Primary Frequency Control with an Air Handling Unit
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Journal Title
Journal ISSN
Volume Title
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2024-08
Major/Subject
Mcode
Degree programme
Language
en
Pages
15
Series
Energies, Volume 2024, issue 17, pp. 1-15
Abstract
The green energy transition threatens stability of the power grid due to associated reduction in grid synchronous inertia. Primary frequency control (PFC) can compensate for the challenge; however, sufficient procurement of primary frequency capacity could depend on more extensive employment of demand-side loads for PFC. Ventilation fans in particular present a promising class of such loads because of ubiquity of variable-frequency drives and relatively slow thermal and ventilation dynamics of indoor spaces. This research proposes a novel method for PFC by an air handling unit: the open loop control is shown to have favorable dynamic characteristics, and its impact on indoor climate is shown to be tolerable. This study suggests that the largely unused primary frequency capacity of ventilation fans could be exploited to provide primary frequency response for low inertia power grids.Description
Keywords
air handling unit, frequency containment reserve, primary frequency control, variable-frequency drive
Other note
Citation
Karhula, N, Sierla, S, Ihasalo, H, Ketomäki, J, Huotari, M & Vyatkin, V 2024, ' Primary Frequency Control with an Air Handling Unit ', Energies, vol. 17, no. 15, 3777 . https://doi.org/10.3390/en17153777
