A Novel Model of Electromechanical Contactors for Predicting Dynamic Characteristics

To ensure the reliability of power supply, a dual power supply structure appears in the power distribution system. Power supply switching is a complex physical process. This paper presents a novel model of electromechanical contactors. This model can simulate the multi-physics process of power switc...

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Autores principales:	Gongrun Wang, Yongxing Wang, Lifan Zhang, Shutian Xue, Enyuan Dong, Jiyan Zou
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	contactor co-simulation actuator computational electromagnetics Technology T
Acceso en línea:	https://doaj.org/article/3c6305b804644f05bb7a0cdb5b47f8b4
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id	oai:doaj.org-article:3c6305b804644f05bb7a0cdb5b47f8b4
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spelling	oai:doaj.org-article:3c6305b804644f05bb7a0cdb5b47f8b42021-11-25T17:25:46ZA Novel Model of Electromechanical Contactors for Predicting Dynamic Characteristics10.3390/en142274661996-1073https://doaj.org/article/3c6305b804644f05bb7a0cdb5b47f8b42021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/22/7466https://doaj.org/toc/1996-1073To ensure the reliability of power supply, a dual power supply structure appears in the power distribution system. Power supply switching is a complex physical process. This paper presents a novel model of electromechanical contactors. This model can simulate the multi-physics process of power switching. This article completes the simulation framework for power switching through contactors for the first time. Among them, the structural topology for contactors is also proposed. On the basis of the novel structure topology, an equivalent magnetic circuit model is established to calculate the relationship between driving force, flux linkage, current, and displacement. Then, a co-simulation model is established between the above equations and Adams to obtain the speed characteristics and flight time of the contactor. Subsequently, through the use of Fluent and its secondary development, a magnetohydrodynamic model is established, and the above-mentioned velocity characteristics are imported into it to analyze the arcing characteristics of the contacts under the conditions of the transverse magnetic field and the insulating grid. The effectiveness of power switching is judged by comparing the flight time of the electromechanical model and the arcing time of the magnetohydrodynamic model. The prototype is manufactured and tested on the basis of simulation. Through experimental waveforms and high-speed photography, the accuracy of the simulation model and the practicability of the contactor are verified.Gongrun WangYongxing WangLifan ZhangShutian XueEnyuan DongJiyan ZouMDPI AGarticlecontactorco-simulationactuatorcomputational electromagneticsTechnologyTENEnergies, Vol 14, Iss 7466, p 7466 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	contactor co-simulation actuator computational electromagnetics Technology T
spellingShingle	contactor co-simulation actuator computational electromagnetics Technology T Gongrun Wang Yongxing Wang Lifan Zhang Shutian Xue Enyuan Dong Jiyan Zou A Novel Model of Electromechanical Contactors for Predicting Dynamic Characteristics
description	To ensure the reliability of power supply, a dual power supply structure appears in the power distribution system. Power supply switching is a complex physical process. This paper presents a novel model of electromechanical contactors. This model can simulate the multi-physics process of power switching. This article completes the simulation framework for power switching through contactors for the first time. Among them, the structural topology for contactors is also proposed. On the basis of the novel structure topology, an equivalent magnetic circuit model is established to calculate the relationship between driving force, flux linkage, current, and displacement. Then, a co-simulation model is established between the above equations and Adams to obtain the speed characteristics and flight time of the contactor. Subsequently, through the use of Fluent and its secondary development, a magnetohydrodynamic model is established, and the above-mentioned velocity characteristics are imported into it to analyze the arcing characteristics of the contacts under the conditions of the transverse magnetic field and the insulating grid. The effectiveness of power switching is judged by comparing the flight time of the electromechanical model and the arcing time of the magnetohydrodynamic model. The prototype is manufactured and tested on the basis of simulation. Through experimental waveforms and high-speed photography, the accuracy of the simulation model and the practicability of the contactor are verified.
format	article
author	Gongrun Wang Yongxing Wang Lifan Zhang Shutian Xue Enyuan Dong Jiyan Zou
author_facet	Gongrun Wang Yongxing Wang Lifan Zhang Shutian Xue Enyuan Dong Jiyan Zou
author_sort	Gongrun Wang
title	A Novel Model of Electromechanical Contactors for Predicting Dynamic Characteristics
title_short	A Novel Model of Electromechanical Contactors for Predicting Dynamic Characteristics
title_full	A Novel Model of Electromechanical Contactors for Predicting Dynamic Characteristics
title_fullStr	A Novel Model of Electromechanical Contactors for Predicting Dynamic Characteristics
title_full_unstemmed	A Novel Model of Electromechanical Contactors for Predicting Dynamic Characteristics
title_sort	novel model of electromechanical contactors for predicting dynamic characteristics
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/3c6305b804644f05bb7a0cdb5b47f8b4
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A Novel Model of Electromechanical Contactors for Predicting Dynamic Characteristics

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