DC ELECTRIC LOCOMOTIVE ANTI-SLIPPAGE SYSTEM Russian patent published in 2012 - IPC B60L3/10 

FIELD: transport.

SUBSTANCE: invention relates to railway transport and may be used at DC electric locomotives. Proposed microprocessor system comprises first and second traction motor slippage relays connected in series-parallel, resistors to shunt traction motors via contactors, control unit of the latter, microprocessor unit, operator controller position pickup and step motor. Resistors are splitted by contactors controlled by contactor control unit. Said operator controller position pickup is connected with operator controller output. Operator controller position pickup output is connected with microprocessor unit first input. Microprocessor unit first output connected with step motor connected with operator controller. Microprocessor unit second and third inputs are connected with outputs of the first and second slippage relays. Microprocessor second, third, fourth and fifth outputs are connected with first, second, third and fourth inputs of contactor control unit, with its first, second, third and fourth outputs controlled by first, second, third and fourth contactors.

EFFECT: improved operating parameters, complete automation of slippage control.

4 cl, 1 dwg