Impact Assessment of Heterogeneous Grid Support Functions in Smart Inverter Deployments
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866918268884746240 |
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| author | Krishnan, S. Gokul Aftab, Mohd. Asim Mohammed, Nabil Ahmed, Shehab Konstantinou, Charalambos |
| author_facet | Krishnan, S. Gokul Aftab, Mohd. Asim Mohammed, Nabil Ahmed, Shehab Konstantinou, Charalambos |
| contents | The decarbonization of the energy sector has led to a significant high penetration of distributed energy resources (DERs), particularly photovoltaic (PV) systems, in low-voltage (LV) distribution networks. To maintain grid stability, recent standards (e.g., IEEE 1547-2018) mandate DERs to provide grid-support functionalities through smart inverters (SIs), which typically operate autonomously based on local measurements. However, as DER penetration increases, uncoordinated control modes of SIs can lead to adverse interactions, compromising system efficiency, voltage regulation, and overall stability. While previous studies have demonstrated the benefits of coordinated inverter control and optimal dispatch strategies, the system-wide impacts of heterogeneous SI groups operating under different control modes remain largely unexamined. This paper addresses this gap by assessing the dynamic interactions among multiple SI groups with varying control strategies, namely: Constant Power Factor (CPF), Volt-VAR, and Volt-Watt modes. Furthermore, the analysis covers both resistive and inductive feeder types. The validation is performed using a real-time setup. The CIRGE low-voltage (LV) distribution network is simulated in the Opal-RT platform as the test network, enabling realistic and high-fidelity evaluation of SI control interactions under practical grid conditions. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2601_00289 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Impact Assessment of Heterogeneous Grid Support Functions in Smart Inverter Deployments Krishnan, S. Gokul Aftab, Mohd. Asim Mohammed, Nabil Ahmed, Shehab Konstantinou, Charalambos Systems and Control The decarbonization of the energy sector has led to a significant high penetration of distributed energy resources (DERs), particularly photovoltaic (PV) systems, in low-voltage (LV) distribution networks. To maintain grid stability, recent standards (e.g., IEEE 1547-2018) mandate DERs to provide grid-support functionalities through smart inverters (SIs), which typically operate autonomously based on local measurements. However, as DER penetration increases, uncoordinated control modes of SIs can lead to adverse interactions, compromising system efficiency, voltage regulation, and overall stability. While previous studies have demonstrated the benefits of coordinated inverter control and optimal dispatch strategies, the system-wide impacts of heterogeneous SI groups operating under different control modes remain largely unexamined. This paper addresses this gap by assessing the dynamic interactions among multiple SI groups with varying control strategies, namely: Constant Power Factor (CPF), Volt-VAR, and Volt-Watt modes. Furthermore, the analysis covers both resistive and inductive feeder types. The validation is performed using a real-time setup. The CIRGE low-voltage (LV) distribution network is simulated in the Opal-RT platform as the test network, enabling realistic and high-fidelity evaluation of SI control interactions under practical grid conditions. |
| title | Impact Assessment of Heterogeneous Grid Support Functions in Smart Inverter Deployments |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2601.00289 |