METHOD OF AND CAR FOR POWER SUPPLY OF TRAIN AT UNDERGROUND RAILWAY DEPOT Russian patent published in 2000 - IPC

FIELD: transport engineering; city transport; power supply of electric train at depot. SUBSTANCE: car power consumers are disconnected from current collector and current is supplied to additional contact pin connected after fuse. The latter is installed before socket of additional contact pin. Holder of flexible cable connected with current-carrying bus can be fitted on only after removing the fuse from supply circuit of current collector. Indicated flexible cable length is reduced as compared with similar cable in working zone, and so it can be fitted on only onto additional contact pin. EFFECT: protection of man from electric shock at contact with current collector elements. 3 cl, 4 dwg