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

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...

AI Technical Summary

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 energy power reference transmits the value of the digital electric energy measuring instrument. The value transmission link is long and the uncertainty components are many, which cannot meet the detection requirements of high-accuracy digital electric energy metering instruments

Images