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Electrical Engineering and Systems Science > Systems and Control

arXiv:2204.12642 (eess)
[Submitted on 27 Apr 2022]

Title:Impacts of Variable-Impedance-Based Power Flow Control on Renewable Energy Integration

Authors:Omid Mirzapour, Mostafa Sahraei-Ardakani
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Abstract:The electric power grid has evolved significantly over the past two decades in response to climate change. Increased levels of renewable energy generation, as a prominent feature of this evolution, have led to new congestion patterns in the transmission network. The transmission system is originally designed for conventional energy sources, with predictable flow patterns. Insufficient transfer capability in congested transmission systems results in commitment of more expensive power plants and higher levels of renewable energy curtailment. One way to mitigate congestion is adoption of power flow control through variable-impedance flexible ac transmission system (FACTS) devices. In this paper the impacts of power flow control on generation cost, carbon emissions and renewable energy curtailment are studied under a wide range of scenarios, including generation mix from major US regional transmission organizations, and different load curves, representing seasonal variations. A two-stage stochastic unit commitment, including FACTS adjustment, is used to evaluate the impacts of FACTS devices on various types and penetration levels of renewable energy. The results show that FACTS installation effectively reduces generation cost, carbon emissions, and renewable energy curtailment. Location of renewable energy resources, peak-hour demand and the system's generation mix are among the influential factors.
Subjects: Systems and Control (eess.SY); Optimization and Control (math.OC)
Cite as: arXiv:2204.12642 [eess.SY]
  (or arXiv:2204.12642v1 [eess.SY] for this version)
  https://doi.org/10.48550/arXiv.2204.12642
Journal reference: Energy, Volume 278, 2023, 127741, ISSN 0360-5442,
Related DOI: https://doi.org/10.1016/j.energy.2023.127741

Submission history

From: Omid Mirzapour [view email]
[v1] Wed, 27 Apr 2022 00:51:13 UTC (1,480 KB)
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