Modelling and analysis of LCC‐HVDC converter station for harmonic coupling of AC/DC power grid during geomagnetic storm

Author:

Peihong Yang1,Xiaoyong Han1,Hui Jiang1,Xizhi Shi1ORCID,Zilei Zhang1,Chunming Liu2,Lianguang Liu2

Affiliation:

1. School of Information Engineering Inner Mongolia University of Science and Technology Baotou China

2. School of Electrical and Electronic Engineering North China Electric Power University Beijing China

Abstract

AbstractIn this paper, the problem of harmonic coupling between the converter transformer and the converter under the action of geomagnetically induced current (GIC) is proposed to be investigated. Firstly, a model of a 12‐pulse line commutated converter high voltage direct current (LCC‐HVDC) converter station based on harmonic state space (HSS) theory is established. Secondly, the harmonic components of the interaction between the AC‐side harmonic current and the DC‐side harmonic voltage are qualitatively analyzed by using the harmonic modulation theory. Through the simulation model and harmonic state space (HSS) calculation model, the harmonic coupling characteristics of power grid are analyzed. Finally, the harmonic current and voltage amplitude of AC / DC power grid under different GIC are calculated, and the characteristics and rules of AC / DC harmonic propagation are revealed. Among them, the amplitude of the 2nd harmonic current on the AC side and the 3rd harmonic current on the DC side increases linearly with the GIC. In addition, the 3rd and 9th harmonics on the AC side are also greatly affected by the magnetic bias of the converter.

Funder

National Natural Science Foundation of China

Publisher

Institution of Engineering and Technology (IET)

Subject

Electrical and Electronic Engineering

Reference29 articles.

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Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. UHV AC/DC power grid geomagnetically induced currents harmonic characteristics analysis;International Journal of Electrical Power & Energy Systems;2024-09

2. Response of MMC-HVDC Systems to Geomagnetic Disturbances;IEEE Transactions on Industry Applications;2024-05

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