Propulsion motor control apparatus and method

Details Propulsion motor control apparatus and method Propulsion motor control apparatus and method

H - Electricity

02

M

346/44

H02M 3/139 (2006.01)

Patent

CA 1262380

ABSTRACT OF THE DISCLOSURE Current regulation is provided for the propulsion motor of a vehicle operative with a track signal block control signal having a known frequency characteristic, by modulation of a selected group of potential output ON pulses from a chopper apparatus coupled with the motor and in relation to the program cycle time of a control micro- processor such that the resulting harmonic sidebands are positioned to minimize electromagnetic interference with that control signal.

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