基于PCHD模型的VSC-HVDC的无源控制及<br/>滑模辅助改进控制

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摘要无源控制因具有全局稳定性且不存在奇异点,逐渐被应用到基于电压源换流器的高压直流输电(VSC-HVDC)控制中。提出一种设计方法较为简单的基于端口受控耗散哈密顿系统(PCHD)模型的无源控制策略,然后加入辅助滑模控制以提高其鲁棒性。在Matlab/Simulink中的仿真实验表明,所提两种控制策略与优化后的PI控制策略相比,具有较好的动态性和鲁棒性。

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	钱甜甜
	苗世洪
	刘子文
	冉晓洪
	吴英杰

关键词 ：柔性直流输电系统, 无源控制, 鲁棒性, 动态性

Abstract：Because of its global stability and singular-point-free property,The passivity based control (PBC) is gradually applied to the voltage sourced converter based high voltage direct current (VSC-HVDC) control system.A relatively simple port controlled hamiltonian with dissipation (PCHD) based PBC control strategy is proposed in this paper.And then an auxiliary sliding mode control strategy is used to enhance the robustness of the strategy.The simulation results in Matlab/Simulink prove that the proposed two strategies have better robustness and dynamic performance comparing to the PI controller.

Key words： Voltage sourced converter based HVDC passivity based control robustness dynamics performance

收稿日期: 2015-02-03 出版日期: 2016-02-25

PACS:

TM72

基金资助:国家自然科学基金资助项目(51377068)。

作者简介: 钱甜甜女,1990年生,博士研究生,研究方向为交直流输电及其控制。E-mail:qiantiantian@hust.edu.cn苗世洪男,1963年生,博士,教授,博士生导师,研究方向为电力系统继电保护与运行控制、微电网与配电网新技术等。E-mail:shmiao@hust.edu.cn

引用本文:

钱甜甜,苗世洪,刘子文,冉晓洪,吴英杰. 基于PCHD模型的VSC-HVDC的无源控制及
滑模辅助改进控制[J]. 电工技术学报, 2016, 31(3): 138-144. Qian Tiantian ，Miao Shihong， Liu Ziwen，Ran Xiaohong， Wu Yingjie. Passive Control and Auxiliary Sliding Mode Control Strategy for VSC-HVDC System Based on PCHD Model. Transactions of China Electrotechnical Society, 2016, 31(3): 138-144.

链接本文:

https://dgjsxb.ces-transaction.com/CN/Y2016/V31/I3/138

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