Distributed current and voltage sampling function for an electri

Details Distributed current and voltage sampling function for an electri Distributed current and voltage sampling function for an electri

1993-06-08

1994-11-29

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural inputs

361 93, 327 91, G01R 2106, G11C 2702, H02H 318

Patent

active

053693566

ABSTRACT:
A low voltage AC electric power monitoring system includes a processor which samples the current and circuit breaker system includes a processor which samples each of the current components at seventeen samples per cycle to obtain current samples representing a single period of the AC power signal. The processor samples the voltage component at different points in the voltage cycle over several cycles to obtain voltage samples representing a single period of the AC power signal.

REFERENCES:
patent: 4870351 (1989-09-01), Milkovic
Siemens Bulletin SG3169-1; "Microprocessor-Based Tripping System Static Trip III"; Siemens Energy & Automation, Inc., Raleigh, N.C. 27626; 1993.

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