AC Induction motor braking system

Details AC Induction motor braking system AC Induction motor braking system

1981-07-21

1983-02-15

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Braking

318375, H02P 324

Patent

active

043743528

ABSTRACT:
A three-terminal network which electrically senses the time at which the voltage applied to an AC induction motor is removed and concurrently therewith utilizes energy which was previously stored in a capacitor to effect eddy-current braking of the AC induction motor is disclosed.
The disclosed system may be utilized to quickly, i.e., within two revolutions, brake a two-terminal shaded-pole induction motor, or a two-terminal unidirectional split-phase motor, or a three-terminal bidirectional split-phase motor.

REFERENCES:
patent: 3341758 (1967-09-01), Plumpe, Jr.
patent: 3475669 (1969-10-01), Oltendorf
patent: 3872363 (1975-03-01), Gross

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