Apparatus for the control of a switched power regulator

Details Apparatus for the control of a switched power regulator Apparatus for the control of a switched power regulator

1983-10-07

1985-07-16

Pellinen, A. D.

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

323285, G05F 1613

Patent

active

045299277

ABSTRACT:
A controller apparatus comprising a phase-locked loop circuit which includes a phase comparator and a low-pass filter connected to accept a signal representing the switching frequency of the apparatus and an external frequency signal to produce a control signal for a controllable switch serving to vary the threshold levels of a reference signal, said control signal being a function of the phase difference between the input signals. The hysteresis of the apparatus is thereby changed over a few synchronization cycles in order to pull the controller into synchronization.

REFERENCES:
patent: 4253055 (1981-02-01), Gatten
patent: 4255699 (1981-03-01), Calvin
patent: 4316136 (1982-02-01), Saxarra et al.
patent: 4422138 (1983-12-01), Kornrumpf

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