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Wind-water-fire combined dispatching method based on wind power priority grid connection

A joint dispatch, wind power priority technology, applied in the direction of instruments, data processing applications, forecasting, etc., can solve problems such as not fully considering the seasonality of wind power fluctuations in hydropower generation, the optimization algorithm is too simple, and falling into local optimum.

Active Publication Date: 2016-08-17
ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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Problems solved by technology

This system can more accurately allocate power to the power plant, but on the one hand, it does not fully consider the fluctuation of wind power and the seasonality of hydropower generation, on the other hand, the optimization algorithm is too simple, and it is easy to fall into local optimum

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  • Wind-water-fire combined dispatching method based on wind power priority grid connection
  • Wind-water-fire combined dispatching method based on wind power priority grid connection
  • Wind-water-fire combined dispatching method based on wind power priority grid connection

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Embodiment Construction

[0057] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the examples of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0058] Such as figure 1 , a wind-water-fire joint scheduling method based on wind power priority connected to the grid, including the following steps:

[0059] Step S1: Obtain wind power forecast power and load forecast power from dispatch;

[0060] Step S2: Optimizing all wind power generation to be connected to the grid, constructing objective functions and constraint functions for the power in the wet season and the dry season respectively, and then jointly sc...

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Abstract

The invention belongs to the technical field of power system power distribution network dispatching operation and grid management, and particularly relates to a wind-water-fire combined dispatching method based on wind power priority grid connection. The method comprises the following steps: firstly, obtaining wind power prediction power and load prediction power in one day by a dispatching center; secondly, establishing a target function and a constraint function by a wet season and a dry season; thirdly, adopting a particle swarm algorithm to solve a target function; and finally, according to an optimal solution, distributing output power between a hydraulic power plant and a heat-engine plant. The method fully considers the characteristics of big volatility and low cost of wind power grid connection, carries out analysis combined dispatching in two periods of the wet season and the dry season, adopts the particle swarm algorithm to carry out global optimization on a dispatching algorithm, obtains the optimal solution to carry out power distribution dispatching, and realizes the full utilization of renewable energy sources and economic benefit maximization.

Description

technical field [0001] The invention belongs to the technical field of power system distribution network scheduling operation and power grid management, and in particular relates to a combined wind, water and fire scheduling method based on wind power priority connected to the grid. Background technique [0002] With the continuous growth of energy demand, the gradual depletion of fossil fuel resources, and the increasingly prominent environmental problems, wind power generation, as one of the most economically promising power generation methods among renewable energy sources, is increasingly favored and valued by people. Different from traditional power generation, the output power of wind power is intermittent and random, which brings new challenges to power system dispatching. After the wind power is connected to the grid, the combined optimal dispatch of wind, water and fire in the power system is a subject with significant economic benefits but relatively complex calcul...

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06Y02E40/70Y04S10/50
Inventor 肖静张阁杨艺云李小伟高立克肖园园黎敏陈卫东严旭
Owner ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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