Method and circuit arrangement for measuring in-phase and quadra

Details Method and circuit arrangement for measuring in-phase and quadra Method and circuit arrangement for measuring in-phase and quadra

1986-08-01

1989-03-21

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural inputs

324 83D, 324141, 364841, G01R 1900, G01R 1906

Patent

active

048146960

ABSTRACT:
A method and circuit arrangement for measuring in-phase current and quadrature current in an electrical alternating current power supply is disclosed. The invention uses a microprocessor whereby four integral values A.sub.1 through A.sub.4 are combined in such as to allow determination of the in-phase current and the quadrature current. The invention is useful in recording in-phase and quadrature components of current from an alternating current power supply.

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patent: 4584652 (1986-04-01), Sturza et al.
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patent: 4672555 (1987-06-01), Hart et al.
"Power Measurement (Active or Reactive)", by Desoanx, Electron. and Appl. Ind. (France), #262S, 1/15/79, d. 324-142.
"On the Electronic Three-Phase Active and Reactive Power Measurement", by Miljanic et al., IEEE Trans. on Ins. & Meas., 12/78, vol. IM-27, #4, pp. 452-455, U. 324-142.
Pages 103 through 107 of "IEEE Transactions on Instrumentation and Measurement" (Jun.-Sept.)/64, by Drew et al.

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