南方电网技术2024，Vol.18Issue(6)：1-9,9.DOI:10.13648/j.cnki.issn1674-0629.2024.06.001
基于谐波状态空间理论的12脉动换流站阻抗建模
Impedance Modeling of 12-Pulse Converter Station Based on Harmonic State Space Theory
摘要
Abstract
In order to analyze the influence of harmonics on the stability of line commutated converter based high voltage direct current(LCC-HVDC)system.It is urgent to establish an accurate model of LCC-HVDC considering harmonic coupling.Based on the theory of harmonic state space(HSS),an impedance model of 12-pulse LCC is established considering frequency coupling effect and control system.The constructed AC/DC harmonic impedance model can match the sweep frequency results in a wider frequency band.Finally,the correctness of the proposed LCC-HSS impedance model is verified by comparing the PSCAD electromagnetic transient simulation results with the HSS impedance model calculation results.The LCC-HSS impedance modeling method improves the accuracy of mathematical modeling for LCC converter stations and can adapt to impedance modeling of LCC converter stations in various modes,providing a more accurate model for stability analysis and parameter optimization of LCC systems.关键词
谐波状态空间/高压直流输电/小信号模型/谐波阻抗Key words
harmonic state space/HVDC transmission/small signal model/harmonic impedance分类
动力与电气工程引用本文复制引用
王顺亮,谢洋,赵远,马俊鹏,彭茂兰,刘航,冯雷,黄炟超..基于谐波状态空间理论的12脉动换流站阻抗建模[J].南方电网技术,2024,18(6):1-9,9.基金项目
国家自然科学基金资助项目(51977135). Supported by the National Natural Science Foundation of China(51977135). （51977135）
