dq0轴vdc - hvdc变换器模型分析及鲁棒控制设计

2008 Third International Conference on Electric Utility Deregulation and Restructuring and Power Technologies Pub Date : 2008-04-06 DOI:10.1109/DRPT.2008.4523697

Wenze Liu, Z. Cai

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引用次数: 7

摘要

为了提供良好的动态性能，提高电力系统的抗干扰能力，考虑未建模扰动的影响，本文建立了具有dqO轴的直流直流系统的动态模型。带dqO轴的模型的优点是所连接的交流电源系统的有功功率和无功功率可以独立调节，方便了基于带dqO轴的vdc - hvdc状态函数的控制器设计。作为实例，提出了一种鲁棒控制器来分析具有dqO轴的vdc - hvdc模型控制方法的特点。

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Model analysis and robust control design of VSC-HVDC converter with dq0 axis

To provide good dynamic performance and improve the anti-disturbances ability of power system, considering the effects of the unmodeled disturbances, a dynamic model of VSC-HVDC system with dqO axis is introduced in this paper. The advantage of the model with dqO axis is the active power and the reactive power of the connecting AC power system can be adjusted independently, which is convenient for the controller design based on the state function of the VSC-HVDC with dqO axis. As a illustration, a robust controller is proposed to analyze the characteristics of the control approach for the model of VSC-HVDC with dqO axis.

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2008 Third International Conference on Electric Utility Deregulation and Restructuring and Power Technologies

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