Optimal Placement of Smart Hybrid Transformers in Distribution Networks
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arXiv
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| Auteurs principaux: | , , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866915377536040960 |
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| author | Hayward, Samuel Doff-Sotta, Martin Merlin, Michael Williams, Matthew Morstyn, Thomas |
| author_facet | Hayward, Samuel Doff-Sotta, Martin Merlin, Michael Williams, Matthew Morstyn, Thomas |
| contents | Hybrid transformers are a relatively new technology that combine conventional power transformers with power electronics to provide voltage and reactive power control capabilities in distribution networks. This paper proposes a novel method of determining the optimal location and utilisation of hybrid transformers in 3-phase distribution networks to maximise the net present value of hybrid transformers based on their ability to increase the export of power produced by distributed generators over their operational lifespan. This has been accomplished through sequential linear programming, a key feature of which is the consideration of nonlinear characteristics and constraints relating to hybrid transformer power electronics and control capabilities. Test cases were carried out in a modified version of the Cigre European Low Voltage Distribution Network Benchmark, which has been extended by connecting it with two additional low voltage distribution test networks. All test case results demonstrate that the installation and utilisation of hybrid transformers can improve the income earned from exporting excess active power, justifying their installation cost (with the highest net present value being £6.56 million, resulting from a 45.53 percent increase in estimated annual profits due to coordinated HT compensation). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_05967 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Optimal Placement of Smart Hybrid Transformers in Distribution Networks Hayward, Samuel Doff-Sotta, Martin Merlin, Michael Williams, Matthew Morstyn, Thomas Systems and Control Optimization and Control Hybrid transformers are a relatively new technology that combine conventional power transformers with power electronics to provide voltage and reactive power control capabilities in distribution networks. This paper proposes a novel method of determining the optimal location and utilisation of hybrid transformers in 3-phase distribution networks to maximise the net present value of hybrid transformers based on their ability to increase the export of power produced by distributed generators over their operational lifespan. This has been accomplished through sequential linear programming, a key feature of which is the consideration of nonlinear characteristics and constraints relating to hybrid transformer power electronics and control capabilities. Test cases were carried out in a modified version of the Cigre European Low Voltage Distribution Network Benchmark, which has been extended by connecting it with two additional low voltage distribution test networks. All test case results demonstrate that the installation and utilisation of hybrid transformers can improve the income earned from exporting excess active power, justifying their installation cost (with the highest net present value being £6.56 million, resulting from a 45.53 percent increase in estimated annual profits due to coordinated HT compensation). |
| title | Optimal Placement of Smart Hybrid Transformers in Distribution Networks |
| topic | Systems and Control Optimization and Control |
| url | https://arxiv.org/abs/2507.05967 |