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Готові списки джерел за темами / Onshore AC fault

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Добірка наукової літератури з теми "Onshore AC fault"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Onshore AC fault"

1

Arulampalam, A., G. Ramtharan, N. Caliao, J. B. Ekanayake, and N. Jenkins. "Simulated Onshore-Fault Ride through of Offshore Wind Farms Connected through VSC HVDC." Wind Engineering 32, no. 2 (2008): 103–13. http://dx.doi.org/10.1260/030952408784815781.

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Анотація:

Effective Onshore-Fault Ride Through was demonstrated by simulation for a Fixed Speed Induction Generator (FSIG) offshore wind farm connected through a Voltage Source Converter HVDC link. When a terrestrial grid fault occurs, power through the onshore converter reduces and the DC link voltage increases. A control system was then used to block the offshore converter. The offshore AC network voltage was reduced to achieve rapid power rejection. Reactive power at the onshore converter was controlled to support the AC network voltage according to the GB Grid Code requirements. Two cases, a 200 ms

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2

Kumar, Dileep, Wajiha Shireen, and Nanik Ram. "Grid Integration of Offshore Wind Energy: A Review on Fault Ride Through Techniques for MMC-HVDC Systems." Energies 17, no. 21 (2024): 5308. http://dx.doi.org/10.3390/en17215308.

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Анотація:

Over the past few decades, wind energy has expanded to become a widespread, clean, and sustainable energy source. However, integrating offshore wind energy with the onshore AC grids presents many stability and control challenges that hinder the reliability and resilience of AC grids, particularly during faults. To address this issue, current grid codes require offshore wind farms (OWFs) to remain connected during and after faults. This requirement is challenging because, depending on the fault location and power flow direction, DC link over- or under-voltage can occur, potentially leading to t

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3

Xie, Lijun, Fan Cheng, and Jing Wu. "Control Strategy for Offshore Wind Farms with DC Collection System Based on Series-Connected Diode Rectifier." Sustainability 14, no. 13 (2022): 7860. http://dx.doi.org/10.3390/su14137860.

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Анотація:

The DR-HVDC (Diode rectifier-based HVDC) transmission topology was recently proposed for integration on large offshore wind farms due to its low investment cost and high reliability. To further reduce the investment, a DC collection topology based on the series-connected diode rectifiers (DR) is proposed, where no offshore platform is needed. However, units of series-connected topology (SCU) show coupling issues, such as overvoltage, energy curtailment, and fault isolation. First, the coupling mechanism is analyzed, and a suitable operation mode for SCUs is selected to ensure the safe operatio

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4

Xie, Lijun, Zhengang Lu, Ruixiang Hao, Bao Liu, and Yingpei Wang. "Topology and Control Strategies for Offshore Wind Farms with DC Collection Systems Based on Parallel–Series Connected and Distributed Diodes." Applied Sciences 15, no. 11 (2025): 6166. https://doi.org/10.3390/app15116166.

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Анотація:

A diode-based rectifier (DR) is an attractive transmission technology for offshore wind farms, which reduces the volume of large bulk platforms. A novel parallel–series DC wind farm based on a distributed DR is proposed, which meets the requirements of high voltage and high power with an isolation capability from other units. The coupling mechanism between a modular multilevel converter (MMC) and a DR has been built, and the coordinate control strategy for the whole system has been proposed based on the MMC triple control targets with intermediate variables. Under the proposed control strategy

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5

Lin, Chi Hsiang. "The Impact of Integration of the VSC-HVDC Connected Offshore Wind Farm on Torsional Vibrations of Steam Turbine Generators." Sustainability 15, no. 1 (2022): 197. http://dx.doi.org/10.3390/su15010197.

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Анотація:

For remote offshore wind farms, transmitting power to the main onshore grid via a Voltage Source Converter High Voltage Direct Current (VSC-HVDC) system is the mainstream of power transmission. It is not only cost-effective in long-distance transmission, but also can fully meet the grid side requirements such as black start, voltage support, fault ride through and frequency support. However, it still has some problems, such as the possible impact on the power grid needing to be paid attention to. In this paper, its impact on the torsional responses of turbine generator units neighboring to the

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6

Ibaceta, Efrain, Matias Diaz, Saravanakumar Rajendran, Yeiner Arias, Roberto Cárdenas, and Jose Rodriguez. "Experimental Assessment of a Decentralized Control Strategy for a Back-to-Back Modular Multilevel Converter Operating in Low-Frequency AC Transmission." Processes 12, no. 1 (2024): 155. http://dx.doi.org/10.3390/pr12010155.

