公开(公告)号：US20220242249A1

公开(公告)日：2022-08-04

申请号：US17612490

申请日：2020-05-20

Applicant: SANDVIK MINING AND CONSTRUCTION OY

Inventor： Samuli VERHO ,  Harri VATANEN ,  Tommi TIIHONEN ,  Mikko KOUVO ,  Raimo JUNTUNEN ,  Mikko KITULA

IPC: B60L9/00 ,  B60L53/302 ,  B60L53/18 ,  B60L50/53

Abstract: A method and arrangement are provided for controlling electric current in a tether cable of an electrically driven mining vehicle. An indicator of an equivalent cycle current that flows through said tether cable is determined, and one or more descriptors of an actual state of dynamically changing conditions of the tether cable are obtained. A current limiting value is determined on the basis of the indicator and the descriptors, and a total amount of current is limited that the mining vehicle draws through the tether cable to a value smaller than or equal to the determined current limiting value.