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Power quality disturbance source working condition identifying method

A technology of power quality and identification method, which is applied in the direction of measuring electric variables, measuring electricity, measuring devices, etc., can solve the problems of high cost, low efficiency, and low cost, and achieve the effects of improving efficiency, overcoming low efficiency, and reducing costs

Active Publication Date: 2016-03-30
GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +2
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Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a power quality interference source working condition identification method, which overcomes the shortcomings of traditional power quality analysis methods such as low efficiency, high cost, and unsuitability for processing large-scale data sets. In terms of working condition identification, it is practical and efficient, with low cost and good performance

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Embodiment Construction

[0028] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments 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.

[0030] The present invention provides a method for identifying working conditions of power quality interference sources, such as figure 1 shown, including:

[0031] (1) Acquiring the ...

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Abstract

The invention relates to a power quality disturbance source working condition identifying method comprising the following steps: (1) acquiring power data of a power quality disturbance source; (2) acquiring a power data format which can be used for clustering; (3) analyzing the acquired power data; and (4) classifying the acquired power data using a clustering analysis method. The method provided by the invention overcomes the defects of the traditional power quality analysis method such as low efficiency, high cost and unsuitability for large-scale data set processing, is practical and efficient in the aspect of power quality disturbance source working condition identification, and is of low cost and good performance.

Description

technical field [0001] The invention relates to the field of electric energy quality evaluation of a transmission network, in particular to a method for identifying working conditions of electric energy quality interference sources. Background technique [0002] The contemporary transmission grid is undergoing profound changes in many aspects. With the acceleration of the construction of a strong smart grid with the UHV grid as the backbone grid and the coordinated development of grids at all levels, the factors that generate power quality disturbances in the transmission grid are increasing, and power quality disturbances are also increasing. present new features. The rapid growth of new energy power generation and distributed power generation and the continuous increase in the voltage level of power quality interference source users accessing the system have brought new challenges to the operation of the power grid. [0003] In order to grasp the power quality level of th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 张波张迪付德慧丁宁王同勋陈兵温惠
Owner GLOBAL ENERGY INTERCONNECTION RES INST CO LTD
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