Data for paper "Mitigation of Subsynchronous Control Interactions Using Multi-Terminal DC Systems"

This PDF file contains the models and data of the case study used in the manuscript "Mitigation of Subsynchronous Control Interactions Using Multi-Terminal DC Systems"Abstract: This article presents a control strategy to mitigate subsynchronous control interactions in doubly-fed induction generator (DFIG)-based wind farms. The strategy makes use of a multi-terminal dc (MTDC) system to damp subsynchronous oscillations (SSOs) by adding a supplementary damping control (SDC) to MTDCgrid converters. The SDC is focused on stations with modular multilevel converters. This converter topology currently allows the integration of several high-voltage and high-power MTDC applications into modern power systems. Additionally, the case in which SDCs are added to both MTDC grid converters and DFIG converters is analyzed. The SDC is designed using an identified model of the system. The identification method injects probing signals from the converter terminals and obtains an identified model by measuring the response of the system. This method facilitates the control tuning and implementation of the SDC in practical systems in which either the equations and parameters of some equipment can be difficult to know precisely or the model of commercial equipment is not available.

本PDF文件包含了用于手稿《利用多端直流系统减轻双馈感应发电机（DFIG）风场中的次同步控制交互作用》中案例研究的模型和数据。摘要：本文提出了一种控制策略，以减轻基于双馈感应发电机（DFIG）的风场中的次同步控制交互作用。该策略通过在多端直流（MTDC）电网转换器中添加补充阻尼控制（SDC）来抑制次同步振荡（SSOs）。SDC主要针对具有模块化多电平转换器的电站。当前，该转换器拓扑结构允许将多个高压、高功率的MTDC应用集成到现代电力系统中。此外，还分析了将SDC添加到MTDC电网转换器和DFIG转换器的情况。SDC的设计基于系统的识别模型。识别方法通过从转换器端注入探测信号，并通过测量系统的响应来获得识别模型。此方法简化了控制调节和SDC在实际系统中的应用，在这些系统中，某些设备的方程和参数可能难以精确知晓，或者商业设备的模型不可用。