IoT-Based Intelligent Phase Imbalance Monitoring and Hosting Capacity Assessment System for Renewable Energy Integrated Distribution Feeders
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更新:2026-11-10 16:51:58 浏览:9次
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摘要
The increasing integration of rooftop photovoltaic (PV) systems into low-voltage distribution feeders can create phase imbalance, voltage deviations, and power-quality problems, particularly when single-phase PV systems and loads are unevenly distributed across the three phases. Such conditions limit how much renewable energy a distribution feeder can absorb without exceeding its operating limits. This paper presents an IoT-enabled intelligent system for monitoring phase imbalance and assessing hosting capacity in renewable-energy-integrated distribution feeders. The proposed system combines per-phase voltage and current sensing with an ESP32-based edge controller for continuous monitoring of feeder operating conditions. The acquired electrical parameters are processed to compute phase imbalance, power-related quantities, and the overall health condition of the feeder. An IoT communication layer supports remote visualization and storage of the feeder data, while a hosting-capacity assessment module estimates how much additional PV penetration the feeder can accommodate under voltage and phase-unbalance constraints. Whenever abnormal operating conditions arise, the system raises both local and remote alerts. In addition, an intelligent phase-balancing mechanism identifies the overloaded or underloaded phase and recommends a suitable balancing action to improve phase utilization and power quality. The proposed framework thus brings together real-time monitoring, imbalance detection, renewable-energy hosting-capacity assessment, and intelligent phase-balancing support in a single low-cost, scalable architecture. The system is meant to offer a practical way of improving distribution-feeder observability and enabling greater rooftop-PV integration while keeping power quality within acceptable limits.
关键词
IoT, ESP32, Phase Imbalance, Renewable Energy, Distribution Feeders, Hosting Capacity, Power Quality, Smart Grid
稿件作者
Divya Shree
BNM Institute of Technology (BNMIT)
Chayadevi M L
BNM Institute of Technology (BNMIT)
Anusha K A
BNM Institute of Technology (BNMIT)
Keerthana M S
BNM Institute of Technology (BNMIT)
A K Sreeja
BNM Institute of Technology
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