Quantum voltage-based digital electric energy metering instrument detection method and system

A technology for electric energy measurement and instrument detection, which is applied in the field of digital electric energy traceability detection, can solve the problems of many uncertain components, the inability to meet the detection requirements of high-accuracy digital electric energy metering instruments, and the long transmission link of electric energy value, etc., to achieve improvement The effect of accuracy

Inactive Publication Date: 2019-01-18
STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST +4
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Problems solved by technology

[0005] The purpose of the present invention is to overcome the deficiencies in the prior art, to provide a digital electric energy measuring instrument detection method and system based on quantum voltage, to solve the problem of electric energy when the existing analog electric

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  • Quantum voltage-based digital electric energy metering instrument detection method and system

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[0032] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0033] A kind of digital electric energy measuring instrument detection method based on quantum voltage of the present invention comprises the following process:

[0034] S1, generating analog voltage and current signals;

[0035] S2, generating an AC quantum voltage signal;

[0036] S3, performing AD sampling on the analog voltage, current signal and AC quantum voltage signal respectively, to obtain the difference between the analog voltage and current sampling signal and the AC quantum voltage sampling signal;

[0037] S4, based on the analog voltage, current sampling signal and the difference between them and the AC quantum voltage sampling signal, calculate the standard analog AC power;

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Abstract

The invention discloses a quantum voltage-based digital electric energy metering instrument detection method and system. The method comprises the following steps that analog voltage and current signals and alternating-current quantum voltage signals are generated; the analog voltage and current signals and the alternating-current quantum voltage signals are subjected to AD sampling separately to obtain difference values between the analog voltage and current signals and the corresponding alternating-current quantum voltage signals; standard analog alternating-current power is obtained throughcalculation; the analog voltage and current signals are packaged into digital quantity signals for detecting the digital electric energy metering instrument to be input into a to-be-detected digital electric energy metering instrument; the digital quantity signals are used for realizing the detection of the electric energy metering accuracy of the digital electric energy metering instrument, so that the problem that when an existing analog electric energy power reference is adopted for carrying out quantity value transmission on the digital electric energy metering instrument, the electric energy quantity value transmission link is long and uncertainty components are numerous, and consequently, the detection requirements of the digital electric energy metering instrument with high accuracycannot be satisfied is solved.

Description

technical field [0001] The invention belongs to the technical field of digital electric energy traceability detection, and in particular relates to a detection method and system for a digital electric energy measuring instrument based on quantum voltage. Background technique [0002] Accurate measurement plays a fundamental role in supporting scientific research in all fields, intelligent manufacturing in all industries, and global industrial upgrading. In order to achieve accurate and effective measurement, it is necessary to ensure that all measurement results of the same quantity can be traced to the corresponding national or international measurement benchmark through an uninterrupted link with specified uncertainty. [0003] In smart substations, digital electric energy metering technology with higher accuracy is an electric measurement technology that meets the basic requirements of digitization and intelligence in the whole station, and traditional electric energy met...

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Application Information

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IPC IPC(8): G01R35/04
CPCG01R35/04
Inventor 徐晴王磊贾正森段梅梅赵双双穆小星田正其祝宇楠龚丹周超夏国芳欧阳曾恺
Owner STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST
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