Impedance Modelling and Stability Analysis of Diode-Rectifier based HVDC Connected Offshore Wind Farms

Yu, Lujie; Xu, Lie; Zhu, Jiebei; Li, Rui

doi:10.1109/tpwrd.2021.3065572

Cited by 29 publications

(3 citation statements)

References 22 publications

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“…Currently, wind power generation stands as a well-established and extensively applied method within the realm of new energy generation [1][2][3]. It boasts attributes such as effective adjustability, widespread availability of resources, and an environmentally friendly and clean profile.…”

Section: Introductionmentioning

confidence: 99%

An Active Injected Location Method for DC Fault of Wind Power Based on Parallel Energy Absorption Module

Wo,

Mei,

Diao

et al. 2024

J. Phys.: Conf. Ser.

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In recent years, the widespread adoption of wind power has been facilitated by the rapid advancements in new energy generation technology. The precise identification and efficient management of DC faults in onshore wind farms has gained increasing significance. To address issues such as limited functionality, low device utilization, and the inefficient use of fault energy prevalent in current fault location methods applied in wind power flexible grid-connected systems, this study explores the storage and reuse technology of fault energy. The article proposes a topology structure designed to absorb and reuse fault energy under multiple DC faults, aiming to overcome the challenges posed by single-function methods. The structure and control strategy of this topology are clearly delineated, and the design methodology for topology electrical parameters is thoroughly investigated. Simulation studies were conducted to validate the electrical characteristics of the employed devices and assess the operational effectiveness of the proposed topology within wind power grid-connected systems. In comparison with conventional fault location methods, the proposed scheme exhibits multiple energy absorption functions for DC faults and fault location capabilities, especially in the presence of permanent DC faults. As a result, this approach maximizes the utilization of DC fault energy, ensuring higher device efficiency and a broader spectrum of functionalities.

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Section: Introductionmentioning

confidence: 99%

An Active Injected Location Method for DC Fault of Wind Power Based on Parallel Energy Absorption Module

Wo,

Mei,

Diao

et al. 2024

J. Phys.: Conf. Ser.

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“…The paper [19] focuses on the dynamic interactions between the MMC-HVDC and the offshore wind farm based on the complete impedance model of the wind turbine. Recent research efforts [20], [21] have been applied to investigate the stability of offshore wind farms connected to HVDC by developing a detailed impedance model. Partitioning the system at the single PoC can only reveal the dynamic interaction between the wind farm and the rest of the system, while it is difficult to reveal the internal stability of the subsystem.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Power Tracking Performance and Stability Analysis of Integrated Wind-to-Hydrogen System

Mu,

Yang,

Sun

et al. 2024

Preprint

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“…The small-signal impedance model mainly includes the DQ impedance model [8][9][10], sequence impedance model [11][12][13] and phasor domain impedance model [14,15]. However, the stability analysis based on the small-signal impedance model can only evaluate the system dynamics under the small disturbance close to the static operating point.…”

Section: Introductionmentioning

confidence: 99%

Large-Signal Impedance Modeling and Stability Analysis of a Grid-Connected Inverter Considering the Influence of a Limiter in Different Control Links

Cui,

Wu,

Liu

et al. 2023

Energies

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The limiter in grid-connected inverter control may cause sustained oscillation in the system. The large-signal impedance model is provided since the traditional small-signal impedance model cannot accurately describe the characteristics of the limiter. In this paper, there are three established large-signal impedance models of grid-connected inverters that take into account the limiter in the phase-locked loop (PLL), the limiter in the current control loop and the limiter in the pulse width modulation (PWM). Based on the established models, the influences of these different limiters on the output impedance characteristics of the grid-connected inverter are discussed. Furthermore, the stability of the system considering the influence of different limiters is analyzed and the oscillation frequency and amplitude of the system are predicted. The simulation verifies the accuracy of the large-signal impedance model and the predicted oscillation frequency and amplitude.

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Impedance Modelling and Stability Analysis of Diode-Rectifier based HVDC Connected Offshore Wind Farms

Cited by 29 publications

References 22 publications

An Active Injected Location Method for DC Fault of Wind Power Based on Parallel Energy Absorption Module

An Active Injected Location Method for DC Fault of Wind Power Based on Parallel Energy Absorption Module

Dynamic Power Tracking Performance and Stability Analysis of Integrated Wind-to-Hydrogen System

Large-Signal Impedance Modeling and Stability Analysis of a Grid-Connected Inverter Considering the Influence of a Limiter in Different Control Links

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