Device for stabilizing the voltage of a single- or multi-phase a

Details Device for stabilizing the voltage of a single- or multi-phase a Device for stabilizing the voltage of a single- or multi-phase a

1982-12-02

1985-07-23

Shoop, William M.

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

315306, 315310, 323237, G05F 160

Patent

active

045310866

ABSTRACT:
A device for stabilizing the voltage between two conductors of an a-c network comprises a thyristor switching circuit and a choke element connected in series between the conductors and in parallel to a control circuit. The control circuit activates the thyristor circuit to connect the two conductors upon detecting equality between a predetermined reference value and a sum of two areas under a half-wave portion of the voltage-time curve of the two conductors, the first area being measured by an integrator and extending from the beginning of the half-wave period to a current instant and the second area being calculated by analog arithmetic components and extending from the current instant to the end of the half-wave period.

REFERENCES:
patent: 3889176 (1975-06-01), Randall

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