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Evaluation and Mitigation of Electromagnetic Environment and Electromagnetic Interference Impacts for Power Grids

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A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F: Electrical Engineering".

Deadline for manuscript submissions: closed (10 July 2023) | Viewed by 3207

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Special Issue Editors

Prof. Dr. Qi Li

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Guest Editor

School of Electrical Engineering, Chongqing University, Chongqing 400044, China
Interests: advanced UHV/EHV electricity transmission technologies; electromagnetic environmental emissions from UHV/EHV transmission lines; the application of artificial intelligent into power systems

Dr. Wei Meng

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Guest Editor

1. Electric Power Research Institute, China Southern Power Grid Guangdong Power Grid Corporation, Guangzhou 510623, China
2. School of Electrical Engineering, Chongqing University, Chongqing 400044, China
Interests: numerical calculation for gas discharge; discharge characteristics and insulation coordination for transmission lines; electromagnetic environment of overhead lines

Prof. Dr. Xiaobo Meng

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Guest Editor

School of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou 510006, China
Interests: composite insulator; streamer discharge; electrical engineering polymeric materials; surface flashover

Prof. Dr. Xingming Bian

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Guest Editor

State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
Interests: intelligent sensing in power energy system; electromagnetic environment of electric power equipment; advanced electrical insulation materials

Special Issue Information

Dear Colleagues,

Stimulated from the de-carbonization targets which were set up by governments worldwide, HVDC power transmission lines are commissioned rapidly in recent years. As an emerging technique, there is lack of operational experience especially on its electromagnetic environmental (EME) impacts. In the meantime, there is fast growth on humans’ awareness of environmental consciousness, which attracts wider interests to study the EME impacts on HVDC transmission infrastructures and equipment, in particular, the audible noise, radio interference, synthetic electric field and other environmental emissions from intensified electric field, electrical discharge and mechanical vibration etc. Environmental concerns are fast becoming the main constraint for the planning, design and construction of HVDC transmission lines within modern power systems. The advanced measurement, calculation and evaluation methods developed for the EME study on HVDC infrastructure and power equipment are the key research area to help power industry reducing public complaints and commercial cost induced by environmental issues.

This Special Issue is focused on technical advances, such as measurement techniques, software simulation models, mathematical tools, to address the EME issues from HVDC infrastructure and equipment, including the following topics:

Numerical modeling and simulation
New method for measuring, modeling, and evaluating
EME impacts on power equipment
Active methods to control environmental impacts

Prof. Dr. Qi Li
Dr. Wei Meng
Prof. Dr. Xiaobo Meng
Prof. Dr. Xingming Bian
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

high voltage direct current (HVDC)
electromagnetic computations
electromagnetic environmental (EME) emissions from HVDC
numerical simulation for EME
gas discharge

Published Papers (2 papers)

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Research

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16 pages, 8135 KiB

Open AccessArticle

Accurate Modeling of CCS Combo Type 1 Cable and Its Communication Performance Analysis for High-Speed EV-EVSE Charging System

by Sanghwa Park, Euibum Lee, Yeong-Hoon Noh, Dong-Hoon Choi and Jong-gwan Yook

Energies 2023, 16(16), 5947; https://doi.org/10.3390/en16165947 - 11 Aug 2023

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Abstract

This paper addresses the issue of electromagnetic interference (EMI) in electric vehicle supply equipment (EVSE) charging cables, which can disrupt the communication signal for the real-time monitoring of the charging status, leading to the termination of charging. We propose a dedicated measurement jig for the Combined Charging System Combo Type 1 (CCS-CT1) cable structure and models its electrical characteristics of the jig using the impedance peeling technique for de-embedding. The obtained pure S-parameters of CCS-CT1 are then used to conduct a simulation of the signal integrity problem caused by Gaussian noise, which is the worst-case scenario that can occur in a typical charging system. This paper suggests that the root cause of this problem may be related to the high-power AC/DC conversion device included in the EVSE, which uses a switch-mode power conversion (SMPC) method that involves nonlinear operation and can result in increased harmonic noise and a more complex signal protocol for precise control. Finally, this study provides insights into the challenges of implementing high-speed charging systems and offers a solution for obtaining the accurate electromagnetic characteristics of charging cables. Full article

(This article belongs to the Special Issue Evaluation and Mitigation of Electromagnetic Environment and Electromagnetic Interference Impacts for Power Grids)

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Review

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21 pages, 4050 KiB

Open AccessReview

Research Progress on Audible Noise Emitted from HVDC Transmission Lines

by Li Li, Wei Meng, Qi Li, Yifan Wang, Xiaoguang Zheng and Hongbin Wang

Energies 2023, 16(12), 4614; https://doi.org/10.3390/en16124614 - 09 Jun 2023

Cited by 2 | Viewed by 1429

Abstract

The audible noise (AN) of DC transmission lines is a crucial factor affecting environmental assessment and electromagnetic design. In recent years, the public has paid increasing attention to the audible noise after the emergence of the HVDC technique. This paper emphatically reviewed the work investigating audible noise characteristics in both time and frequency domains, especially the correlation between sound and discharge. The proposed mechanisms of DC audible noise and the mitigating techniques are summarized, including the noise generation process, the physical models, the measurement method, and the mitigating technologies. It is found that the existing literature mainly focused on the prediction and characteristics of AN, the environmental factors which influence AN, and the methods to minimize AN emission. However, existing achievements still need to be improved to fully understand the mechanism of AN generation and solve the adaptability problem of AN prediction methods. The following aspects are valuable in future research: The correlation between audible noise and other corona effects will help solve the problem of difficulty in measuring audible noise in field condition; The corona discharge mechanism and weather resistance anti-corona coating when raindrops are attached to the surface of the transmission line, which will help guide the development and application of anti-corona coatings for the transmission line. Future research should also understand the mechanism of sound wave generation when considering the space charge effect. Full article

(This article belongs to the Special Issue Evaluation and Mitigation of Electromagnetic Environment and Electromagnetic Interference Impacts for Power Grids)

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