Centrala begrepp
Balancing wildfire risk and load shed in power systems requires accurate power flow formulations.
Sammanfattning
The content discusses the Optimal Power Shutoff (OPS) problem, evaluating different power flow formulations (DC, AC, SOC, NF) for reducing wildfire risk while minimizing load shed. It explores the accuracy and trade-offs of these formulations, highlighting the need for improved solution methods.
I. Introduction
- OPS problem aims to reduce wildfire risk.
- Prior work uses DC power flow approximation.
II. Optimal Power Shutoff Problem Formulation
- Introduces OPS with AC, SOC, DC, and NF power flow formulations.
- Defines objectives, constraints, and generation constraints.
III. Recovering AC Feasible Solutions
- Discusses the AC-Redispatch problem to recover AC-feasible power flow solutions.
IV. Case Study
- Evaluates solution quality and time for different power flow formulations.
- Analyzes results for IEEE 14 bus case and PGLib test cases.
V. Conclusion
- Highlights the challenges and trade-offs in solution quality and time for power flow formulations in OPS problems.
Statistik
The DC approximation overestimates the amount of load that can be served.
The SOC-based formulations provide the best accuracy-quality trade-off.
The AC-Redispatch problem is used to recover AC-feasible power flow solutions.
Citat
"The DC approximation overestimates the amount of load that can be served."
"The SOC-based formulations seem to provide the best accuracy-quality trade-off."