Frequency-Coupled Impedance Modeling and Resonance Analysis of DFIG-Based Offshore Wind Farm With HVDC Connection

Zhang, Yong Gang; Kärgel, Christian; Wolter, Martin

doi:10.1109/access.2020.3015614

Cited by 26 publications

(8 citation statements)

References 29 publications

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“…The impedance modeling of the DFIG system taking the sequence coupling into consideration is discussed in [144,146]. Reference [147] has discussed the frequency coupling effect on the SSR and HFR in the DFIG system. [148] put forward the modified control strategy for the DFIG system in which the frequency coupling characteristic might be avoided and the resonance in the DFIG system can be eliminated.…”

Section: Impedance-based Model Analysismentioning

confidence: 99%

Recent development and future trends of resonance in doubly fed induction generator system under weak grid

Din

Zhang

Zheng

et al. 2022

IET Renewable Power Gen

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In recent years, the wind energy conversion system faces significant challenges for stable and secure operations, especially in the weak grid due to high penetration of wind energy into the grid. Doubly fed induction generator (DFIG) is one of the most popular wind turbine generators due to its cost‐effective variable speed and low‐cost partial size power converter. Impedance interaction between series or parallel compensated weak grid and the DFIG system causes sub‐synchronous resonance (SSR) and high‐frequency resonance (HFR). A comprehensive review of the state‐of‐the‐art SSR and HFR in the DFIG system under a weak grid is presented. First, based on features, such as supplementary hardware, linear and non‐linear control strategies, the resonance damping techniques are classified into different types. Then, the advantages and disadvantages of SSR analysis and damping techniques techniques are put forward. Moreover, the latest development of state‐of‐the‐art SSR and HFR analysis and damping techniques are supplemented. Finally, the contemporary and future trends of the SSR and HFR techniques are discussed.

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Section: Impedance-based Model Analysismentioning

confidence: 99%

Recent development and future trends of resonance in doubly fed induction generator system under weak grid

Din

Zhang

Zheng

et al. 2022

IET Renewable Power Gen

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“…With the above configuration, the interaction of GFL converter, GFM converter and SM is involved in the test system. To prepare for the stability analysis, the dq-frame admittance models of SM and RES are derived referring to [30], as presented in Appendix A and Appendix B. Similarly, the three-port admittance modelling of HVDC converters through combining the control and power stage equations (including the AC-DC power balance) is conducted and validated through EMT simulations, as presented in Appendix C. Note that two DC voltage compensation modes for the modulation of HVDC converters are commonly seen in literatures [18], [31], as distinguished by constant DC voltage Udc0 compensation and instantaneous DC voltage udc compensation, as shown in in Figure 4.…”

Section: Grid Modelmentioning

confidence: 99%

Extended Nodal Admittance Matrix Based Stability Analysis of HVDC Connected AC Grids

et al. 2022

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“…Zhang et al [23] looked into resonance-induced harmonic distortion and stability difficulties at an offshore wind farm that used doubly fed induction generators and was connected to a high-voltage direct current grid. They were also able to capture its dynamic features, which they used to highlight the significance of adding frequency coupling in sub-synchronous resonance stability evaluations using MATLAB and Simulink simulations.…”

Section: Power Evacuation Perspectivementioning

confidence: 99%

Recent developments in offshore wind energy systems: Technologies and practices

Vasudevan

Kondayampalayam²,

Murugesan³

2022

IJAAS

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This paper deals with offshore wind power generation technologies, power transmission and grid communication features, and associated power system studies for effective implementation of offshore wind energy systems, explaining its various stages of implementation. Also, this paper reviews the latest trends in offshore wind energy systems, addressing various aspects like large wind farm siting, power evacuation studies, cable selection, high-voltage direct current/flexible alternating current transmission systems (HVDC/FACTS) technology options, reliability evaluation, and autonomous monitoring. India's renewable power generation capacity through off-shore wind generation is also outlined to ensure low carbon energy emissions with improved energy efficiency. The policy and regulatory framework factors for reaching five gigawatts (GW) of offshore wind projects in the states of Tamilnadu and Gujarat by the year 2032 using current methods and advanced technology are discussed here. This goal can be accomplished using current practices and advanced technologies. For effective implementation of offshore wind farms, suitable measures and likely actions by various stakeholders are suggested.

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Frequency-Coupled Impedance Modeling and Resonance Analysis of DFIG-Based Offshore Wind Farm With HVDC Connection

Abstract: The author Yonggang Zhang thanks for the financial support from China Scholarship Council (CSC File No.201608320229).

Cited by 26 publications

References 29 publications

Recent development and future trends of resonance in doubly fed induction generator system under weak grid

Recent development and future trends of resonance in doubly fed induction generator system under weak grid

Extended Nodal Admittance Matrix Based Stability Analysis of HVDC Connected AC Grids

Recent developments in offshore wind energy systems: Technologies and practices

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