Elevator motor control

Details Elevator motor control Elevator motor control

H - Electricity

02

P

364/28

H02P 3/14 (2006.01) B66B 1/32 (2006.01)

Patent

CA 1258325

ABSTRACT OF THE DISCLOSURE A method and apparatus for controlling a direct current motor of an elevator during emergency braking by conducting a current generated by the motor through a braking resistor are disclosed, in which a thyristor connects the braking resistor across the motor during the emergency braking and a mains voltage to the motor is simultaneously interrupted.

508251

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