An arbitrary segmentation method for loss allocation in power grids with distributed generation
The issue of network loss allocation is crucial for the economic operation of power grids, as fair distribution ensures that participants allocate the cost of losses in proportion to their actual contributions. This, in turn, optimizes resource allocation and supports the sustainable operation of th...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-03-01
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| Series: | International Journal of Electrical Power & Energy Systems |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0142061524006604 |
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| _version_ | 1832595399290912768 |
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| author | Wenqiang Tao Hongkun Chen Lei Chen Shengbin Chen |
| author_facet | Wenqiang Tao Hongkun Chen Lei Chen Shengbin Chen |
| author_sort | Wenqiang Tao |
| collection | DOAJ |
| description | The issue of network loss allocation is crucial for the economic operation of power grids, as fair distribution ensures that participants allocate the cost of losses in proportion to their actual contributions. This, in turn, optimizes resource allocation and supports the sustainable operation of the power grid. In response to this challenge, this paper proposes a novel network loss allocation method based on the arbitrary segmentation method and graph theory, applicable to complex transmission and distribution networks with distributed generation integration. Initially, a theoretical approach for calculating network loss improvement in power grids with distributed generations is proposed, utilizing bus voltage equations and the PQ-PV subnetwork disassembly method to mitigate the impact of bidirectional power flow problem. Subsequently, a new method for identifying abnormal network loss measurement data is developed, leveraging the “rank sum” characteristic to identify discrepancies. On this basis, an anomaly correction process is then applied using a segmentation region estimation model. Finally, the power grid is divided into simpler regions using the arbitrary segmentation method and graph theory, and network losses are allocated to users and distributed generations via a power flow tracing method, coupled with enhancements to the average network loss coefficient method. The proposed framework is validated on two distinct network structures, the IEEE 14-bus transmission system and an NC-10 kV distribution network, demonstrating its effectiveness and applicability. Numerical results indicate that this method can be successfully applied to any type of power grid with distributed generation integration. |
| format | Article |
| id | doaj-art-5cf717ac57834681a2127848f41f89a3 |
| institution | Kabale University |
| issn | 0142-0615 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | International Journal of Electrical Power & Energy Systems |
| spelling | doaj-art-5cf717ac57834681a2127848f41f89a32025-01-19T06:24:02ZengElsevierInternational Journal of Electrical Power & Energy Systems0142-06152025-03-01164110436An arbitrary segmentation method for loss allocation in power grids with distributed generationWenqiang Tao0Hongkun Chen1Lei Chen2Shengbin Chen3School of Electrical Engineering and Automation, Wuhan University, Wuhan 430000, ChinaCorresponding author.; School of Electrical Engineering and Automation, Wuhan University, Wuhan 430000, ChinaSchool of Electrical Engineering and Automation, Wuhan University, Wuhan 430000, ChinaSchool of Electrical Engineering and Automation, Wuhan University, Wuhan 430000, ChinaThe issue of network loss allocation is crucial for the economic operation of power grids, as fair distribution ensures that participants allocate the cost of losses in proportion to their actual contributions. This, in turn, optimizes resource allocation and supports the sustainable operation of the power grid. In response to this challenge, this paper proposes a novel network loss allocation method based on the arbitrary segmentation method and graph theory, applicable to complex transmission and distribution networks with distributed generation integration. Initially, a theoretical approach for calculating network loss improvement in power grids with distributed generations is proposed, utilizing bus voltage equations and the PQ-PV subnetwork disassembly method to mitigate the impact of bidirectional power flow problem. Subsequently, a new method for identifying abnormal network loss measurement data is developed, leveraging the “rank sum” characteristic to identify discrepancies. On this basis, an anomaly correction process is then applied using a segmentation region estimation model. Finally, the power grid is divided into simpler regions using the arbitrary segmentation method and graph theory, and network losses are allocated to users and distributed generations via a power flow tracing method, coupled with enhancements to the average network loss coefficient method. The proposed framework is validated on two distinct network structures, the IEEE 14-bus transmission system and an NC-10 kV distribution network, demonstrating its effectiveness and applicability. Numerical results indicate that this method can be successfully applied to any type of power grid with distributed generation integration.http://www.sciencedirect.com/science/article/pii/S0142061524006604Power gridDistributed generationsAbnormal network loss identification and correctionNetwork loss allocationArbitrary segmentation method |
| spellingShingle | Wenqiang Tao Hongkun Chen Lei Chen Shengbin Chen An arbitrary segmentation method for loss allocation in power grids with distributed generation International Journal of Electrical Power & Energy Systems Power grid Distributed generations Abnormal network loss identification and correction Network loss allocation Arbitrary segmentation method |
| title | An arbitrary segmentation method for loss allocation in power grids with distributed generation |
| title_full | An arbitrary segmentation method for loss allocation in power grids with distributed generation |
| title_fullStr | An arbitrary segmentation method for loss allocation in power grids with distributed generation |
| title_full_unstemmed | An arbitrary segmentation method for loss allocation in power grids with distributed generation |
| title_short | An arbitrary segmentation method for loss allocation in power grids with distributed generation |
| title_sort | arbitrary segmentation method for loss allocation in power grids with distributed generation |
| topic | Power grid Distributed generations Abnormal network loss identification and correction Network loss allocation Arbitrary segmentation method |
| url | http://www.sciencedirect.com/science/article/pii/S0142061524006604 |
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