20130043722 | DC TRAILING CABLE SYSTEM FOR TETHERED MINING VEHICLES - A DC trailing cable system for tethered machines is disclosed. The DC trailing cable system may include a power center configured to provide DC power having a controlled voltage value. In addition, the DC trailing cable system may include a tethered machine comprising one or more inverters and one or more motors, wherein the one or more inverters are supplied DC power, at least in part, from the power center via a two-core trailing cable, and wherein the one or more inverters are connected to the one or more motors. | 02-21-2013 |