A Novel Frequency Restoring Strategy of Hydro-PV Hybrid Microgrid

Feng Wei, Sun Kai, Yajuan Guan, Yibo Wang

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3 Citationer (Scopus)

Abstrakt

The conventional PV systems based on the voltage inverters only inject dispatched power to the utility grid when they work at a grid-connected mode in the hydro-PV hybrid microgrid. Due to the droop method employed for load sharing between generators, as well as the enormous inertia of system. The existence of frequency steady-state error and the slow active power/frequency dynamic response are inevitable. Therefore, a novel frequency restoring strategy for the hydro-PV hybrid microgrid based on the improved hierarchical control of PV systems is proposed in this paper. The output active power of PV systems is controlled by an extra frequency restoring controller resided in the tertiary control level. The frequency steady-state error is eliminated through regulating and rebalancing the power flow between the hydropower and the PV system. The proposed strategy has verified through simulations and experiments.
OriginalsprogEngelsk
TitelProceedings of the IEEE International Power Electronics and Application Conference and Exposition (IEEE PEAC'14)
Antal sider6
ForlagIEEE Press
Publikationsdatonov. 2014
Sider348 - 353
ISBN (Trykt)978-1-4799-6768-1
DOI
StatusUdgivet - nov. 2014
BegivenhedIEEE International Power Electronics and Application Conference and Exposition 2014 - Shanghai, Kina
Varighed: 5 nov. 20148 nov. 2014

Konference

KonferenceIEEE International Power Electronics and Application Conference and Exposition 2014
LandKina
ByShanghai
Periode05/11/201408/11/2014

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  • Citationsformater

    Wei, F., Kai, S., Guan, Y., & Wang, Y. (2014). A Novel Frequency Restoring Strategy of Hydro-PV Hybrid Microgrid. I Proceedings of the IEEE International Power Electronics and Application Conference and Exposition (IEEE PEAC'14) (s. 348 - 353 ). IEEE Press. https://doi.org/10.1109/PEAC.2014.7037880