Results 11 to 20 of about 31,506 (294)

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.
M. Szulborski, S. Łapczyński, Ł. Kolimas   +2 more
semanticscholar   +3 more sources

Integration of Novel Sensors and Machine Learning for Predictive Maintenance in Medium Voltage Switchgear to Enable the Energy and Mobility Revolutions

Sensors, 2020
The development of renewable energies and smart mobility has profoundly impacted the future of the distribution grid. An increasing bidirectional energy flow stresses the assets of the distribution grid, especially medium voltage switchgear.
Martin W. Hoffmann, S. Wildermuth, R. Gitzel, A. Boyaci, Jörg Gebhardt, H. Kaul, I. Amihai, B. Forg, M. Suriyah, T. Leibfried, V. Stich, Jan Hicking, Martin Bremer, Lars Kaminski, D. Beverungen, Philipp zur Heiden, Tanja Tornede   +16 more
semanticscholar   +3 more sources

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

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, Jiahao Guo, Jinggang Yang, Xing Fang, Mingming Shi, Yang Liu, Maosen Guo, Zhencheng Yang, Zaijun Wu   +8 more
openalex   +3 more sources

Finite Element Analysis and Experimental Study of Metal Shell of GIL [PDF]

E3S Web of Conferences, 2021
Mathematical modeling, finite element numerical simulation and experimental measurement of the stress-deformation distribution of the gas-insulated metal-enclosed transmission line shell were carried out.
Mimi Gong, Yantao Zhao, Jiajia Fu, Changlu Luo, Mingdao Sun, Zhiqiang Ma, Fengtao Shi, Zhenkui Gao, Fang Sun, Zhankui Li   +9 more
doaj   +1 more source

Partial Discharge and Internet of Things: A Switchgear Cell Maintenance Application Using Microclimate Sensors. [PDF]

Sensors (Basel), 2021
This paper proposes a solution for the development of microclimate monitoring for Low Voltage/High Voltage switchgear using the PRTG Internet of Things (IoT) platform. This IoT-based real time monitoring system can enable predictive maintenance to reduce
Fechet R, Petrariu AI, Graur A.
europepmc   +2 more sources

Partial discharge defect recognition method of switchgear based on cloud-edge collaborative deep learning. [PDF]

Sci Rep
To address the limitations of traditional partial discharge (PD) detection methods for switchgear, which fail to meet the requirements for real-time monitoring, rapid assessment, sample fusion, and joint analysis in practical applications, a joint PD ...
Jia Z, Fan S, Wang Z, Shao S, He D.
europepmc   +2 more sources

Pattern Recognition of Partial Discharge Faults in Switchgear Using a Back Propagation Neural Network Optimized by an Improved Mantis Search Algorithm. [PDF]

Sensors (Basel)
The dependable functioning of switchgear is essential to maintain the stability of power supply systems. Partial discharge (PD) is a critical phenomenon affecting the insulation of switchgear, potentially leading to equipment failure and accidents.
Fei Z, Li Y, Yang S.
europepmc   +2 more sources

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

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