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Dynamic line rating (DLR) models the transmission capacity of overhead lines as a function of ambient conditions. It takes advantage of the physical thermal property of overhead line conductors, thus making DLR less conservative compared to…

Optimization and Control · Mathematics 2016-12-06 Bolun Xu , Andreas Ulbig , Goran Andersson

Static transmission line ratings may lead to underutilization of line capacity due to overly conservative assumptions. Grid-enhancing technologies (GETs) such as dynamic line ratings (DLRs), which adjust line capacity based on real-time…

Systems and Control · Electrical Eng. & Systems 2025-11-27 Zhiyi Zhou , Christoph Graf , Yury Dvorkin

This paper examines the integrated generation and transmission expansion planning problem to address the growing challenges associated with increasing power network loads. The proposed approach optimizes the operation and investment costs…

Systems and Control · Electrical Eng. & Systems 2024-10-22 Arash Baharvandi , Duong Tung Nguyen

Dynamic line rating (DLR) is an effective approach to enhancing the utilization of existing transmission line infrastructure by adapting line ratings according to real-time weather conditions. Accurate DLR forecasts are essential for grid…

Systems and Control · Electrical Eng. & Systems 2025-12-30 Minsoo Kim , Vladimir Dvorkin , Jip Kim

Accurate short-term prediction of overhead line (OHL) transmission ampacity can directly affect the efficiency of power system operation and planning. Any overestimation of the dynamic thermal line rating (DTLR) can lead to lifetime…

Cryptography and Security · Computer Science 2020-11-26 N. Safari , S. M. Mazhari , C. Y. Chung , S. B. Ko

Transmission system operators (TSOs) in recent years have faced challenges in order to ensure maximum transmission capacity of the system to satisfy market needs, while maintaining operational safety and permissible impact on the…

Numerical Analysis · Mathematics 2022-01-28 Aleksandra Rashkovska , Mitja Jančič , Matjaž Depolli , Janko Kosmač , Gregor Kosec

As power grids experience increasing renewable penetration and rapid load growth from AI data centers and electrification, alleviating line congestion becomes critical to unlocking additional grid capacity. This work investigates Dynamic…

Optimization and Control · Mathematics 2025-10-14 Baptiste Rabecq , Thomas Lee , Andy Sun

Dynamic line rating (DLR) is a promising solution to increase the utilization of transmission lines by adjusting ratings based on real-time weather conditions. Accurate DLR forecast at the scheduling stage is thus necessary for system…

Systems and Control · Electrical Eng. & Systems 2025-03-11 Minsoo Kim , Vladimir Dvorkin , Jip Kim

The integration of large shares of wind and solar power into the power system benefits from transmission network expansion. However, the construction of new power lines requires long planning phases and is often delayed by citizen protests.…

Physics and Society · Physics 2026-03-18 Philipp Glaum , Fabian Hofmann

This paper addresses two vital issues which are barely discussed in the literature on robust unit commitment (RUC): 1) how much the potential operational loss could be if the realization of uncertainty is beyond the prescribed uncertainty…

Optimization and Control · Mathematics 2016-03-16 Cheng Wang , Feng Liu , Jianhui Wang , Feng Qiu , Wei Wei , Shengwei Mei , Shunbo Lei

The widespread uncertainties have made the interaction between wind power and power grid more complicated and difficult to model and handle. This paper proposes an approach for the solution of unit commitment (UC) problem incorporating…

Systems and Control · Electrical Eng. & Systems 2020-01-06 Fang Zhai , Libao Shi

We developed a synthetic Texas 123-bus backbone transmission system (TX-123BT) with spatio-temporally correlated grid profiles of solar power, wind power, dynamic line ratings and loads at one-hour resolution for five continuous years,…

Systems and Control · Electrical Eng. & Systems 2025-06-24 Jin Lu , Xingpeng Li , Hongyi Li , Taher Chegini , Carlos Gamarra , Y. C. Ethan Yang , Margaret Cook , Gavin Dillingham

Grid regulators and participants are paying increasing attention to Dynamic Line Ratings (DLR) as a new approach to address transmission system bottlenecks. In this paper, a thorough comparison of DLR, Ambient Adjusted Ratings (AAR), and…

Systems and Control · Electrical Eng. & Systems 2025-05-13 Thomas Lee , Vineet Jagadeesan Nair , Andy Sun

In the current context of high integration of renewable energies, maximizing infrastructures capabilities for electricity transmission is a general need for Transmission System Operators (TSO). The French TSO, RTE, is developing levers to…

Optimization and Control · Mathematics 2018-12-10 Clémentine Straub , Sorin Olaru , Jean Maeght , Patrick Panciatici

In the face of extreme events, e.g., hurricanes, the transmission systems, especially the transmission lines, are affected across time and space. To mitigate these impacts on the day-ahead market from a probabilistic perspective, a…

Optimization and Control · Mathematics 2019-11-19 Tianyang Zhao , Huajun Zhang , Xiaochuan Liu , Shuhan Yao , Peng Wang

Power system operators are increasingly deploying Grid Enhancing Technologies (GETs) to mitigate operational challenges such as line and transformer congestion, and voltage violations. These technologies, including Network Topology…

Systems and Control · Electrical Eng. & Systems 2026-02-24 Junseon Park , Hyeongon Park , Rahul K. Gupta

Dynamic Line Rating (DLR) systems are crucial for renewable energy integration in transmission networks. However, traditional methods relying on sensor data face challenges due to the impracticality of installing sensors on every pole or…

Machine Learning · Computer Science 2024-05-22 Henri Manninen , Markus Lippus , Georg Rute

Integrity and reliability of a national power grid system are essential to society's development and security. Among the power grid components, transmission lines are critical due to exposure and vulnerability to severe external conditions,…

Systems and Control · Electrical Eng. & Systems 2024-06-28 Eduardo A. Barros De Moraes , Prakash KC , Mohsen Zayernouri

We developed a new integrated learning and optimization (ILO) methodology to predict context-aware unknown parameters in economic dispatch (ED), a crucial problem in power systems solved to generate optimal power dispatching decisions to…

Systems and Control · Electrical Eng. & Systems 2025-11-03 Imran Pervez , Omar Knio

Dynamic Thermal Line Rating (DLR) is deemed to be an effective way to increase transmission capacities and therefore enabling additional operational flexibility. The transmission capacities are dynamically determined based on current or…

Optimization and Control · Mathematics 2014-11-03 Matthias A. Bucher , Göran Andersson
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