Detection system and method for factors affecting power quality
A detection system and power quality technology, applied in the field of power grids, can solve problems such as the inability to accurately detect power quality influencing factors, and achieve the effect of accurately detecting power quality influencing factors
Active Publication Date: 2017-12-08
STATE GRID CORP OF CHINA +1
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[0005] The main purpose of the present invention is to provide a detection system and method for influencing factors of power quality, so as to solve the problem that the factors affecting power quality cannot be accurately detected under the background of real power consumption
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[0023] 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.
[0024] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.
[0025] It should be noted that the terms "first" and "second" in ...
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The invention discloses a detection system and method for factors affecting power quality. The detection system of the influencing factors of power quality includes: a digital simulation device, which is used to obtain the voltage disturbance simulation signal of the target power consumption system under the preset voltage disturbance; a customized power device, which is used to control the detection system under the control of the voltage disturbance simulation signal control the power quality; and the detection device, connected to the electric equipment, is used to respectively detect the first operation data and the second operation data, so as to determine the influence factors of the power quality according to the first operation data and the second operation data, wherein, the first The first operation data is the operation data of the electric equipment before the power quality control, and the second operation data is the operation data of the electric equipment after the power quality control. The invention solves the problem that the factors affecting the power quality under the real power consumption background cannot be accurately detected.
Description
technical field [0001] The invention relates to the technical field of power grids, in particular to a detection system and method for factors affecting power quality. Background technique [0002] Power quality refers to the quality of electric energy in the power system. Deviations in voltage, current or frequency in the power system may cause electrical equipment to fail or not work properly. With the development of cities, factors causing power quality problems are increasing, especially with the commissioning of some nonlinear loads, making it difficult to guarantee power quality and power supply reliability. Especially for some sensitive loads or sensitive equipment, higher requirements are put forward for the power quality. Therefore, it is extremely important to detect the factors affecting the power quality that affect the operation of electrical equipment. [0003] At present, the detection of power quality is generally completed in the power quality laboratory, ...
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IPC IPC(8): G01R31/00
Inventor 孙健钱叶牛竺懋渝袁清芳王海云杨楠张岩王存平刘慧珍
Owner STATE GRID CORP OF CHINA