External inertia emulation controller for grid-following power converter
Visualitza/Obre
Cita com:
hdl:2117/358409
Tipus de documentArticle
Data publicació2021
Condicions d'accésAccés obert
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Abstract
The advent of renewable energy has posed difficulties in the operation of power systems whose net inertia is becoming critically low. To face such challenges, grid-forming power has been one of the potential solutions pursued by the industry and research community. Although promising, grid-forming power converters are still immature for mass deployment in power systems. In the meanwhile, an enormous amount of grid-following power converters has been underexploited when it comes to grid-supporting functionalities. Therefore, this article proposes an external inertia emulation controller (eIEC) for grid-following power converter to provide frequency support to the grid. For the purpose of minimizing installation efforts and resources, the controller is designed in such a way that it can be implemented in an external controller communicating with the grid-following power converter via an industrial communication link. This article also investigates the effect of communication delay on the stability performance of the proposed controller. In addition to the detailed analysis, hardware-in-the-loop experiments are also carried out to validate the proposed eIEC.
CitacióLai, N. [et al.]. External inertia emulation controller for grid-following power converter. "IEEE transactions on industry applications", 2021, vol. 57, núm. 6, p. 6568-6576.
ISSN0093-9994
Versió de l'editorhttps://ieeexplore.ieee.org/document/9525198
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