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Анотація:

The Modular Multilevel Converter (MMC) has been widely used in high-power applications owing to its inherent advantages, including scalability, modularity, high-power density, and fault tolerance. MMCs have recently been used in Low-Frequency Alternating Current (LFAC) transmission, particularly in the integration of offshore wind power with onshore grids. However, LFAC applications produce significant voltage oscillations in floating capacitor voltages within the MMC. Early research efforts have successfully established and validated decoupled control strategies for LFAC-based MMC systems. Ho

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7

Sang, Yiyan, Bo Yang, Hongchun Shu, Na An, Fang Zeng, and Tao Yu. "Fault Ride-Through Capability Enhancement of Type-4 WECS in Offshore Wind Farm via Nonlinear Adaptive Control of VSC-HVDC." Processes 7, no. 8 (2019): 540. http://dx.doi.org/10.3390/pr7080540.

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Анотація:

This paper proposes a perturbation estimation-based nonlinear adaptive control (NAC) for a voltage-source converter-based high voltage direct current (VSC-HVDC) system which is applied to interconnect offshore large-scale wind farms to the onshore main grid in order to enhance the fault ride-through (FRT) capability of Type-4 wind energy conversion systems (WECS). The VSC-HVDC power transmission system is regraded as a favourable solution for interconnecting offshore wind farms. To improve the FRT capability of offshore power plants, a de-loading strategy is investigated with novel advanced co

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8

Abubakr, Hussein, Abderezak Lashab, Tarek Hassan Mohamed, Juan C. Vasquez, Josep M. Guerrero, and Yasser Ahmed Dahab. "Robust SMC-PSS and AVR design: A grid connected solar concentrated OTEC system application." PLOS ONE 18, no. 12 (2023): e0295941. http://dx.doi.org/10.1371/journal.pone.0295941.

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Анотація:

This work analyzes the stability and performance of an offshore solar-concentrated ocean thermal energy conversion system (SC-OTEC) tied to an onshore AC grid. The OTEC is a system where electricity is generated using small temperature differences between the warm surface and deep cold ocean water. Existing control methods for SC-OTEC systems lack coordination, hindering dynamic stability and effective damping for the synchronous generator (SG). These methods struggle to quickly adapt to sudden disturbances and lack the capability to adequately reject or compensate for such disturbances due to

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9

Herrmann, Michael, Merlin Alkemper, and Lutz Hofmann. "Analysis of Onshore Synthetic Inertia and Primary Control Reserve Contributions of Alternating Current-Side Meshed Offshore Grids with Voltage-Source Converter and Diode Rectifier Unit High-Voltage Direct Current Connections." Energies 16, no. 18 (2023): 6700. http://dx.doi.org/10.3390/en16186700.

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Анотація:

The increasing use of renewable energy sources in place of conventional generation units is leading to a reduction in onshore inertia and to the development of offshore wind park grids connected by multiple high-voltage direct current (HVDC) connections to the onshore alternating current (AC) grid. For AC-side meshed offshore grids with voltage-source converter (VSC) and diode rectifier unit (DRU) HVDC connections towards onshore grids, this study focuses on the energetic feasibility of synthetic inertia (SI) and primary control reserve (PCR) contributions triggered locally at the onshore conv

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10

Huang, Kai, Lie Xu, and Guangchen Liu. "A Diode-MMC AC/DC Hub for Connecting Offshore Wind Farm and Offshore Production Platform." Energies 14, no. 13 (2021): 3759. http://dx.doi.org/10.3390/en14133759.

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Анотація:

A diode rectifier-modular multilevel converter AC/DC hub (DR-MMC Hub) is proposed to integrate offshore wind power to the onshore DC network and offshore production platforms (e.g., oil/gas and hydrogen production plants) with different DC voltage levels. The DR and MMCs are connected in parallel at the offshore AC collection network to integrate offshore wind power, and in series at the DC terminals of the offshore production platform and the onshore DC network. Compared with conventional parallel-connected DR-MMC HVDC systems, the proposed DR-MMC hub reduces the required MMC converter rating

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Більше джерел

Тези доповідей конференцій з теми "Onshore AC fault"

1

Shi, Xiaojie, Yalong Li, Leon M. Tolbert, and Fred Wang. "Cascaded droop control for dc overvoltage suppression in a multi-terminal HVDC system under onshore side AC faults." In 2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC 2016 - ECCE Asia). IEEE, 2016. http://dx.doi.org/10.1109/ipemc.2016.7512876.

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