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Method of realizing coordination control of power-distribution-network static var compensator and static synchronous compensator

A technology of static var compensation and static synchronous compensation, applied in reactive power adjustment/elimination/compensation, AC network voltage adjustment, flexible AC transmission system, etc., can solve problems such as complex interaction methods between DSVC and DSTATCOM, and achieve the ultimate goal Uniform distribution of optimal solutions, reduced computational complexity, good convergence and robustness

Inactive Publication Date: 2015-09-23
STATE GRID CORP OF CHINA +1
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Problems solved by technology

[0006] The purpose of the present invention is to solve the complex problem of coordinated control of the interaction between DSVC and DSTATCOM. The present invention provides a method for realizing the coordinated control of static var compensators and static synchronous compensators in distribution networks

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  • Method of realizing coordination control of power-distribution-network static var compensator and static synchronous compensator
  • Method of realizing coordination control of power-distribution-network static var compensator and static synchronous compensator
  • Method of realizing coordination control of power-distribution-network static var compensator and static synchronous compensator

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specific Embodiment approach 1

[0026] Specific implementation mode one: combine figure 1 Describe this embodiment, a method for realizing the coordinated control of the static var compensator and the static synchronous compensator in the distribution network described in this embodiment, and a method for realizing the static var compensator and the static synchronous compensator for the distribution network in the present invention device coordinated control method,

[0027] The method comprises the steps of:

[0028] Step 1: Determine multiple parameters that conflict with each other between the static var compensator and the static synchronous compensator, and use the multiple parameters as parameters to be optimized, and simultaneously determine the constraints of the parameters to be optimized;

[0029] The first step is to transform the coordination control problem between the controllers into a multi-objective optimization problem. The general description of the multi-objective optimization problem i...

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Abstract

A method of realizing coordination control of a power-distribution-network static var compensator and a static synchronous compensator belongs to the electric power system technology field. A current method used for carrying out coordination control on a DSVC and DSTATCOM interaction influence problem is complex. By using the method of the invention, the above problem is solved. The method is characterized in that a coordination problem between the controllers is converted into a multi-target optimization problem; a novel multi-target heredity algorithm with a great influence is introduced, wherein the algorithm is a rapid non-dominated sorting genetic algorithm with an elitist strategy; parameters of the power-distribution-network static var compensator and the static synchronous compensator are coordinated. Compared to a traditional multi-target algorithm, by using the method of the invention, an obtained Pareto optimal solution is distributed uniformly; convergence and robustness are good. The method can be used for solving a coordination control problem of the power-distribution-network static var compensator and the static synchronous compensator.

Description

technical field [0001] The invention belongs to the technical field of power systems. Background technique [0002] DFACTS technology is an economical and effective means to improve the power quality of power distribution system, and DFACTS device has been widely used in power distribution system. Distribution Static Var Compensator (Distribution Static Var Compensator, DSVC) and Static Synchronous Compensator (Distribution Static Synchronous Compensator, DSTATCOM) are currently the most important DFACTS devices. [0003] DSVC is a parallel reactive power compensation device. It adjusts the capacitive or inductive reactive power output by controlling the conduction of the thyristor, which can better suppress voltage fluctuations and flicker. It has fast response and simple maintenance. , the advantage of moderate cost. However, the DSVC device itself also has a series of deficiencies. First, because DSVC implements regulation and control through thyristors, it must be oper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/18H02J3/12
CPCY02E40/10
Inventor 鲍善东韩文礼孙益红
Owner STATE GRID CORP OF CHINA
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