Control of an Offshore Bipole with AC Interlink Under Dedicated Metallic Return Fault to Improve Energy Availability

Smit Shukla, C. Plet, T. Soeiro
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Abstract

The power system in northern Europe supports a high degree of penetration of wind energy-based HVDC connections. Most of the modern HVDC connections will have Bipole with a dedicated metallic return (DMR) configuration. This paper presents a basic guideline to decrease the levelized cost of energy of Bipole HVDC links by attaching the offshore poles to the point of common coupling and by designing suitable control strategies. The simulations are performed in the PSCAD software. These simulation models are designed to observe large AC/DC transients and the control scheme dynamics. The results show that the studied control strategies can be applied under various real-life scenarios where the system dynamics, e.g. over-voltages, are found within the acceptable application range.
专用金属回路故障下交流联线海上双极控制提高能源可用性
北欧的电力系统支持基于风能的高压直流输电连接的高度渗透。大多数现代HVDC连接将具有专用金属回路(DMR)配置的双极子。本文提出了一种降低双极高压直流线路平准化能量成本的基本思路,即通过将近海极连接到共耦合点并设计合适的控制策略。在PSCAD软件中进行了仿真。这些仿真模型旨在观察大的交流/直流瞬态和控制方案的动力学。结果表明,所研究的控制策略可以应用于各种实际场景,其中系统动力学(例如过电压)在可接受的应用范围内。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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