Dynamic Power–Frequency Control in a Hybrid Wind-PV Plant Interlinked with AC Power System

Datta, Asoke Kumar; Koley, Indrajit; Panda, Goutam Kumar; Atoche, A. Castillo; Castillo, J. Vázquez

doi:10.1007/s42835-021-00691-y

Cited by 7 publications

(3 citation statements)

References 24 publications

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“…Moreover, a simple lag compensator can be employed to adjust the phase/gain characteristic as a data fit pitch response. The hydraulic pitch actuator (G hpa Þ and data fit pitch response (G dfr Þ are approximated in terms of transfer functions as 4,29…”

Section: Wind Turbine Systemmentioning

confidence: 99%

“…1 In line with traditional AC utilization, previously the research focus was primarily on AC microgrids. 4,5 In recent years, due to the feasible option of DC power sources namely fuel-cell, photovoltaic (PV), battery storages, etc. and numbers of power electronics and DC loads, interests on hybrid AC/DC microgrids are rising fast.…”

Section: Introductionmentioning

confidence: 99%

“…8,9 Also, numerous load-frequency control (LFC) strategies are already established for AC power systems. 4,10 Nevertheless, these techniques are not applicable directly to AC/DC microgrids as the control and optimization of such systems encompass composite actions due to the coexistence of AC and DC regions. 11,12 An inclusive study is essential for the robust and economic functioning of AC/DC hybrid microgrids.…”

Section: Introductionmentioning

confidence: 99%

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Coordinated AC frequency vs DC voltage control in a photovoltaic‐wind‐battery‐based hybrid AC / DC microgrid

Datta

Atoche

Koley³

et al. 2021

Int Trans Electr Energ Syst

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The intermittent nature of renewable energy generation and the variable AC and DC loads are major factors that offer great challenges in power management for AC/DC hybrid microgrids. In this context, this paper presents a coordinated AC frequency vs DC voltage control (CFVC) scheme for managing contemporary renewable energy-based hybrid AC/DC microgrids. The proposed control strategy enables appropriate power interactions between the AC and DC subgrids while sharing power fluctuations in a coordinated way. Both the AC and DC subgrids support each other in accordance with their normalized relative changes in AC frequency and DC voltage, respectively. The proposed CFVC scheme is designed using fractional-order-proportional-integralderivative (FOPID) controllers, and bacterial-foraging optimization (BFO) method is employed for calculating the design parameters, viz. the controller gains and set-point orders. A typical photovoltaic (PV) wind-battery-based hybrid AC/DC microgrid is modelled and investigated, and the usefulness of the proposed scheme is validated under the renewable energy variations and load perturbations.

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Section: Wind Turbine Systemmentioning

confidence: 99%