Advanced Power Transmission and Distribution Systems

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Industrial Electronics".

Deadline for manuscript submissions: 15 August 2025 | Viewed by 1204

Special Issue Editors


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Guest Editor
State Key Laboratory of Alternate Electrical Power System with Reneable Energy Sources, North China Electric Power University, Beijing 102206, China
Interests: advanced power transmission; power eletronics reliability
School of Electrical Engineering, Southeast University, Nanjing 210000, China
Interests: power system operation involving uncertainties

E-Mail Website
Guest Editor
State Key Laboratory of Alternate Electrical Power System with Reneable Energy Sources, North China Electric Power University, Beijing 102206, China
Interests: flexible DC transmission equipment; high power electronic devices

Special Issue Information

Dear Colleagues,

Power transmission and distribution systems, which include power electronic converters, are becoming more crucial as renewable energy and electric car technology advances. Transmission and distribution networks increasingly have additional responsibilities in addition to providing energy to consumers, such as lowering carbon emissions and coordinating with other industries like transportation networks. However, there are several obstacles to the safe and cost-effective functioning of transmission and distribution networks due to the abundance of wind and solar resources, growing loads, and major uncertainty. Simultaneously, devices like energy storage and the expanding energy market bring with them increased complexity and flexibility. This Special Issue focuses on two primary areas in light of these trends: first, innovative power electronic equipment topology, control, and reliability, including DC circuit breakers, modular multilevel power transformers, and solid-state transformers, and second, cutting-edge techniques for modern distribution systems, including the proper planning, efficient and reliable operation, effective strategies of participating in markets, the mechanism design of local energy markets, and other relevant topics.

Dr. Zhonghao Dongye
Dr. Xi Lu
Dr. Xiangyu Zhang
Guest Editors

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Keywords

  • power transmission and distribution system
  • energy markets
  • operation and planning
  • power electronic equipment

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Published Papers (2 papers)

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Research

28 pages, 6347 KiB  
Article
Calculations of Electrical Parameters of Cables in Wide Frequency Range
by Bingxin He, Zheren Zhang, Qixin Ye, Zheng Xu, Xiaoming Huang and Liu Yang
Electronics 2025, 14(8), 1570; https://doi.org/10.3390/electronics14081570 - 12 Apr 2025
Viewed by 202
Abstract
The significant capacitive effects of cables can cause resonance stability issues, making it crucial to accurately model cables in the wide frequency range (up to several kilo-Hertz) where resonance typically occurs. To address the complexity and the neglect of cable bonding and earthing [...] Read more.
The significant capacitive effects of cables can cause resonance stability issues, making it crucial to accurately model cables in the wide frequency range (up to several kilo-Hertz) where resonance typically occurs. To address the complexity and the neglect of cable bonding and earthing arrangements in previous accurate cable modeling, this paper derives a concise analytical method for calculating cable electrical parameters over the wide frequency range, simplifying the prior complex formulas, clarifying the series impedance components, and comprehensively considering three common bonding and earthing arrangements. The case studies of three-core and single-core submarine cables are presented to verify the effectiveness of the improved analytical method. The analysis includes frequency-dependent per-unit-length parameters and the impact of each component on the series impedances. Furthermore, a simplified algorithm is explored, avoiding Bessel function computations based on the impedance component impact study, as well as infinite series calculations by considering the effect of the earth/sea return path position factor on the simplified series accuracy. Full article
(This article belongs to the Special Issue Advanced Power Transmission and Distribution Systems)
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18 pages, 6023 KiB  
Article
Ground Fault Detection of Photovoltaic and Energy Storage DC Converter Load on User Side
by Kai Zhang, Jian Yang, Jian Li, Zhongying Zhang, Ling Gu and Zhonghao Dongye
Electronics 2024, 13(22), 4505; https://doi.org/10.3390/electronics13224505 - 16 Nov 2024
Viewed by 711
Abstract
With the rapid development of DC power supply technology, the operation, maintenance, and fault detection of DC power supply equipment and devices on the user side have become important tasks in power load management. DC/DC converters, as core components of photovoltaic and energy [...] Read more.
With the rapid development of DC power supply technology, the operation, maintenance, and fault detection of DC power supply equipment and devices on the user side have become important tasks in power load management. DC/DC converters, as core components of photovoltaic and energy storage DC systems, have issues with detecting ground faults on the positive and negative input/output buses, leading to difficulties in troubleshooting device malfunctions and potentially endangering user safety. To address these issues, a method for detecting ground faults on the positive and negative buses of a synchronous buck photovoltaic and energy storage DC/DC converter is proposed, which involves the comprehensive measurement of multi-point common-mode voltages. This method collects the input positive bus voltage, output positive bus voltage, switch voltage, and the common-mode voltage at the midpoint of the bridge arm, then sums these after removing the switching harmonics. By analyzing the characteristic differences of the summed voltage under the ground fault modes of the positive and negative input/output buses, characteristic parameters are extracted to establish a ground fault identification method, thereby achieving effective detection of ground faults in the photovoltaic and energy storage DC/DC converter. Finally, the effectiveness of the method proposed in this paper was validated through simulations and experiments. Full article
(This article belongs to the Special Issue Advanced Power Transmission and Distribution Systems)
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