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Non-intrusive electric energy quality interference source online adaptive monitoring system and method

A power quality, non-intrusive technology, applied in the direction of measuring electrical variables, measuring electricity, measuring devices, etc., to achieve the effect of improving electricity satisfaction, reducing the impact of the power system, and improving the level of power quality management

Active Publication Date: 2017-06-16
TIANJIN TRANSENERGY TECH
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Problems solved by technology

However, few studies have focused on the identification of power quality interference sources, that is, judging which type or types of electrical equipment and under what conditions the detected power quality interference is generated

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  • Non-intrusive electric energy quality interference source online adaptive monitoring system and method

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Embodiment Construction

[0046] Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0047] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. It should be understood that the preferred embodiments are only some of the embodiments of the present invention, not all of them. Based on the above-mentioned embodiments, other embodiments obtained by persons of ordinary skill in the art without making creative efforts all belong to the protection scope of the present invention.

[0048] Such as figure 1 As shown, the present invention provides a non-intrusive online adaptive monitoring system for power quality interference sources, including a parameter preset module, an electrical information collection and preprocessing module, a power quality interference event detection module, and a pow...

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Abstract

The invention relates to the field of power load monitoring, and particularly relates to a non-intrusive electric energy quality interference source online adaptive monitoring system and method. The non-intrusive electric energy quality interference source online adaptive monitoring system and method are put forward by using the advanced technology achievements of the field of artificial intelligence based on the idea of the pattern recognition technology from the perspective of data mining for aiming at solving the problem of automatic identification of the electric energy quality interference source. According to the method, different types of electric energy quality interferences existing in the system can be automatically monitored and the generation source of the electric energy quality interferences can be identified, i.e. the certain or multiple types of electrical equipment and the condition of generating the certain type of electric energy quality interference can be judged and detected. The beneficial effects of the non-intrusive electric energy quality interference source online adaptive monitoring system and method are that the power system electric energy quality management level can be actually enhanced, the influence of the electric energy quality disturbance on the power system can be reduced and the power utilization satisfaction of the user can be enhanced especially in the level of the power distribution network.

Description

technical field [0001] The invention relates to the field of power system power quality evaluation, in particular to an online self-adaptive monitoring system and method for power quality interference sources. Background technique [0002] In the modern power system, on the one hand, in order to improve the performance of the power grid, power electronic equipment has been more and more widely used; on the other hand, in order to meet the needs of modern economic and social development, various nonlinear, impact, Fluctuating electrical equipment is also increasing in large numbers, such as distributed power supplies, electric vehicles, etc., which makes the power system face increasingly serious power quality pollution, and power quality disturbances also present many new characteristics; Globalization also puts forward higher requirements for power quality. [0003] To this end, it is necessary to effectively improve the power quality management level of the power system, ...

Claims

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Application Information

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IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 栾文鹏刘博余贻鑫刘浩杜伟强马骁冯丽杨静
Owner TIANJIN TRANSENERGY TECH
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