Design of Additional Damping Eckermann Controller for the HVDC Transmission System

ZHU Xianliang; DAI Tao; YANG Haibo; XU En; WANG Haihao

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Design of Additional Damping Eckermann Controller for the HVDC Transmission System

更新时间：2025-04-27

- Design of Additional Damping Eckermann Controller for the HVDC Transmission System
- Vol. 40, Issue 6, Pages: 20-26(2021)
- 作者机构：
  
  国网浙江省电力有限公司舟山供电公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM721.1
- Published：2021
- 稿件说明：
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ZHU Xianliang, DAI Tao, YANG Haibo, et al. Design of Additional Damping Eckermann Controller for the HVDC Transmission System[J]. 2021, 40(6): 20-26.
DOI：

ZHU Xianliang, DAI Tao, YANG Haibo, et al. Design of Additional Damping Eckermann Controller for the HVDC Transmission System[J]. 2021, 40(6): 20-26. DOI：

摘要

为提升HVDC(高压直流输电)的输电水平

同时抑制低频与次同步振荡

提出了一种多通道附加频率爱克曼控制策略。为减少控制信号之间的相互耦合

在每个通道添加butterworth(巴特沃兹)带通滤波器

每种模态的信号在各个通道里单独定位运行。利用改进的最小二乘旋转不变辨识算法

辨识出系统在不同振荡模态下的传递函数。利用附加频率爱克曼控制法针对不同的振荡模态

设计出各自的控制器。PSCAD/EMTDC仿真表明

附加频率爱克曼控制器对于不同振荡模态均能发挥较好的抑制作用

鲁棒性较好。

Abstract

To improve the HVDC transmission level and suppress the low frequency and synchronous oscillation

this paper proposes a multi-channel additional frequency eckermann control strategy.To reduce the mutual coupling between the control signal

by adding butterworth band-pass filter in each channel

the orientation signal of each modal runs in each channel separately.Using improved TLS-ESPRIT recognition algorithm

identifies the transfer functions of the system under different oscillation modes.Using the additional frequency eckermann control method

designs the controller for different oscillatory modes.The PSCAD/EMTDC simulation shows that the additional frequency eckermann controller can suppress different oscillation modes well and has good robustness.

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