Results 1 to 10 of about 22,203,276 (298)

Coordinated Low-Carbon Optimal Dispatching on Source-Demand Side for Integrated Electricity-Gas System

CSEE Journal of Power and Energy Systems
With the advancement of the “carbon peaking” and “carbon neutrality” objectives, concerns regarding carbon emissions in energy system dispatching have attracted much attention.
Chunyan Li, Zhichao Yan, Yiming Yao, Zhanwen Tang, Changzheng Shao   +4 more
doaj   +1 more source

AC Surface Flashover and Gas Generation Difference of the Cellulose Insulation Pressboard Immersed in Novel 3-Element Mixed Oil and Mineral Oil

IEEE Access, 2019
Surface flashover fault is one of the most challenge issues in oil-cellulose insulation pressboard system used in power transformer. In this study, a comparative study of the AC surface flashover properties of the novel 3-element mixed oil-cellulose ...
Xin Chen, Jian Hao, Ruijin Liao, Jian Li, Lijun Yang, Dawei Feng   +5 more
doaj   +1 more source

A selection principle of submodule switching state vectors for switching frequency reduction in voltage self‐balancing half‐bridge modular multilevel converters

IET Power Electronics
The problem of submodule switching frequency reduction in half‐bridge modular multilevel converters (HB‐MMCs) with capacitor voltage self‐balancing control is considered and explored in this paper.
Yiyuan Zhou, Liang Qin, Shiqi Yang, Qing Wang, Kaipei Liu   +4 more
doaj   +1 more source

Research on Discharging Current Distribution of Grounding Electrodes

IEEE Access, 2019
Grounding electrodes with good current discharging performance can ensure the reliability of power system security. Discharging current is not only the reason for accelerating the corrosion, but also the key indicator of the grounding electrodes ...
Zhanlong Zhang, Yihua Dan, Jing Zou, Guohua Liu, Chengfeng Gao, Yiqiao Li   +5 more
doaj   +1 more source

Raman spectroscopy based detection of corrosive sulfur in transformer oil: Method and application

High Voltage, 2022
In order to overcome the shortcomings of traditional methods for corrosive sulfur detection in transformer oil, Raman spectroscopy based detection is proposed in this paper.
Ziyi Wang, Ruimin Song, Weigen Chen, Xinyuan Zhang, Pinyi Wang   +4 more
doaj   +1 more source

DC fault ride-through method for full-bridge MMC-based MTDC systems

The Journal of Engineering, 2019
The DC fault protection is one of the main issues in multi-terminal voltage source converter based high-voltage direct current (VSC–MTDC) transmission systems.
Yongjie Luo, Pu Yi, Xiong Xiaofu, Wang Jiang, Song Yonghui   +4 more
doaj   +1 more source

Ensemble methods of classification for power systems security assessment [PDF]

Applied Computing and Informatics, 2019
6 pages, 4 figures, 4 tables.
Zhukov, A., Tomin, N., Kurbatsky, V., Sidorov, D., Panasetsky, D., Foley, A.   +5 more
openaire   +6 more sources

Proportion and failure analysis of full-bridge sub-modules in a hybrid MMC

The Journal of Engineering, 2019
Isolating DC bipolar short-circuit fault is one of the difficulties faced by the flexible DC distribution system. This study aims to the hybrid modular multi-level converter (MMC).
Yonghui Song, Yongjie Luo, Xiaofu Xiong, Rui Lian   +3 more
doaj   +1 more source

Interference Analysis of Metal Conductors for Target-Resonance-Based Detection Method

Complexity, 2020
Frequency bifurcation phenomenon is an important input characteristic of the magnetically coupled resonant wireless power transfer (MCR-WPT) system in overcoupling situation.
Lin Chen, Huaiqing Zhang, Yinchun A, Wei Song   +3 more
doaj   +1 more source

Electrical and thermal properties of insulating oil-based nanofluids: a comprehensive overview

IET Nanodielectrics, 2019
Nanofluids, formed by adding nanoscale particles to insulating oil, are stable and homogeneous suspensions that present advanced performance of electrical insulation and heat dissipation.
Zhengyong Huang, Jian Li, Wei Yao, Feipeng Wang, Fu Wan, Yaxiong Tan, Muhammad Ali Mehmood   +6 more
doaj   +1 more source