FIELD: transport.
SUBSTANCE: invention relates to rolling stock ACS. Proposed device comprises traction transformer, traction rectifier, DC motor, smoothing reactor, power transformer, induction motor, frequency converter, cooling fan, device to correct temperature controller transfer factor in response to fan delivery, 1st measurement device, 2nd measurement device, 3rd measurement device, 4th measurement device, 1st, 2nd and 3rd setting devices, 1st, 2nd and 3rd comparators.
EFFECT: higher reliability of smoothing reactor, traction motor and power semiconductor device of rectifier unit.
7 dwg
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