August 18, 2025EnergiesOpen Access

Numerically Enhanced Interfacings for Average-Value Models of Voltage-Source Converters in Nodal-Based EMT Simulators

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New formulations improve numerical accuracy in simulations of converter-dominated power systems, indicating better performance for larger time steps.

New formulations eliminate time-step delays in average-value models, enhancing numerical stability.
Simulations demonstrated improved performance of voltage-source converters in PSCAD, showing better accuracy with larger time steps.
Analysis focuses on nodal-based electromagnetic transient techniques, aiming to optimize power system simulations.
The proposed methods could advance simulation reliability, especially in converter-dominated microgrids and power systems.

Ebrahimi et al. (2025) studied this question.

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New formulations improve numerical accuracy in simulations of converter-dominated power systems, indicating better performance for larger time steps.