Non-linear power measurement and analysis recorder

A technology of power measurement and recorder, which is applied in the field of nonlinear measurement, can solve the problems of non-linear current or voltage measurement, nonlinear working conditions cannot achieve accurate measurement, etc., and achieve accurate and fast measurement of current or voltage The effect of adjustment

Pending Publication Date: 2018-05-04
GUANGDONG ORIENT TELECOMM TECH
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Problems solved by technology

The current measurement of nonlinear power cannot be accurately measured for impact or large-scale nonlinear conditions
[0003] In addition, for the measurement of non-linear electric quantity, the sampling of the traditional measurement is one or more cycles

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] It should be understood that the nonlinear power measurement analysis recorder can measure both current signals and voltage signals. Furthermore, the nonlinear power measurement analysis recorder also measures and records power, nonlinearity, and classifies and accumulates electric energy data.

[0023] Such as figure 1 As shown, in one embodiment, a nonlinear power measurement analysis recorder includes: a signal sampling unit, a signal conditioning u...

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Abstract

The invention relates to a non-linear power measurement and analysis recorder. The non-linear power measurement and analysis recorder comprises a signal sampling unit, a signal conditioning unit, a range selection unit, an analog-digital conversion unit, an electric isolation unit and a metering subsystem, wherein the signal sampling unit comprises multiple signal sampling circuits; the signal conditioning unit comprises multiple signal conditioning circuits; the range selection unit comprises multiple range switches; the metering subsystem is used for measurement to obtain a value of a sampled signal, controlling one range switch to be switched on according to the value and detecting whether the value of the sampled signal is in the current measuring range, when the value of the sampled signal is in the current measuring range, switching-on of the current range switch is kept, otherwise, the current range switch is controlled to be switched off, and another range switch is controlledto be switched on. Continuous rapid adjustment for the range is realized, and the recorder can be adaptive to non-linear waveform measurement, so that current or voltage measurement is more accurate.

Description

technical field [0001] The invention relates to the technical field of nonlinear measurement, in particular to a nonlinear power measurement analysis recorder. Background technique [0002] Linear power means that the input current or voltage is continuous and linear, while nonlinear power means that the input current or voltage is non-linear or dynamically changing. The current measurement of nonlinear power cannot accurately measure the impact or large-scale nonlinear working conditions. [0003] In addition, for the measurement of non-linear electric quantity, the sampling of the traditional measurement is one or more cycles of the linear waveform as the control period of the range adjustment, since the dynamic change of the non-linear waveform may occur within one cycle, therefore, the traditional Measuring energy meters cannot accurately measure non-linear current or voltage. Contents of the invention [0004] Based on this, it is necessary to provide a non-linear p...

Claims

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Application Information

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IPC IPC(8): G01R21/133G01R21/00
CPCG01R21/002G01R21/005G01R21/133G01R21/1331
Inventor 肖伟峰
Owner GUANGDONG ORIENT TELECOMM TECH
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