Decentralized Local Voltage Control for Active Distribution Networks
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908531860439040 |
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| author | Fernandes, Diana Vieira Kar, Soummya Silva, Carlos Santos |
| author_facet | Fernandes, Diana Vieira Kar, Soummya Silva, Carlos Santos |
| contents | Distribution networks face challenges from the increasing deployment of Distributed Energy Resources (DERs) and the emergence of bidirectional power flows. We propose a decentralized Volt/VAr control method based on a saddle-point reformulation and consensus+innovation (C+I) updates. Each agent at a controllable bus computes and enforces its own set-points using only neighbor communication. Our method embeds passive buses directly, preserves network physics through a linearized Jacobian model, and avoids any supervisory nodes. Simulation results on a modified CIGRE low-voltage network show voltage stability improvement within operational limits, indicating the viability of a fully decentralized (edge-based) Volt/VAr control solution. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2509_09048 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Decentralized Local Voltage Control for Active Distribution Networks Fernandes, Diana Vieira Kar, Soummya Silva, Carlos Santos Systems and Control 49 I.2.8 Distribution networks face challenges from the increasing deployment of Distributed Energy Resources (DERs) and the emergence of bidirectional power flows. We propose a decentralized Volt/VAr control method based on a saddle-point reformulation and consensus+innovation (C+I) updates. Each agent at a controllable bus computes and enforces its own set-points using only neighbor communication. Our method embeds passive buses directly, preserves network physics through a linearized Jacobian model, and avoids any supervisory nodes. Simulation results on a modified CIGRE low-voltage network show voltage stability improvement within operational limits, indicating the viability of a fully decentralized (edge-based) Volt/VAr control solution. |
| title | Decentralized Local Voltage Control for Active Distribution Networks |
| topic | Systems and Control 49 I.2.8 |
| url | https://arxiv.org/abs/2509.09048 |