Research on Electrical Life Evaluation Based on Arc Extinguishing Structure of AC Contactors
AC contactors are crucial components in power systems,used to control the switching of electrical circuits.The arc-extinguishing structure is a key part of AC contactor design,aiming to control and eliminate the arcs generated during the breaking of current to protect the contactor from excessive heat and electromagnetic forces caused by the arcs.Through systematic experimental design and data analysis,this article extensively studies the impact of different arc-extinguishing structures on the electrical life of AC contactors.Firstly,the basic principles of AC contactors and arc-extinguishing technology are outlined.Then,the evaluation methods and criteria for electrical life are elaborated,and the key factors affecting electrical life are discussed.
AC contactorarc-extinguishing structureelectrical lifeevaluation