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首页> 外文期刊>Electric power systems research >A receding horizon approach to incorporate frequency support into the AC/DC converters of a multi-terminal DC grid
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A receding horizon approach to incorporate frequency support into the AC/DC converters of a multi-terminal DC grid

机译：渐进式方法将频率支持合并到多端子DC电网的AC / DC转换器中

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This paper proposes a novel control scheme for provision of frequency support among asynchronous AC areas through HVDC grids. It is based on local controllers, each acting on a voltage source converter, using local measurements only, and supporting frequency of the adjacent AC area after a significant disturbance. The new discrete control is combined with the existing DC voltage droop technique. The formulation, inspired of Receding Horizon Control, enables providing to the AC area the desired frequency support, while at the same time taking into account various constraints, such as maintaining the DC voltage between secure operating limits. Examples obtained from a test system with a five-terminal DC network connecting two asynchronous areas demonstrate the effectiveness and robustness of the proposed control scheme in various scenarios, with emphasis on component failures. (C) 2017 Elsevier B.V. All rights reserved.
机译：本文提出了一种新颖的控制方案，用于通过HVDC电网在异步AC区域之间提供频率支持。它基于本地控制器，每个控制器都作用于电压源转换器，仅使用本地测量值，并在发生严重干扰后支持相邻交流区域的频率。新的离散控制与现有的直流电压下降技术相结合。该设计灵感来自水平后退控制，可为交流区域提供所需的频率支持，同时考虑到各种限制因素，例如将直流电压保持在安全的工作极限之间。从具有连接两个异步区域的五端DC网络的测试系统获得的示例证明了所提出的控制方案在各种情况下的有效性和鲁棒性，并着重于组件故障。 （C）2017 Elsevier B.V.保留所有权利。

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