Electromagnetic interference analysis of control and protection device for VSC-HVDC

Kai Xu; Huiping Wang; Yuanze Zhang; Tianqi Hang; Wei Li; Changgen Li

doi:10.1117/12.3026104

15 March 2024 Electromagnetic interference analysis of control and protection device for VSC-HVDC

Kai Xu, Huiping Wang, Yuanze Zhang, Tianqi Hang, Wei Li, Changgen Li

Proceedings Volume 13075, Second International Conference on Physics, Photonics, and Optical Engineering (ICPPOE 2023); 130752E (2024) https://doi.org/10.1117/12.3026104
Event: Second International Conference on Physics, Photonics, and Optical Engineering (ICPPOE 2023), 2023, Kunming, China

Abstract

As a kind of electronic equipment, the control and protection device for VSC-HVDC may fail under the influence of electromagnetic interference, which will bring security risks to VSC-HVDC system, so it is necessary to carry out the research on electromagnetic interference of the device. This paper summarizes the forms, types and sources of electromagnetic interference, points out that common-mode and conducted interference has the greatest impact on the device. The vulnerabilities of the device concerning EMI are analyzed, with simulations on cable paralleling and chassis shielding suggesting that analog small signals within the device are most susceptible to EMI. According to the existing weaknesses, the corresponding optimization design scheme is proposed, focusing on the propagation path of electromagnetic interference, the shielding measures and the improvement method of the forward loop of the analog-to-digital converter are given, and the selection ideas of operational amplifiers and filters are provided from the perspective of noise characteristics and signal bandwidth. This paper provides theoretical value for the analysis of electromagnetic interference weaknesses and the optimization design scheme of the device.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Kai Xu, Huiping Wang, Yuanze Zhang, Tianqi Hang, Wei Li, and Changgen Li "Electromagnetic interference analysis of control and protection device for VSC-HVDC", Proc. SPIE 13075, Second International Conference on Physics, Photonics, and Optical Engineering (ICPPOE 2023), 130752E (15 March 2024); https://doi.org/10.1117/12.3026104

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KEYWORDS

Tunable filters

Electromagnetic coupling

Electromagnetic interference

Signal to noise ratio

Analog to digital converters

Electronic filtering

Simulations

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