The objective is the inspection and repair of the entire system, including traction power substations, manholes, cables, property line boxes, energy distribution rooms, signal relay rooms, signal junction boxes, track, signals, track side equipment, and interlockings. (rocklandtimes.com)
All of the train's systems, including traction power, lighting, control circuits, and air compressors, are powered by solar (via the battery), which the company believes qualifies it «as a world first.» (treehugger.com)
As reflected in the DQ400E, Volkswagen Group currently has different parts for gearbox, motor and power electronics — i.e., a transmission with individual ratios, external power electronics and traction power distributor. (greencarcongress.com)