RT Journal Article
T1 Evaluation of numerical methods for TSCOPF in a large interconnected system
A1 Aghahassani, Mohammadamin
A1 Castronuovo, Edgardo Daniel
A1 Ledesma Larrea, Pablo
A1 Arredondo Rodríguez, Francisco
AB Transient stability-constrained optimal power flow (TSCOPF) models comprehensively analyze the security and economic operation of power systems. However, they require a high computational effort and can suffer from convergence problems when applied to large systems. This study analyzes the performance of eleven numerical integration algorithms applied to ordinary differential equations that represent power system dynamics in a TSCOPF model. The analyzed algorithms cover a range of explicit and implicit methods, including the recently published semi-explicit and semi-implicit Adams-Bashforth-Moulton formulas, together with several initialization techniques. The integration methods are applied to a model of the Iberian Peninsula power system, and their performance is discussed in terms of convergence, accuracy, and computational effort. The results show that most implicit methods converge to the solution, even for large time steps. In particular, the Adams-Moulton method of order two and Simpson's rule, both initialized with RK4, outperform the trapezoidal rule, which is the default method in TSCOPF models.
PB IEEE
SN 2169-3536
YR 2022
FD 2022-06-30
LK https://hdl.handle.net/10016/36549
UL https://hdl.handle.net/10016/36549
LA eng
NO This work was supported by the Spanish Agencia Estatal de Investigación under Project PID2019-104449RB-I00 and Project AEI/10.13039/501100011033.
DS e-Archivo
RD 27 jul. 2024