A Simple Validation of ePHASORSIM's User-Defined Model of a Virtual Synchronous Machine Suitable for Real-time Simulations
Jose M. Valles (Universidad Nacional Autónoma de México)
Francisco Gonzalez-Longatt (Loughborough University)
Cesar Angeles-Camacho (Universidad Nacional Autónoma de México)
Jose Luis Rueda Torres (TU Delft - Intelligent Electrical Power Grids)
Jose Miguel Riquelme-Dominguez (Universidad Politécnica de Madrid)
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Abstract
This paper presents a simple validation of ePHASORSIM's user-defined model of a Virtual Synchronous Machine (VSM) suitable for real-time simulations. The validation consists of a software-to-software comparison of the real-time simulator ePHASORSIM against the offline transient simulation tool PowerFactory. The comparison evaluates the models in the native library and user-defined models imported to ePHASORSIM. These user-defined models are coded in a Modelica environment and imported as a functional mock-up unit (FMU) model-the dynamic model of a voltage source converter operating as a VSM was implemented to test this functionality. A modified version of the IEEE 39-bus New England system was used for testing and validation. The time series from each (software) transient simulation were compared using the percentage error and the mean percentage error (MPE); the results demonstrate the suitability of the proposed approach.