Multi-meter electric energy error meter and high-voltage electric energy meter error verification system

Abstract

The invention discloses a multi-meter electric energy error meter and a high-voltage electric energy meter error verification system. The multi-meter electric energy error meter comprises a machine box body, a liquid crystal display screen, multiple wired pulse input terminals, multiple wireless pulse input antennas, a local wireless communication antenna, an RS485 communication terminal, a standard meter pulse input terminal, a verified meter pulse output terminal, an AC power socket with a switch and an error calculation and power supply module disposed in the machine box body, wherein the liquid crystal display screen, the wired pulse input terminals, the wireless pulse input antennas, the local wireless communication antenna, the RS485 communication terminal, the standard meter pulse input terminal, the verified meter pulse output terminal and the AC power socket are arranged on the machine box body, and the error calculation and power supply module includes a power supply module,a main control module and a plurality of error calculation modules corresponding to the wireless pulse input antennas. According to the provided technical scheme, the verification of a plurality of high-voltage electric energy meters can be verified at the same time by adopting a unified detection standard, the verification rate is greatly increased, and not only is the work intensity of operatorsreduced, but also the personal safety of the operators is effectively guaranteed.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of high-voltage electric energy measurement and verification, and in particular to a multi-meter electric energy error meter and a high-voltage electric energy meter error verification system. Background technique [0002] 6-35kV direct access electric energy devices, including traditional high-voltage electric energy metering boxes, miniaturized high-voltage electric energy meters with electromagnetic transformers, and integrated high-voltage electric energy meters with electronic transformers, essentially input three-phase voltage and current to this A high-voltage electric energy metering device, after step-down processing, realizes the measurement of electric quantity, the metering of electric energy and the calculation of demand. [0003] On March 1, 2017, the "GB / T 32856-2016 General Technical Requirements for High-Voltage Electric Energy Meters" began to be implemented. This ...

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Problems solved by technology

[0003] On March 1, 2017, the "GB / T 32856-2016 General Technical Requirements for High-Voltage Electric Energy Meters" began to be implemented. This type of direct-in high-voltage electric energy metering device has always been due to the lack of verification regulations in the power industry, and only some provincial and municipal verification regulations have resulted in The comprehensive error of high-voltage electric energy meter lacks a unified verification device

When the verification device has sufficient load capacity, it can output voltage and current to multiple meters under test at the same time. If the standard meter only has one pulse output, multiple meters under test can only perform single-unit verification in serial mode, and cannot Performing multiple tests in parallel will result in low test efficiency

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