Corrective Power Network Reconfiguration for Eliminating Transmission Lines Overload
The power flow of transmission lines may be overloaded when contingencies occur. To solve this problem effectively, this paper proposes a two-staged optimization model, which considers spinning reserve resources and network adjustment. Firstly, a DC power flow based mathematical model of network rec...
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| Veröffentlicht in: | 2020 IEEE 1st China International Youth Conference on Electrical Engineering (CIYCEE) S. 1 - 6 |
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01.11.2020
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| Abstract | The power flow of transmission lines may be overloaded when contingencies occur. To solve this problem effectively, this paper proposes a two-staged optimization model, which considers spinning reserve resources and network adjustment. Firstly, a DC power flow based mathematical model of network reconfiguration is introduced to obtain an approximate optimal solution. Then an AC power flow based mathematical model of network reconfiguration is introduced, and the obtained approximate optimal solution is used as an initial state. The proposed model is a mixed integer nonlinear programming (MINLP) model, because it considers the AC power flow constraints and introduces binary integer variables. The branch and bound method and the primal dual interior point method are used to solve the MINLP problem. Finally, the correctness and effectiveness of the proposed methods are verified by simulations on Fujian transmission grids. |
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| AbstractList | The power flow of transmission lines may be overloaded when contingencies occur. To solve this problem effectively, this paper proposes a two-staged optimization model, which considers spinning reserve resources and network adjustment. Firstly, a DC power flow based mathematical model of network reconfiguration is introduced to obtain an approximate optimal solution. Then an AC power flow based mathematical model of network reconfiguration is introduced, and the obtained approximate optimal solution is used as an initial state. The proposed model is a mixed integer nonlinear programming (MINLP) model, because it considers the AC power flow constraints and introduces binary integer variables. The branch and bound method and the primal dual interior point method are used to solve the MINLP problem. Finally, the correctness and effectiveness of the proposed methods are verified by simulations on Fujian transmission grids. |
| Author | Kuang, Jing Guo, Ruipeng Zhang, Yingling Han, Ye Xu, Zhengqi Zheng, Liwei |
| Author_xml | – sequence: 1 givenname: Yingling surname: Zhang fullname: Zhang, Yingling email: zhang_yingling@fj.sgcc.com.cn organization: State Grid Fujian Electric Power,Fuzhou,China,350000 – sequence: 2 givenname: Zhengqi surname: Xu fullname: Xu, Zhengqi organization: State Grid Fujian Electric Power,Fuzhou,China,350000 – sequence: 3 givenname: Jing surname: Kuang fullname: Kuang, Jing organization: State Grid Fujian Electric Power,Fuzhou,China,350000 – sequence: 4 givenname: Ye surname: Han fullname: Han, Ye organization: State Grid Fujian Electric Power,Fuzhou,China,350000 – sequence: 5 givenname: Liwei surname: Zheng fullname: Zheng, Liwei organization: State Grid Fujian Electric Power,Fuzhou,China,350000 – sequence: 6 givenname: Ruipeng surname: Guo fullname: Guo, Ruipeng organization: State Grid Fujian Electric Power,Fuzhou,China,350000 |
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| Snippet | The power flow of transmission lines may be overloaded when contingencies occur. To solve this problem effectively, this paper proposes a two-staged... |
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| SubjectTerms | Branch and bound method Load flow Load modeling Mathematical model mixed-integer nonlinear problem Optimization Power system stability primal dual interior point method Programming Short-circuit currents transmission line overload transmission network reconfiguration |
| Title | Corrective Power Network Reconfiguration for Eliminating Transmission Lines Overload |
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