DRU-HVDC for offshore wind power transmission: A review
2024年7月18日 · This review paper focuses on the diode-rectifier-unit based high voltage direct current (DRU-HVDC) transmission systems. The main technical features of DRU-HVDC are highlighted and the comparisons with MMC-HVDC and LCC-HVDC are conducted.
Current-controlled offshore wind turbines connected with DRU-HVDC
Diode-rectifier-unit based HVDC (DRU-HVDC) is a potential way to address this issue. For such a system, the control of the line-side-converter of wind turbines plays a key role on its reliable operation.
Operation of offshore wind farms connected with DRU-HVDC …
2018年12月1日 · The diode rectifier unit (DRU)-based high-voltage DC (DRU-HVDC) system is a promising solution for offshore wind energy transmission thanks to its compact design, high efficiency, and strong reliability.
Voltage-power Relationship for DRU-HVDC Connected OWF System
Abstract: In order to pair control variables following the system properties for designing grid-forming wind turbines in the diode rectifier unit(DRU)- high-voltage direct current(HVDC) connected offshore wind farm (OWF) with controlled hydrogen electrolysis and small grid connection onshore, both steady-state and small-signal relationship ...
A Novel Scheme for DRU-HVDC Transmitted Offshore Wind Farm
Abstract: The diode rectifier unit-based high voltage direct current (DRU-HVDC) transmission is increasingly considered a cost-effective alternative to the modular multilevel converter (MMC)-HVDC transmission for the integration of large-scale offshore wind farms (OWFs). However, only the case where the onshore MMC controls the DC voltage has ...
2024年7月19日 · In order to reduce the cost and improve the reliability of remote offshore wind farm integration, diode-rectifier-unit based HVDC (DRU-HVDC) is proposed, which replaces the offshore MMC by diode rectifier units.
Hybrid bipolar VSC-DRU HVdc connection for offshore wind farms
2023年9月1日 · Recently, there has been an increasing interest in considering the use of diode rectifier units in HVdc links (DRU-HVdc) given its lower cost and losses and higher reliability compared to VSC-HVdc. Replacing the VSC with the DRU has the potential to get a 80% reduction in the offshore HVdc rectifier platform volume and 30% reduction in total ...
远海风电DRU-HVDC送出系统构网控制与启动方法综述 - 百度学术
随着海上风电开发的不断规模化和远海化,海上风电直流送出技术成为研究热点.针对低成本的二极管整流单元 (DRU)型高压直流 (HVDC)输电,重点指出了分布式DRU在均压,部分退出运行等方面的主要技术特点,论述了该技术与柔性直流送出,传统直流输电的差异.由于DRU的不可控性,海上电网的构建须由风电机组通过自身控制实现.因此,对现有研究的风电机组集中式和分散式构网控制进行详细综述,并对全构网型控制采用P-V和Q-f功率控制机理进行风电场-DRU层面以及风电机组层面 …
远海风电DRU-HVDC 送出系统构网控制与启动方法综述
2024年1月18日 · 为了更好地说明dru-hvdc 的技术特点，将dru-hvdc 与柔性直流输电、传统直流输电（lcc-hvdc）技术在拓扑结构、控制策略、经济性以及适用领域方面进行对比。
DRU-HVDC for offshore wind power transmission: A review
2024年7月18日 · This review paper highlights the main technical features of diode-rectifier-unit based high voltage direct current (DRU-HVDC) and reviews the existing decentralized and centralized control strategies...