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A Development of Real-Time-Piecewise Meter for Three-Phase Power

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  • Baida Qu

Abstract

Aiming at realising a whole range precision metering for both ultra-lower load power circumstance and normal one, this paper proposed a device for the piecewise real-time metering in terms of load power. The design, at the measuring entrance, took a piecewise inputting real-time load signal from the entrance according to the ratio of its three-phase power; through controlled switching, the load signal measured under different ratio was processed by ATT7022B-type metering chip, and calculated by AT89S52-type MCU under different range; and then was processed to satisfy the output required for the multi-function electrical power metering device. The result of the experiments has demonstrated that the design has realized an error equilibrium over whole range, precise metering and other functions.

Suggested Citation

  • Baida Qu, 2008. "A Development of Real-Time-Piecewise Meter for Three-Phase Power," Modern Applied Science, Canadian Center of Science and Education, vol. 2(5), pages 1-53, September.
    • Handle: RePEc:ibn:masjnl:v:2:y:2008:i:5:p:53
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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