Electric motor with electronic brake

Details Electric motor with electronic brake Electric motor with electronic brake

2006-02-14

2006-02-14

Duda, Rina (Department: 2837)

Electricity: motive power systems

Braking

C318S366000, C318S501000, C318S519000

Reexamination Certificate

active

06998804

ABSTRACT:
A retarded electric motor designed as a series motor or an asynchronous motor having a squirrel cage rotor. A valve is provided for switching between motor operation and braking operation. During motor operation the motor is operated in a known configuration as series motor or as asynchronous motor. If configured as a series motor, the valve (S1, S2, S3) allows to bypass the armature and to operate the motor as an externally excited direct current generator when switching into braking operation. If configured as an asynchronous motor, a switch is utilized to disconnect at least two field windings from mains. A valve is utilized to excite the motor externally from mains with a pulsating direct current during braking.

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