Modernization and repairs of locomotives

Three-system locomotives 380, 381

The electric locomotive 380 is designed for passenger trains for traction systems 3kV DC, 25kV/50Hz and 15kV 16 2/3Hz AC for a speed up to 200km/h.

The drive of the locomotive consists of four three-phase asynchronous squirrel-cage traction motors. The traction motors are powered from traction converters. The auxiliary drives (compressors, fans) are driven by three-phase asynchronous motors. Traction is controlled by a microprocessor, and the locomotive can be controlled in manual, automatic speed control (ARR) or in automatic train control (AVV).

Locomotives 381 have a lower maximum speed (160km/h) and are fitted with ETCS L1 safety equipment. Škoda Pars carries out regular periodic berthing repairs on these locomotives.

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