A genetic approach to design a HVDC supplementary subsynchronous damping controller

Quanyuan Jiang Quanyuan Jiang,Shijie Cheng Shijie Cheng,Yijia Cao Yijia Cao

doi:10.1109/icpst.2002.1053598

A genetic approach to design a HVDC supplementary subsynchronous damping controller

Quanyuan Jiang Quanyuan Jiang, Shijie Cheng Shijie Cheng + Show 1 more

https://doi.org/10.1109/icpst.2002.1053598

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Publication Date: Oct 13, 2002

Citations: 7

Affiliation: Huazhong University of Science and Technology, Zhejiang University of Science and Technology

#Supplementary Subsynchronous Damping Controller #Supplementary Damping Controller + Show 8 more

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Abstract

A novel approach based on genetic search is presented for the design of a supplementary subsynchronous damping controller (SSDC) that is capable of damping out subsynchronous oscillation (SSO) in a parallel AC/DC transmission system. The problem of selecting the parameters of the SSDC is converted to a minimax optimization problem, which is solved by genetic algorithms with an eigenvalue-based objective function. The aim of the proposed control strategy is to choose the best controller parameters in such a way that the dominant eigenvalues of the closed-loop system are shifted to the left-hand side of s-plane as far as possible. Both the eigenvalue analysis and the detailed simulation results demonstrate the effectiveness of the proposed SSDC.

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