Novel merging unit verifying device

A calibration device, a new type of technology, applied in the direction of measuring devices, instruments, measuring electricity, etc., can solve the problems of ineffective, comprehensive, and accurate testing of key measuring equipment merging units, so as to improve the quality of electricity consumption, reduce test operations, and ensure Economical effect

Inactive Publication Date: 2014-02-05
STATE GRID CORP OF CHINA +2
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] Aiming at the above deficiencies in the prior art, the present invention provides a new type of verification device for merging units, which can measure the merging unit, so as to solve the current problem that the merging unit of the key measurement equipment in the digital substation cannot be effectively, comprehensively and accurately tested.

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  • Novel merging unit verifying device

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Embodiment Construction

[0015] Such as figure 1 Shown is a schematic diagram of the structure principle of the present invention. The novel merging unit checking device comprises a merging unit checking device, a measured merging unit, and a PC, and the merging unit checking device outputs various digital or analog signal sources and a reference clock signal to the tested merging unit, and the described The merging unit under test performs data processing on various signals received, and transmits the processed signal to the merging unit verification device, and the merging unit verification device transmits the received signal to the PC for analysis . The new merging unit checking device according to claim 1, said merging unit checking device comprises a clock module, an EIT simulator, a reference MU simulator, a monitoring unit and a network communication module connected to each other.

[0016] The main verification content of the merging unit is: a standard analog signal source can be provided ...

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Abstract

The invention relates to a novel merging unit verifying device which comprises a merging unit verifying device body, a tested merging unit and a PC. The merging unit verifying device body outputs various digital or analog signal sources and a standard clock signal to the tested merging unit, the tested merging unit carries out data processing on the received various signals and transmits the signals after data processing to the merging unit verifying device body, and the merging unit verifying device body transmits the received signals to the PC for analysis. According to the novel merging unit verifying device, independent source tracing of error components of the merging unit is achieved, and the accurate data foundation is provided for calibration or replacement of the merging unit.

Description

technical field [0001] The invention relates to a novel merging unit verification device, which is applied in the technical field of power supply. Background technique [0002] At present, the State Grid Corporation plans to implement the smart grid in three stages. The first stage (2009-2010): research pilot; the second stage (2011-2015): comprehensive construction; the third stage (2016-2020): improvement. The merging unit, referred to as MU (merging unit), is a device that performs analog / digital conversion, hybrid operation, and time-related combination on the current and voltage signals of the transformer. It is a very critical device to play the role of metering transmission in the smart grid. The accuracy of parameters such as voltage, current, and power delivered by the merging unit will directly affect the quality of the power grid. However, the previous development mode was still dominated by scientific and technological pilot projects. In this mode, related re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
Inventor 谷文旗莫杰张宝华段振坤任俊刘庆华郭子明王震学王双殷克贤刘大勇贺燕英仇静
Owner STATE GRID CORP OF CHINA
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