Results 21 to 30 of about 22,263 (253)

Simulation study of influence of the outlet elastic baffle on pressure in arc chamber during the interrupting process of low-voltage circuit breaker

AIP Advances, 2021
In this paper, a bidirectional fluid–solid interaction method is established to investigate the influence of the outlet elastic baffle on the pressure in the arc chamber in the breaking process of a low-voltage circuit breaker. Based on the computational
Nairui Yin, Hongwu Liu, Zongqian Shi, Ruiliang Guan   +3 more
doaj   +1 more source

Influence of the dissociation unit on pressure and temperature distribution in arc chamber of ACB during the breaking process

AIP Advances, 2021
To void breakdown between busbars, the dissociation unit is applied in the arc chamber of an air circuit breaker (ACB) to cool down the hot gas exhausted from the vent of the arc chamber in the interrupting process. Cooling efficiency and flow resistance
Nairui Yin, Hongwu Liu, Zongqian Shi, Ruiliang Guan   +3 more
doaj   +1 more source

A novel switchgear state assessment framework based on improved fuzzy C-means clustering method with deep belief network

Frontiers in Energy Research, 2023
Due to the problems such as fuzzy state assessment grading boundaries, the recognition accuracy is low when using traditional fuzzy techniques to grade the switchgear state.
Xiaolong Xiao, Xiaolong Xiao, Jiahao Guo, Jinggang Yang, Jinggang Yang, Xing Fang, Mingming Shi, Yang Liu, Maosen Guo, Zhencheng Yang, Zaijun Wu   +10 more
doaj   +1 more source

Research on Near-Field Propagation Characteristics of Partial Discharge Electromagnetic Wave Signal in Switchgear

Energies, 2023
In the authors’ previous research, a new method for partial discharge detection in the switchgear based on near-field detection was proposed. The content of this paper is the continuation of the authors’ previous research.
Chunguang Suo, Jingjing Zhao, Lifeng Wang, Zhipeng Xu, Ruikang Luo, Mingxing He, Wenbin Zhang   +6 more
doaj   +1 more source

Fault Detection for Medium Voltage Switchgear Using a Deep Learning Hybrid 1D-CNN-LSTM Model

IEEE Access, 2023
Medium voltage (MV) switchgear is a vital part of modern power systems, responsible for regulating the flow of electrical power and ensuring the safety of equipment and personnel.
Yaseen Ahmed Mohammed Alsumaidaee, Johnny Koh Siaw Paw, Chong Tak Yaw, Sieh Kiong Tiong, Chai Phing Chen, Talal Yusaf, Foo Benedict, Kumaran Kadirgama, Tan Chung Hong, Ahmed N. Abdalla   +9 more
doaj   +1 more source

Research on modularizing design of 10 kV switchgear with line outlet for live maintenance

Energy Reports, 2021
In order to improve the reliability and safety of power supply and reduce the failure rate of switchgear, this paper designs a novel high-voltage switchgear which is reliable and safe.
Yuan Yao, Xudong Ouyang, Guowei Zeng, Qi Tang, Wenyu Ma   +4 more
doaj   +1 more source

Bi-Directional Power Flow in Switchgear with Static Transfer Switch Applied at Various Renewable Energies

Energies, 2021
In this study, we describe the development of a plug-in type of switchgear that can control bidirectional power flow. This switchgear system can connect distributed generations such as photovoltaic and wind turbine generation, and AC and DC loads.
Keon-Woo Park, Chul-Hwan Kim
doaj   +1 more source

Thermal Analysis of Heat Distribution in Busbars during Rated Current Flow in Low-Voltage Industrial Switchgear

Energies, 2021
The manuscript presents advanced coupled analysis: Maxwell 3D, Transient Thermal and Fluent CFD, at the time of a rated current occurring on the main busbars in the low-voltage switchgear.
Michał Szulborski, Sebastian Łapczyński, Łukasz Kolimas   +2 more
doaj   +1 more source

Research on temperature rise of high current switchgear in distribution system

The Journal of Engineering, 2019
With the increase of the load of the switchgear, the overheating of the switchgear is more and more serious. In this article, the authors give the primary heat sources in the electrical equipment.
Xiaorui Wang, Suxiong Cai, Zhaowei Peng, Zhanqing Yu, Shisen Gao, Zerong Huang, Yonggang Guan, Haotian Xia, Rong Zeng   +8 more
doaj   +1 more source

Optimization on airflow distribution for anti-condensation of high-voltage switchgear using CFD method

Case Studies in Thermal Engineering, 2021
High-voltage switchgear is indispensable for power system. Condensation of the switchgear occurs frequently due to water vapor infiltration and water accumulation in cable trench, which may cause large-scale blackout of the power system.
Xuejing Zheng, Fangshu Hu, Yaran Wang, Huan Zhang, Shijun You, Rui Shi, Kaiyu Shi   +6 more
doaj   +1 more source