Reducing current reversal time in electric motor control

Patent Number: 8,878,473
Issued: 11/4/2014
Official Filing: View the Complete Patent
Abstract: The time required to reverse current flow in an electric motor is reduced by exploiting inductive current that persists in the motor when power is temporarily removed. Energy associated with this inductive current is used to initiate reverse current flow in the motor.
Filed: 6/2/2011
Application Number: 13/152,067
Government Interests: STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention.