Integration of New Technology Considering the Trade-Offs Between Operational Benefits and Risks: A Case Study of Dynamic Line Rating

McJunkin, Timothy R.; Le Blanc, Katya L.; Li, Ruixuan; Abboud, Alexander W.; Phillips, Tyler

doi:10.1109/tpwrd.2024.3517536

Integration of New Technology Considering the Trade-Offs Between Operational Benefits and Risks: A Case Study of Dynamic Line Rating

Journal Article · Wed Dec 18 00:00:00 EST 2024 · IEEE Transactions on Power Delivery

DOI:https://doi.org/10.1109/tpwrd.2024.3517536· OSTI ID:2564717

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Idaho National Laboratory (INL), Idaho Falls, ID (United States)
Honeywell International Inc., Broomfield, CO (United States)

Electric grid operators are adept at handling complexity and uncertainty. However, with increasing introduction of renewable generation, distributed energy resources, and more frequent severe weather events, operators will experience new workload and challenging decision scenarios. Here, this paper quantifies risks and benefits from an operator's perspective of introducing weather based forecast Dynamic Line Ratings (DLR) using variable wind conditions in addition to ambient temperature to relieve transmission congestion and facilitating more offshore wind (OSW). A concept of operations (CONOPS) applied to a forecast DLR implementation and its integration with OSW is defined. A method for evaluating tradeoffs of derating to make the rating more conservative but decreasing the benefit was developed and applied to a case study for two existing overhead transmission lines on Long Island, New York. The CONOPS uses historical day-ahead and hour-ahead High Resolution Rapid Refresh weather forecasts and weather station data to support planning and real-time operations. The analysis determines the risk of downgrades in real-time operational rating compared to the forecast and quantifies the frequency and severity of last-minute downgrades. The risk is compared against the benefits in increased capacity to provide insights on the additional amount of uncertainty DLR and OSW will add to the operator's workload.

View Accepted Manuscript (DOE)

Research Organization:: Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Sponsoring Organization:: USDOE Office of Electricity (OE)

Grant/Contract Number:: AC07-05ID14517

OSTI ID:: 2564717

Report Number(s):: INL/JOU--23-75714-Rev000

Journal Information:: IEEE Transactions on Power Delivery, Journal Name: IEEE Transactions on Power Delivery Journal Issue: 2 Vol. 40; ISSN 0885-8977

Publisher:: IEEECopyright Statement

Country of Publication:: United States

Language:: English

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