Method and Device for Determining Spatial Position of Sensor Array with Four Elements

A sensor array, spatial location technology, applied in the field of simulation, can solve the problem of low positioning coverage of the discharge source, and achieve the effect of improving the positioning coverage

Active Publication Date: 2018-09-18
STATE GRID CORP OF CHINA +2
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Problems solved by technology

[0006] The main purpose of the present invention is to provide a method and device for determining the spatial position of a four-element sensor array, so as to solve the problem in the prior art that the four-element sensor array has a relatively low coverage rate for the location of the discharge source

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  • Method and Device for Determining Spatial Position of Sensor Array with Four Elements

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[0029] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0030] 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 an embodiment of a part 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 shall fall within the protection scope of the present invention.

[0031] It should be noted that the terms "fir...

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Abstract

The invention discloses a spatial position determining method for a sensor array with four array elements. The method comprises that simulation parameters of a transformer are received; multiple groups of coordinate parameters of the sensors in the sensor array are obtained, the sensor array is used to locate a discharge source of the transformer, and each group of coordinate parameters corresponds to one spatial position of the sensor array; the positioning coverage rate of the discharge source is calculated in the simulation manner according to the simulation parameters and the multiple groups of coordinate parameters to obtain multiple simulation results; a simulation result in which the positioning coverage rate of the discharge resource is maximal is selected from the simulation results; and the spatial position corresponding to the simulation result in which the positioning coverage rate of the discharge resource serves as the spatial position of the sensor array. Thus, the problem that in the prior art the sensor array with the four array elements is low in the coverage rate for positioning the discharge source is solved.

Description

technical field [0001] The invention relates to the field of simulation, in particular to a method and device for determining the spatial position of a four-element sensor array. Background technique [0002] At present, in the location measurement of transformer partial discharge sources, UHF positioning technology is usually used for positioning. Among them, UHF positioning technology uses a four-element sensor array to detect partial discharge electromagnetic wave signals, and reads the origin of each signal The initial time and make the difference, you can get three relative propagation time values ​​(that is, the propagation time difference), based on this to establish the propagation time-distance difference equations, also known as the time difference equations. The location coordinates of the discharge source can be obtained by solving and calculating the equations using the Newton iterative positioning algorithm. [0003] However, through theoretical analysis, it i...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R35/00
Inventor 程序郑书生李成榕唐志国
Owner STATE GRID CORP OF CHINA
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