Chopper control system

Details Chopper control system Chopper control system

1985-01-17

1987-08-04

Shoop, Jr., William M.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318345R, 318332, 318338, 363124, 323284, H02P 1326, H02P 516

Patent

active

046848592

ABSTRACT:
A novel control system for the motor or the like is disclosed which operates basically on principle that the power flowing in during the conduction of a chopper gate of a chopper device is integrated, and when the integrated value reaches a target, the gate is turned off, thereby realizing the control of an instantaneous value and high response and stability without the conventional feedback control. The target value is also reduced against the excess of the source voltage under variations in load for the regenerated power. Further, a constant-voltage control limiter is added to improve the ability to prevent a slip and race.

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