Static var generator capacity and installation position selection method and system for power distribution network

A technology of static var and installation location, which is applied in circuit devices, flexible AC transmission systems, reactive power adjustment/elimination/compensation, etc., to achieve good convergence, avoid concentration and local convergence problems, and fast solution speed

Pending Publication Date: 2021-02-12
国网青海省电力公司果洛供电公司 +3
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  • Description
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method for selecting the capacity and installation location of static var generators for distribution networks, which solves the

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  • Static var generator capacity and installation position selection method and system for power distribution network
  • Static var generator capacity and installation position selection method and system for power distribution network
  • Static var generator capacity and installation position selection method and system for power distribution network

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Embodiment Construction

[0066] It should be understood that when used in this specification and the appended claims, the terms "comprising" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude one or Presence or addition of multiple other features, integers, steps, operations, elements, components and / or collections thereof.

[0067] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above te...

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Abstract

The invention discloses a method and system for selecting the capacity and installation position of a static var generator for a power distribution network, and the method comprises the steps: enabling the capacity Qi of reactive compensation equipment arranged at each node position of the power distribution network to form a chromosome gene, and enabling each chromosome to represent a scheme forthe site selection and capacity configuration of the reactive compensation equipment; forming a phenotype of the gene by adopting a plurality of target functions representing the operation effect andthe economic index of the reactive power compensation scheme, and taking the phenotype as a basis for gene selection; initializing a population and population algebra of the gene, and giving the maximum number of iterations; and if the current iteration is completed, outputting an optimization result, selecting a scheme with the minimum voltage square deviation, and determining the capacity and the installation position of the reactive power compensation equipment. According to the method and the system, the multi-objective optimization problem of reactive power compensation configuration canbe quickly and efficiently solved, and the method and the system have important engineering value and wide expansibility.

Description

technical field [0001] The invention belongs to the technical field of reactive power compensation for distribution networks, and in particular relates to a method and system for selecting the capacity and installation position of static var generators for distribution networks. Background technique [0002] In the plateau, mountainous and remote areas of western my country, sparse distribution networks with large coverage, low load density and few power points widely exist. At present, many problems in the operation of the 10kV sparse distribution network are increasingly exposed, mainly including: high per household investment in distribution network, poor economy; long power supply radius, large voltage loss, low power quality; large load changes, voltage adjustment Difficulties, conventional fixed reactive power compensation does not meet the operational requirements and other issues. In view of the above problems, it is necessary to study the long-distance distribution...

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Application Information

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IPC IPC(8): H02J3/18G06N3/12
CPCH02J3/18H02J3/1871G06N3/006G06N3/123G06N3/126H02J2203/10H02J2203/20Y02E40/10
Inventor 邓军波郭昱博朱晓光李学荣马丽山李永斌韩俊垚董顺虎刘小庆于涛王磊陈文君刘夫达王生宏丁元杰祁明录魏浩
Owner 国网青海省电力公司果洛供电公司
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