in a specific Computer Aided Design system or grounding analysis developed in the last years. The feasibility of this new approach is demonstrated with its application to a real problem. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £52 +P&P)
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