Data Mining Based Partitioning of Dynamic Voltage Control Areas and Contingency Clustering
Partitioning of dynamic voltage control areas (DVCAs) and contingency clustering have attracted increasing attentions in power system planning. In this paper, we propose a data mining based method to recognize behavior patterns of buses and contingencies from offline simulation, so as to identify DV...
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| Veröffentlicht in: | IEEE Power & Energy Society General Meeting S. 1 - 5 |
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| Sprache: | Englisch |
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01.08.2018
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| ISSN: | 1944-9933 |
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| Abstract | Partitioning of dynamic voltage control areas (DVCAs) and contingency clustering have attracted increasing attentions in power system planning. In this paper, we propose a data mining based method to recognize behavior patterns of buses and contingencies from offline simulation, so as to identify DVCAs and group contingencies. The voltage control ability index (VCAI) is defined firstly to evaluate the control effect of a bus with VAR injection subject to a contingency. By traversing all the influencing factors of VCAI, including contingency, controlling bus, and observed bus, a data pool of VCAI is obtained. Behavior patterns of bus and contingency are then extracted from the data pool, respectively. Similarity metric for behavior pattern is defined and the affinity propagation clustering algorithm is adopted to cluster buses and contingencies, so as to form DVCAs and contingency clusters, respectively. Silhouette coefficient analysis is applied to determine a proper clustering scheme. The proposed approach is tested on a modified NE 39-bus system to validate its effectiveness. |
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| AbstractList | Partitioning of dynamic voltage control areas (DVCAs) and contingency clustering have attracted increasing attentions in power system planning. In this paper, we propose a data mining based method to recognize behavior patterns of buses and contingencies from offline simulation, so as to identify DVCAs and group contingencies. The voltage control ability index (VCAI) is defined firstly to evaluate the control effect of a bus with VAR injection subject to a contingency. By traversing all the influencing factors of VCAI, including contingency, controlling bus, and observed bus, a data pool of VCAI is obtained. Behavior patterns of bus and contingency are then extracted from the data pool, respectively. Similarity metric for behavior pattern is defined and the affinity propagation clustering algorithm is adopted to cluster buses and contingencies, so as to form DVCAs and contingency clusters, respectively. Silhouette coefficient analysis is applied to determine a proper clustering scheme. The proposed approach is tested on a modified NE 39-bus system to validate its effectiveness. |
| Author | Wu, Liang Guan, Lin |
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| Snippet | Partitioning of dynamic voltage control areas (DVCAs) and contingency clustering have attracted increasing attentions in power system planning. In this paper,... |
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| SubjectTerms | Clustering algorithms contingency clustering Data mining dynamic voltage control area Indexes Power system dynamics Power system planning Power system stability Reactive power similarity evaluation Voltage control |
| Title | Data Mining Based Partitioning of Dynamic Voltage Control Areas and Contingency Clustering |
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