Fast AC sensor for detecting power outages

Details Fast AC sensor for detecting power outages Fast AC sensor for detecting power outages

1998-12-01

2000-12-19

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327143, H01J 1982

Patent

active

06163204&

ABSTRACT:
An AC sensor for measuring voltage and detecting power outages is disclosed. In a disclosed embodiment, the AC sensor includes a plurality of integrators for independently integrating an AC voltage present on the AC power line. It also includes a timing circuit in communication with the integrators. The timing circuit initiates the integration cycles of the integrator such that the integration cycles are staggered in time and such that every two sequentially occurring integration cycles partially overlap.

REFERENCES:
patent: 4939472 (1990-07-01), Uchida et al.
patent: 5036289 (1991-07-01), Duran
patent: 5324995 (1994-06-01), Yee
patent: 5554944 (1996-09-01), Van Buul et al.
patent: 5872470 (1999-02-01), Mallinson et al.

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