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Merging unit sampling value output control system and merging unit

A technology for outputting control and sampling values, applied in the field of merging units, can solve the problem that the merging unit cannot realize the controllable output of sampling values, etc., and achieves the effect of facilitating the positioning problem and simplifying the operation.

Active Publication Date: 2016-01-13
XUJI GRP +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a sampling value output control system for a merging unit, which is used to solve the problem that the existing merging unit cannot realize the controllable output of the sampling value

Method used

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  • Merging unit sampling value output control system and merging unit

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the drawings.

[0020] Example of control system for sampling value output of merging unit

[0021] Such as figure 1 Shown is a schematic diagram of the sampling value output control system of the merging unit of the present invention. As can be seen from the figure, the control system includes a merging unit and a data control unit. The data control unit may be a separate controller, or a sampling value control tool set up by a software program in the PC. This embodiment takes the sampling value control tool in the PC as an example. The merging unit includes a data processing unit and FLASH memory, and the CPU target program is stored in the FLASH memory. The data processing unit may be a conventional controller or a CPU, and this embodiment takes the CPU as an example.

[0022] The CPU includes a condition judgment module, a memory management module, and a re-sampling module connected in s...

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Abstract

The invention relates to a merging unit sampling value output control system and a merging unit. The merging unit sampling value output control system includes a data control unit and a merging unit. The merging unit comprises a data processing unit. The data processing unit comprises a condition judging module, a memory management module and a re-sampling module, which are all connected in sequence. The output end of the re-sampling module is provided with two sampling value cache regions used for storing identical sampling value data, wherein data of one sampling value cache region is sent to a protective measurement and control device, and data of the other sampling value cache region is provided to the data control unit. Condition judging is needed before re-sampling processing, and subsequent operations can be performed only a certain condition is achieved. In the above way, the accuracy and reliability of sampling value data can be ensured, and sampling value data can be well output in a controllable manner by setting a judging condition.

Description

Technical field [0001] The invention relates to the processing of internal sampling values ​​of a merging unit, in particular to a merging unit sampling value output control system and a merging unit. Background technique [0002] At present, the merging unit is more and more widely used in smart substations. The merging unit merges and synchronizes the electrical quantities transmitted by the primary transformer, and forwards the processed digital signals to the bay layer equipment in a specific format. Device. The merging unit is an interface device for electronic current and voltage transformers, which to a certain extent realizes the sharing and digitization of process-level data. It plays an important role as the data source of the digital substation bay level and station control level equipment following the IEC61850 standard. . The input of the merging unit is composed of digital signals, including the sampled value output by the collector, power supply status informatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/24024
Inventor 朱建斌任红旭赵应兵陈玉峰杜文周水斌刘晓霞卢声
Owner XUJI GRP