Finite time average consistency algorithm-based economic dispatching method for power system

A time-limited, economical scheduling technology, applied in the direction of single-net parallel feeding arrangements, etc.

Active Publication Date: 2016-03-16
NANJING UNIV OF POSTS & TELECOMM +1
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a power system economic scheduling method based on a finite time average consensus algorithm, which solves the problem of fast scheduling of the power system while reducing communication costs on the premise that the generator satisfies certain operating constraints

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  • Finite time average consistency algorithm-based economic dispatching method for power system
  • Finite time average consistency algorithm-based economic dispatching method for power system
  • Finite time average consistency algorithm-based economic dispatching method for power system

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[0043] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0044] Such as Figure 7 As shown, the present invention provides a power system economic dispatching method based on a finite time average consensus algorithm, and the specific process is as follows:

[0045] First, use graph G to establish a model of the elements (busbar and transmission line) and the relationship between elements in the power system (information exchange between elements through communication facilities). Define G=(ν,ε,A), ν={ν 1 ,ν 2 ,...,ν n} represents a vertex set, is the set of different vertex pairs to repres...

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Abstract

The invention provides a finite time average consistency algorithm-based economic dispatching method for a power system. Through designing a finite time average consistency algorithm, the optimal incremental cost and the optimal generation power are obtained under the premise that generators meet certain operational constraints; the economic dispatching problem of the power system is solved within finite time; and the incremental cost of each generator tends to be uniform. According to the method provided by the invention, the economic dispatching problem of the power system can be solved within the finite time; the communication cost is reduced; the fast dispatching requirements of an intelligent power grid in the future are met; and the applicability is relatively wide.

Description

technical field [0001] The invention belongs to the technical field of power system economic dispatching, in particular to an electric power system economic dispatching method based on a finite time average consistency algorithm. Background technique [0002] Emerging smart grid architectures help to further explore some of the fundamental challenges in power distribution systems, such as economic dispatch (ED). Economic dispatch means that the generator sets allocate the total required power to each generator set under the condition that the operating cost is the lowest and the power constraints of the generators are met. Traditional solutions include λ iteration method and gradient search method, which are mainly used to solve the situation when the cost function is a convex function. Other more complex methods are used to solve the case when the cost function is non-convex, including genetic algorithm (GA), particle swarm optimization (PSO) and the latest improved partic...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/46
Inventor 岳东赵善驰吴英俊
Owner NANJING UNIV OF POSTS & TELECOMM
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