Overlaps serve vital components of the overhead contact system (OCS) on high-speed railways. and their dynamic behaviors directly affect the current-collecting performance of the pantograph-catenary systems in the high-speed operational conditions of trains. Instances of dropper breakage and other failures have been prevalent in overlap sections along high-speed railways. directly thr... https://fitnessgravesyardes.shop/product-category/power-entry-module/