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Error amount value verification device and error amount value transfer method of digital electric energy meter

A technology for digital electric energy meters and verification devices, which is applied to measuring devices, measuring electric variables, instruments, etc., and can solve problems such as the lack of verification standards and error transmission systems for electric energy meters.

Active Publication Date: 2013-01-30
ACCUPOWER ELECTRONIC TECH CO LTD OF TAIYUAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current value transmission system of electric energy measurement errors in my country is still based on the traditional analog system, and there is no fully digital electric energy meter verification standard and error transmission system.

Method used

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  • Error amount value verification device and error amount value transfer method of digital electric energy meter
  • Error amount value verification device and error amount value transfer method of digital electric energy meter
  • Error amount value verification device and error amount value transfer method of digital electric energy meter

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Embodiment 1. The error magnitude verification device of the new digital electric energy meter

[0027] The specific structure of the error magnitude verification device of the new digital electric energy meter in this example is as follows: Figure 1 ~ Figure 2 Jointly shown, figure 1 Shown is a schematic structural diagram of the error value verification device of the new digital electric energy meter, as shown in figure 1As shown, the error magnitude verification device 1 of the digital electric energy meter in this example consists of a traditional electric energy meter verification power supply 2 outputting three-phase AC voltage and three-phase alternating current, a traditional energy pulse error comparator 4, and a traditional three-phase Phase AC voltage and three-phase AC current input interface and a new type of modular standard electric energy meter with a digital stream output interface including voltage and current information conforming to a specific com...

Embodiment 2

[0028] Embodiment 2. The error magnitude verification device of the new digital electric energy meter

[0029] The specific structure of the error magnitude verification device of the new digital watt-hour meter in this example can be Figure 1 ~ Figure 2 etc. jointly show that the difference between the error magnitude verification device of the novel digital watt-hour meter of this example and the error magnitude verification device of the novel digital watt-hour meter of Embodiment 1 has: 1. the traditional output three-phase Electric energy meter verification power supply for AC voltage and three-phase alternating current 2, traditional energy pulse error comparator 4, new modulus standard electric energy meter 3 error value verification device 1 for digital electric energy meter combined with three parts, or one of them The three parts are combined in pairs and separated into independent or separately used settings: in this case, the energy meter verification power supply...

Embodiment 3

[0030] Embodiment 3. The error magnitude verification device of the new digital electric energy meter

[0031] The specific structure of the error magnitude verification device of the new digital watt-hour meter in this example can be Figure 1 ~ Figure 2 etc. jointly show that the difference between the error magnitude verification device of the novel digital electric energy meter of this example and the error magnitude verification device of the novel digital electric energy meter of embodiment one and embodiment two has: 1. the traditional 2. Traditional energy pulse error comparator 4. New modulus type standard watt-hour meter 3. Error value verification device for digital watt-hour meters combined with three parts 1, or two of the three parts are combined and separated into independent or independent settings: in this case, the energy pulse error comparator 4 is combined with the new modulus standard energy meter 3, and the energy meter verification power supply 2 is inde...

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Abstract

The invention discloses an error amount value verification device and an error amount value transferring method of a digital electric energy meter, belonging to the field of error metering of the digital electric energy meter. The verification device comprises a three-phase alternating current verification power supply, an electric energy pulse error comparator and a modular standard electric energy meter; the modular standard electric energy meter comprises a signal conditioning module, an A / D conversion module, a signal processing module, a digital communication module and an electric energy pulse output module as well as an interface circuit; and a verification system comprises the verification device and a verified digital electric energy meter. The error amount value transferring method of the digital electric energy meter comprises the step of: downwardly transferring or upwardly tracing the error amount value. The error amount value verification device, the verification system and the transferring method of the digital electric energy meter in the invention have the advantages of perfect design concept, rigorous design theory, rational equipment structure, convenient operation, simpleness and practicability, belong to the innovative achievement in the digital electric energy metering field, make extension and contribution for enhancing the accuracy and the modernization level of the electric energy metering of China and establishing the new system of the digital electric energy metering, and are worth to be adopted and popularized.

Description

1. Technical field [0001] The invention discloses an error magnitude verification device and an error magnitude transmission method of a digital electric energy meter, belongs to the field of digital electric energy meter error measurement, and specifically relates to an error magnitude verification device of a new digital electric energy meter and an error value of a digital electric energy meter The technical content of the three aspects of the value verification system and the error value transmission method of the digital electric energy meter. 2. Background technology [0002] In order to meet the needs of the digital development of power systems, digital power systems based on communication protocols such as IEC61850 have been more and more used. Correspondingly, a full-digital electric energy metering system has emerged as the times require. The core of the all-digital electric energy metering system is the all-digital electric energy meter. The biggest difference b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R35/04
Inventor 曹锐
Owner ACCUPOWER ELECTRONIC TECH CO LTD OF TAIYUAN
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