Thermoelectromagnetic Lumped-Parameter Model of High Temperature Superconductor Generators for Transient Stability Analysis

A refined dynamic lumped-parameter model of a REBCO field coil synchronous generator including details of the thermoelectromagnetic phenomenology of the superconductor has been developed in the classic dq0 frame of reference. The idea is to build a generic modelling framework that can be used in pow...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2021-08, Vol.31 (5), p.1-5
Main Authors: Baez-Munoz, Alejandro, Trillaud, Frederic, Rodriguez-Rodriguez, Juan Ramon, Castro, Luis M., Escarela-Perez, Rafael
Format: Article
Language:English
Subjects:
Dynamic stability
Field coils
High temperature superconductors
HTS hybrid synchronous generator
Mathematical models
Parameters
Phenomenology
Power system modeling
Power system stability
Short circuits
Stability analysis
Synchronous generators
Systems engineering
thermo-electromagnetic model
three-phase short circuit
Transient analysis
Transient stability
Windpowered generators
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Summary:A refined dynamic lumped-parameter model of a REBCO field coil synchronous generator including details of the thermoelectromagnetic phenomenology of the superconductor has been developed in the classic dq0 frame of reference. The idea is to build a generic modelling framework that can be used in power systems engineering studies to infer trends on the behavior of HTS field coil machines in power grids. In the present work, the transient stability of a hybrid High Temperature Superconducting (HTS) generator is analyzed under the most severe operating condition applying a three-phase short circuit at its terminals. For the study, we chose the parameters of a wind generator at 1 MW. Two cases are considered: 1) no full transition of the HTS to the normal-resistive state under stable condition, 2) full transition of the HTS under unstable condition. The response of the HTS machine is compared against that of a conventional machine.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2021.3060696