Inductance controller with load regulator

Details Inductance controller with load regulator Inductance controller with load regulator

1995-12-21

1998-10-20

Riley, Shawn

Electricity: power supply or regulation systems

Output level responsive

Using a transformer or inductor as the final control device

323239, G05F 114

Patent

active

058251642

ABSTRACT:
A method for changing the inductance of a multiple-tap transformer in a circuit having a current regulator and the transformer, including the steps of comparing the current regulator's duty-cycle to a duty-cycle setpoint, increasing the turns ratio of the transformer when the duty-cycle is less than the setpoint. An apparatus for switching the taps of a multiple-tap transformer connected to a power supply and a load circuit, including a load regulator for generating a desired duty-cycle signal, and an inductance controller having a first reference signal generator, a comparator for comparing the reference signal to the desired duty-cycle, and relays connected to the transformer taps that are responsive to the comparator.

REFERENCES:
patent: 3743921 (1973-07-01), Legg et al.
patent: 4965508 (1990-10-01), Soan
patent: 5315533 (1994-05-01), Stich et al.
patent: 5581173 (1996-12-01), Yalla et al.

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