Voltage curve similarity judging method for considering asynchronous influence of clock

A voltage curve and similarity technology, applied in the direction of only measuring voltage, measuring current/voltage, measuring electricity, etc., can solve the problem of judging method that does not involve considering the similarity of voltage curves, and achieve the effect of ensuring correctness

Active Publication Date: 2019-04-09
STATE GRID CORP OF CHINA +2
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  • Voltage curve similarity judging method for considering asynchronous influence of clock
  • Voltage curve similarity judging method for considering asynchronous influence of clock
  • Voltage curve similarity judging method for considering asynchronous influence of clock

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[0049] The technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention.

[0050] figure 1 It is a schematic flow chart of the method for judging the similarity of voltage curves considering the influence of clock asynchrony in the present invention, and the method for judging the similarity of voltage curves considering the influence of clock asynchrony includes the following steps:

[0051] A. Acquisition of data related to the distribution transformer, which includes: the corresponding relationship between the 10kV line and the distribution transformer, the name of the distribution transformer, the address code of the distribution transformer, and the outlet voltage data of the distribution transformer;

[0052] B. Preprocess the distribution transformer outlet voltage data obtained in step A

[0053] 1) The production management system records the three-phase voltage valu...

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Abstract

The invention provides a voltage curve similarity judging method for considering asynchronous influence of a clock. The method comprises the steps of: A, acquiring related data of a distribution transformer, which includes a corresponding relationship between a 10kV line and the distribution transformer, a name of the distribution transformer, an address code of the distribution transformer, and output voltage data of the distribution transformer; B, pre-processing the output voltage data of the distribution transformer acquired in the step A; C, computing a correlation coefficient of the voltage curve according to the output voltage data of the distribution transformer pre-processed in the step B; D, computing DTW (Dynamic Time Warping) distance of the voltage curve according to the output voltage data of the distribution transformer pre-processed in the step B; and E, comprehensively judging whether the voltage curves of two areas are similar or not according to the computing resultsin the step C and the step D. The method provided by the invention can correctly judge whether the voltage curves of two areas are similar or not when the asynchronous influence of the clock exists.

Description

technical field [0001] The invention relates to the technical field of distribution transformer operation, in particular to a method for judging the similarity of voltage curves considering the influence of clock asynchrony. Background technique [0002] When the distribution network is running, in order to reduce the active network loss, balance the load, and improve the reliability, it is necessary to adjust the network structure of the distribution network. After the network structure is adjusted, the relevant information in the power consumption information collection system may not be updated in time, usually through Manually verifying and updating relevant data is time-consuming and labor-intensive. [0003] The applicant of this patent proposed a method for verifying and maintaining the distribution network topology (public number: CN107508297A), which realizes the automatic verification and maintenance of the distribution network topology by analyzing the similarity ...

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Application Information

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IPC IPC(8): G01R31/00G01R19/00
CPCG01R19/0084G01R31/00
Inventor 唐泽洋周鲲鹏曹侃陈孝明舒欣闫秉科王文娜饶渝泽董航王涛肖繁刘海光周楚王莹忻俊慧
Owner STATE GRID CORP OF CHINA
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