H - Electricity – 02 – P
Patent
H - Electricity
02
P
318/83
H02P 3/18 (2006.01) B60L 7/14 (2006.01) B60L 7/18 (2006.01)
Patent
CA 1225695
ABSTRACT A regenerative braking system for a linear induction motor includes a control device to increase the frequency slip in a braking mode and reduce the regenerative capacity of the motor. The control device is regulated by sensing means which monitor the voltage of the external power conductor and increase the slip if the voltage exceeds a predetermined value. This reduces the power regenerated by the motor and prevents excessive voltages in the conductor. A latch prevents cycling between the full and reduced regenerative braking to prevent oscillation of the braking force and is reset upon selection of a motoring condition for the motor.
511799
Mccarthy Tetrault Llp
Urban Transportation Development Corporation Ltd.
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