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Economic dispatch method of power system based on finite time average consensus algorithm

A time-limited, economical scheduling technology, applied in the direction of single-network parallel feeding arrangement, etc., to achieve the effect of improving robustness, solving topology changes, and having wide applicability

Active Publication Date: 2017-11-17
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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  • Economic dispatch method of power system based on finite time average consensus algorithm
  • Economic dispatch method of power system based on finite time average consensus algorithm
  • Economic dispatch method of power system based on finite time average consensus algorithm

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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 present invention proposes a power system economic scheduling method based on a finite-time average consensus algorithm. By designing a finite-time average consensus algorithm, the optimal incremental cost and optimized power generation can be obtained on the premise that the generator meets certain operating constraints. , to solve the economic dispatch problem of the power system in a limited time, and realize that the incremental cost of each generator tends to be consistent. The method of the invention enables the economic dispatching problem of the electric power system to be solved within a limited time, reduces the communication cost, meets the requirement of fast dispatching of the smart grid in the future, and has wider applicability.

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 satisfied. 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 ...

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Application Information

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