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A Method to Simplify the Power Quality Data Exchange Format pqdif

A data exchange format and power quality technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of large data records and inability to realize real-time data transmission

Active Publication Date: 2018-07-31
STATE GRID CORP OF CHINA +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Its limitation is that PQDIF only stipulates the historical data transmission format, the data records are large, and real-time data transmission cannot be realized

Method used

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  • A Method to Simplify the Power Quality Data Exchange Format pqdif

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Embodiment Construction

[0021] The core of the present invention is to provide a method for simplifying the power quality data exchange format PQDIF, so as to realize the simplified power quality data exchange format PQDIF, so that the simplified PQDIF can be used for the purpose of real-time data transmission.

[0022] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] Please refer to figure 1 , figure 1 A flow c...

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Abstract

The invention discloses a method for simplifying power quality data interchange format PQDIF. The method comprises the steps of preliminarily defining a recording head file format, and canceling a reading head of a local real-time data record; transmitting data of each real-time data record according to the recording head file format when a real-time mode is started; linking a first real-time data record and the recording head in the recording head file format, and linking the subsequent real-time data records one by one according to a time sequence; combining all real-time data records and the recording head in the recording head file format to form a complete PQDIF data file when the real-time mode is ended. According to the method, the PQDIF can be simplified, and the simplified PQDIF can be used for transmitting the real-time data.

Description

technical field [0001] The invention relates to the technical field of power quality monitoring, in particular to a method for simplifying the power quality data exchange format PQDIF. Background technique [0002] The problem of power quality has always been an extremely serious problem faced by the power sector and its power users. Generally speaking, power quality problems can be divided into steady state power quality problems and transient power quality problems. The main performance indicators of steady-state power quality problems are: grid frequency, voltage deviation, unbalance, harmonics, and voltage flicker; transient power quality includes voltage sags, swells, and short-term interruptions, and its main index parameters include maintaining voltage and duration. [0003] At present, the power quality online monitoring system is widely used in the domestic power system. Since there is no corresponding national standard for data transmission protocol, generally r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
CPCG06F16/11
Inventor 王莹庞博赵娜任智慧李海雨姚然高宇航马骁李德宇李锋蔡晨冉杨丽张伟
Owner STATE GRID CORP OF CHINA
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