Use of base case Jacobians in power flow solution under topological changes
Fast decoupled Newton-Raphson method is the most widely used algorithm for load flow analysis needed in on-line assessment of the steady state security of a power system. To repeat the load flow analysis corresponding to the topological changes arising from a contingency or a remedial action, usuall...
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Elsevier
2002
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| Online Access: | http://eprints.utm.my/7824/ http://dx.doi.org/10.1016/S0045-7906(00)00040-9 |
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| author | Ahmed, S. Shahnawaz Rahman, Md. Mizanur |
| author_facet | Ahmed, S. Shahnawaz Rahman, Md. Mizanur |
| author_sort | Ahmed, S. Shahnawaz |
| building | UTM Library |
| collection | Institutional Repository |
| content_provider | Universiti Teknologi Malaysia |
| content_source | UTM Institutional Repository |
| continent | Asia |
| country | Malaysia |
| description | Fast decoupled Newton-Raphson method is the most widely used algorithm for load flow analysis needed in on-line assessment of the steady state security of a power system. To repeat the load flow analysis corresponding to the topological changes arising from a contingency or a remedial action, usually the base case Jacobian matrices are reinverted through inverse matrix modification lemma or partial matrix refactorisation technique. The present paper proposes the use of base case Jacobians without reinversion or refactorisation and reforming only the right side vector in each iteration. A comparative performance study between the proposed and the partial refactorisation techniques regarding their on-line CPU time requirements and solution accuracy has been made by conducting extensive simulation tests on a real power system for wider spectrum of practical cases involving topological changes. |
| format | Article |
| id | my.utm.eprints-7824 |
| institution | Universiti Teknologi Malaysia |
| publishDate | 2002 |
| publisher | Elsevier |
| record_format | eprints |
| spelling | my.utm.eprints-78242009-01-23T07:00:08Z http://eprints.utm.my/7824/ Use of base case Jacobians in power flow solution under topological changes Ahmed, S. Shahnawaz Rahman, Md. Mizanur TK Electrical engineering. Electronics Nuclear engineering Fast decoupled Newton-Raphson method is the most widely used algorithm for load flow analysis needed in on-line assessment of the steady state security of a power system. To repeat the load flow analysis corresponding to the topological changes arising from a contingency or a remedial action, usually the base case Jacobian matrices are reinverted through inverse matrix modification lemma or partial matrix refactorisation technique. The present paper proposes the use of base case Jacobians without reinversion or refactorisation and reforming only the right side vector in each iteration. A comparative performance study between the proposed and the partial refactorisation techniques regarding their on-line CPU time requirements and solution accuracy has been made by conducting extensive simulation tests on a real power system for wider spectrum of practical cases involving topological changes. Elsevier 2002-01 Article PeerReviewed Ahmed, S. Shahnawaz and Rahman, Md. Mizanur (2002) Use of base case Jacobians in power flow solution under topological changes. Computer and Electrical Engineering, 28 (1). pp. 17-23. ISSN 0045-7906 http://dx.doi.org/10.1016/S0045-7906(00)00040-9 10.1016/S0045-7906(00)00040-9 |
| spellingShingle | TK Electrical engineering. Electronics Nuclear engineering Ahmed, S. Shahnawaz Rahman, Md. Mizanur Use of base case Jacobians in power flow solution under topological changes |
| title | Use of base case Jacobians in power flow solution under topological changes |
| title_full | Use of base case Jacobians in power flow solution under topological changes |
| title_fullStr | Use of base case Jacobians in power flow solution under topological changes |
| title_full_unstemmed | Use of base case Jacobians in power flow solution under topological changes |
| title_short | Use of base case Jacobians in power flow solution under topological changes |
| title_sort | use of base case jacobians in power flow solution under topological changes |
| topic | TK Electrical engineering. Electronics Nuclear engineering |
| url | http://eprints.utm.my/7824/ http://dx.doi.org/10.1016/S0045-7906(00)00040-9 |
| url_provider | http://eprints.utm.my/ |