Research on harmonic impedance model and harmonic interaction of multiple converter station system with AC filters

被引：0
|
作者：
Guo C. [1 ]
Xu X. [2 ]
Zhang C. [1 ]
Yang L. [1 ]
Ma K. [1 ]
Jiang W. [3 ]
机构：
[1] State Key Laboratory for Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing
[2] Quzhou Power Supply Company, State Grid Zhejiang Electric Power Co.,Ltd., Quzhou
[3] State Grid Economic and Technological Research Institute, Beijing
来源：
| 1600年 / Electric Power Automation Equipment Press卷 / 40期
关键词：
Characteristic harmonics; Harmonic analysis; Harmonic impedance; Interaction of harmonic current; Multiple converter stations; Switching filters;
D O I：
10.16081/j.epae.202008036
中图分类号：
学科分类号：
摘要：
When multiple converter stations are located in the adjacent AC networks,the electrical distance between the converter stations is short,and some specific AC filter combination switching methods may cause the harmonic current interaction between converter stations. Based on the harmonic impedance method,the influence coefficient of harmonic current in converter stations is defined,which is used to calculate the interactive influence degree of harmonic current between converter stations. Taking the multiple converter station system composed of Yinchuandong Station and Lingzhou Station as an example,the harmonic impe-dance model with AC filter is established to calculate the harmonic current influence coefficient of characteristic harmonics,and the influence of AC filter combination switching on the harmonic current interaction between Yinchuandong Station and Lingzhou Station is analyzed. The result shows that the interaction of 11th and 13th harmonic currents is small while the interaction of 23rd and 25th harmonic currents is relatively large,and the switching of specific filters will cause significant changes in harmonic current of AC bus in each converter station. Finally,the PSCAD electromagnetic transient simulation model is built to verify the analysis results. © 2020, Electric Power Automation Equipment Press. All right reserved.
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页码：187 / 193
页数：6
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