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Voltage-Controlled Converter Emulating Synchronous Machine - Model Verification

Fig. 1. Power converter-based d-q average model of the synchronous machine, and an average d-q average model of the power converter.
This paper shows experimental verification of the converter-like synchronous machine model, showing clearly how to control power converters as a particular synchronous machine used in the testbed. The paper also shows details of the dynamic characterization of the particular generator, as well as its parameter extraction.

This paper shows how to control power converters as a particular synchronous machine used in the CPES experimental testbed by formally establishing electromechanical-electrical duality, with an understanding of which parameters of power converters relate to which parameters of this anisotropic synchronous machine. Dynamic characterization of the synchronous machine using the IEEE standstill frequency response test (SSFR) is performed and the results reported in this paper. Furthermore, a method is developed to extract machine parameters used in the converter control in order to emulate machine behavior and to verify the model by comparing results from the simulation and transient response testing of the machine.

Fig. 2. Results from the model (green) showing reasonably good matching with the experimental results (blue) obtained from the generator testbed
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