FIELD: machine building.
SUBSTANCE: group of inventions relates to the railway transport. System for releasing train brakes comprises an external input pipe, a pneumatic brake release device, an electronic brake release device and a circuit switching valve. External inlet branch pipe is configured to introduce compressed gas. Pneumatic brake release device has an inlet side connected to the output side of the external connection pipe for outputting compressed gas flowing through the pneumatic brake release device in case the compressed gas pressure reaches the specified pressure. Electronic brake release device is configured to adjust compressed gas having initial braking pressure and current through brake release electronic device, in response to received brake release signal to obtain adjusting braking pressure. Contour switching valve is configured to be connected to an electronic brake release device or a pneumatic brake release device based on the current operating condition of the train.
EFFECT: improved operation of the system.
10 cl, 6 dwg
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