FIELD: electrical engineering.
SUBSTANCE: invention relates to method of controlling electric traction system of vehicle. Way to regulate electric transmission of electric in mode of electric brake is as follows. Set brake force set points of electric, drive current and armature current of brake traction electric motor. Calculate inverse value of maximum rate of rotation of electric motors and take it for a second setting of armature current of electric motors. Reciprocal value of magnetic flow is calculated and multiplied with setting value of given braking effort of electric, result is taken as the third setting of armature current of electric motors. Minimum setpoint is selected from settings of armature current of electric motors, taken as given value of armature current of electric motors, compared with measured maximum armature current, result of the comparison is integrated and taken as the second setting definition of drive current of electric motors. Minimum setting is selected from setting of drive current and is taken as given value of drive current of electric motors, compared it with measured value of drive current of electric motors, result of comparison is amplified and regulation of drive current of electric motors is carried out.
EFFECT: technical result is to ensure stability of characteristics of electric brake of electric.
1 cl, 2 dwg
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Authors
Dates
2018-05-07—Published
2017-06-28—Filed