Wind-Solar-BESS Dynamic Modeling Applications In Hybrid Plants: An Analysis of Electromechanical Stability Support In The Casa Nova System Case

The propagation of converter-interfaced generation (CIG) is drawing attention, due to the issues elicited by their large-scale application, and also their potential to advance more complex operational modes. In such context, a multitude of strategies for alternative sources hybridization have been e...

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Bibliographic Details
Main Authors: Cardoso Filho, Danilo Pinchemel, Medrado, Ricardo Cerqueira, Miranda, Rodrigo Lemos, Guedes Filho, Dalton Franca, De Carvalho Filho, Marcio, De Melo Filho, Jose Bione
Format: Conference Proceeding
Language:English
Subjects:
converter-interfaced generation
dynamic modeling
Electric potential
electromechanical stability
Frequency modulation
hybrid plants
Hybrid power systems
Power system dynamics
Power system stability
Stability analysis
System dynamics
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Summary:The propagation of converter-interfaced generation (CIG) is drawing attention, due to the issues elicited by their large-scale application, and also their potential to advance more complex operational modes. In such context, a multitude of strategies for alternative sources hybridization have been explored, concerned with, for example, overall intermittency attenuation or frequency and voltage support. This work evaluates the potential of support control modes for one wind, solar, and BESS hybrid plant, through the combined application of CIG devices' dynamic modeling techniques. Regarding the modeling, DQO-based controls are derived from the Western Electricity Coordinating Council generic framework, whereas an average (RMS) current source model with implemented phase-locked loop is used for the integration with the AC network (ABC signals being recovered directly from Park-Clarke transformations). The Casa Nova wind complex, in northeastern Brazil, is taken as a reference, with an equivalent system implemented on PSCAD. Although all CIG are treated as grid-following, results indicated that the frequency and voltage support controls enabled the hybrid plan to conveniently improve transient characteristics simply through dynamic modulation of active/reactive power outputs. However, in nominal terms, the improvements were relatively small due to the comparably smaller capacity of the plant.
ISSN:2572-1445
DOI:10.1109/INDUSCON58041.2023.10375029