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Configuration method of comprehensive compensation device based on external characteristics of load group in commercial area

A technology with external characteristics and comprehensive compensation, applied in reactive power compensation, circuit devices, reactive power adjustment/elimination/compensation and other directions, which can solve problems such as overcompensation, affecting power system operation, and undercompensation.

Active Publication Date: 2019-03-29
ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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Problems solved by technology

Although this configuration method is beneficial to ensure the user's power quality, the amount of reactive power switching may be far from the actual demand, and it is prone to over-compensation or under-compensation, which affects the operation of the power system

Method used

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  • Configuration method of comprehensive compensation device based on external characteristics of load group in commercial area
  • Configuration method of comprehensive compensation device based on external characteristics of load group in commercial area
  • Configuration method of comprehensive compensation device based on external characteristics of load group in commercial area

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0025] see Figure 1 to Figure 7 , a comprehensive compensation device configuration method based on the external characteristics of the load group in the commercial area in the embodiment of the present invention, including:

[0026] 101. Obtain the average value of active power and average value of reactive power corresponding to each preset time period according to the daily load curve of the commercial area;

[0027] At present, the division of power cons...

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Abstract

The invention aims at providing a comprehensive compensation device configuration method based on business district load group external characteristics. The method comprises the specific steps of S1, obtaining an active power average value and a reactive power average value corresponding to various preset time periods according to a daily load curve of a business district; S2, generating a static load model according to the active power average value and the reactive power average value; and S3, obtaining the reactive power compensation capacity of various preset time periods according to the static load model.

Description

technical field [0001] The invention belongs to the technical field of electric energy quality control, and in particular relates to a configuration method of a comprehensive compensation device based on the external characteristics of a load group in a commercial area. Background technique [0002] With the acceleration of urbanization, the progress of society and the improvement of people's quality of life, the whole society's requirements for the quality and reliability of power grid power supply are increasing day by day. The continuous growth of urban tertiary industry, especially commercial and residential electricity loads, and the operation of a large number of nonlinear loads and reactive loads have significantly weakened the support capacity of the current distribution network, and power quality problems have become more serious. [0003] The power quality control equipment mainly used in actual projects mainly includes passive compensation devices such as fixed ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/18
CPCH02J3/18H02J2203/20Y02E40/30
Inventor 刘晶马明王玲李玎徐柏榆
Owner ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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