Co-ordinated grid forming control of AC-side-connected energy storage systems for converter-interfaced generation

Chen, Junru; Liu, Muyang; Guo, Renqi; Zhao, Nan; Milano, Federico; O’Donnell, Terence

doi:10.1016/j.ijepes.2021.107201

Cited by 18 publications

(12 citation statements)

References 31 publications

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“…The BESS can be added on either the dc-side or the ac-side. As shown in Figure 2B, when the BESS is added on the dc-side, the GSC can be controlled as a GFM converter (Chen et al, 2021). Meanwhile, the MPPT control can be performed on the machine-side.…”

Section: Energy Reserving Schemes Of Wind Generatorsmentioning

confidence: 99%

“…Besides, the lifetime of the battery and the maintenance cost also need to be considered, especially for the offshore wind farm. Moreover, as shown in Figure 2C, when the BESS is added on the ac-side, the BESS can be controlled as a GFM converter (Kouassi and Francois, 2016;Chen et al, 2021;Zhao et al, 2022). Relatively, there are fewer physical restrictions for this scheme because the BESS can be placed far from the wind generators.…”

Section: Energy Reserving Schemes Of Wind Generatorsmentioning

confidence: 99%

“…As shown in Figure 3, the generalized GFM control structure consists of inner voltage/current control loops and outer power control loops, where the active power is related to the phase angle and the reactive power is related to the voltage magnitude. Besides, a voltage reference E∠θ is generated by the active power and reactive power controller at the outer loop, which can (Vidyanandan and Senroy, 2013;Ducar et al, 2017;Krpan and Kuzle, 2020;Kumar et al, 2020;Dong et al, 2021); (B) Adding an energy storage system on the dc-side (Chen et al, 2021); (C) Adding an energy storage system on the ac-side (Kouassi and Francois, 2016;Chen et al, 2021;Zhao et al, 2022).…”

Section: Generalized Gfm Control Structurementioning

confidence: 99%

“…FIGURE 2 Three possible energy reserving schemes for wind generation systems. (A) Deloading operation of the wind turbine (Vidyanandan and Senroy, 2013; Ducar et al, 2017; Krpan and Kuzle, 2020; Kumar et al, 2020; Dong et al, 2021); (B) Adding an energy storage system on the dc-side (Chen et al, 2021); (C) Adding an energy storage system on the ac-side(Kouassi and Francois, 2016;Chen et al, 2021;Zhao et al, 2022).…”

mentioning

confidence: 99%

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Challenges and potential solutions of grid-forming converters applied to wind power generation system—An overview

Huang

Zhou

et al. 2023

Front. Energy Res.

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As the capacity of wind power generation increases, grid-forming (GFM) wind turbine generators are deemed as promising solutions to support the system frequency for future low inertia power grids. So far, the GFM converter with a nearly ideal dc voltage source has been studied thoroughly. However, when the GFM converter is applied to wind power applications, there are some realistic problems and challenges, such as coordinating wind turbine control and GFM control, limited energy to support the grid, variable wind speed, etc. These problems still need more discussion. In this paper, an overview of challenges and potential solutions of GFM converters applied to wind power generation systems are provided, where different energy reserving schemes, GFM control schemes, and overcurrent protection schemes are compared and discussed. Finally, a few perspectives on future trends are shared according to the authors’ knowledge.

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Section: Energy Reserving Schemes Of Wind Generatorsmentioning

confidence: 99%

Section: Energy Reserving Schemes Of Wind Generatorsmentioning

confidence: 99%

Section: Generalized Gfm Control Structurementioning

confidence: 99%

mentioning

confidence: 99%

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Challenges and potential solutions of grid-forming converters applied to wind power generation system—An overview

Huang

Zhou

et al. 2023

Front. Energy Res.

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“…With more and more renewable energy sources integrated into power systems [1], power electronic converters (PECs), which act as the interface between renewable energy sources and power grids, have been widely used in modern power industries. For the control system of a grid-connected converter, a vital part is the grid synchronization detecting the instantaneous phase and frequency of grid voltages [2,3].…”

Section: Introductionmentioning

confidence: 99%

Optimal design of phase‐locked loop with frequency‐adaptive prefilter based on the accurate small‐signal model

Xia

Lei

Zhou

et al. 2023

IET Renewable Power Gen

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Frequency‐adaptive prefilters are widely used in the phase‐locked loop (PLL) to suppress input disturbances. However, the parameters of the PLL and prefilters are often designed separately or based on an inaccurate model. The positive feedback effect introduced by the frequency adaption (FA) is usually ignored, leading to non‐optimal performance. Based on the accurate small‐signal model with a particular focus on the FA, this paper proposes an optimal design method for these advanced PLLs. The PLL based on dual second‐order generalized integrator (DSOGI) is taken as an example to demonstrate the principle. With different gain margins, the optimal damping factors of DSOGI and PLL, as well as the natural frequency of PLL, are obtained using the proposed method. Then the global optimal parameters are obtained by evaluating the settling time and overshoot. The analysis shows that the truly optimal parameters are quite different with those provided in the literature, and the dynamic performance is significantly enhanced without degrading the steady‐state performance. Experimental results are presented to verify the theoretical analysis.

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Grid-Forming Converter and Stability Aspects of Renewable-Based Low-Inertia Power Networks: Modern Trends and Challenges

Alshahrani,

Khan,

Abido

et al. 2023

Arab J Sci Eng

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Co-ordinated grid forming control of AC-side-connected energy storage systems for converter-interfaced generation

Cited by 18 publications

References 31 publications

Challenges and potential solutions of grid-forming converters applied to wind power generation system—An overview

Challenges and potential solutions of grid-forming converters applied to wind power generation system—An overview

Optimal design of phase‐locked loop with frequency‐adaptive prefilter based on the accurate small‐signal model

Grid-Forming Converter and Stability Aspects of Renewable-Based Low-Inertia Power Networks: Modern Trends and Challenges

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