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Optimized operation method of wind power-pumped storage combined power generation system

A technology of pumped storage and combined power generation, applied in wind power generation, multi-objective optimization, design optimization/simulation, etc., to achieve smooth wind power output, high feasibility, comprehensive benefits and good performance

Pending Publication Date: 2021-04-09
HUBEI UNIV OF TECH
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Problems solved by technology

Some research results fall into the problem of local optima, and most of the research uses single-objective optimization. Although a more reasonable performance optimization scheme can be obtained, based on the contradiction between goals (such as economy and reliability), it is obvious that more considerations need to be made. Many goals

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  • Optimized operation method of wind power-pumped storage combined power generation system
  • Optimized operation method of wind power-pumped storage combined power generation system
  • Optimized operation method of wind power-pumped storage combined power generation system

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Embodiment Construction

[0041] The specific implementation of the present invention will be described in detail below in conjunction with the accompanying drawings. As a part of this specification, the principles of the present invention will be described through examples. Other aspects, features and advantages of the present invention will become clear through the detailed description. In the referenced drawings, the same reference numerals are used for the same or similar components in different drawings.

[0042] refer to Figure 1-Figure 4 , the wind power-pumped storage combined power generation system optimization operation method of the present invention, specifically comprises the following steps:

[0043] Step 1. Establish wind power-pumped storage joint operation model

[0044] By configuring a pumped storage power station for the wind power station, a wind power-pumped storage combined power generation system is formed, such as figure 1 shown. When the wind energy is surplus, the excess...

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Abstract

The invention discloses an optimized operation method of a wind power-pumped storage combined power generation system. The optimized operation method specifically comprises the following steps: establishing a wind power-pumped storage combined operation model; establishing a wind power-pumped storage combined output power minimum fluctuation optimization target; establishing a wind power-pumped storage optimal economic model considering the peak-valley electricity price; establishing a wind energy maximum utilization rate optimization target; determining constraint conditions of the wind power-pumped storage combined operation model; and determining a coordination scheme under the priority of each optimization target. On the basis of analyzing the significance and principle of combined power generation of a wind power generation station and a pumped storage power station, a wind power-pumped storage combined power generation three-objective optimization model is established by taking maximization of the energy utilization rate of wind power generation, minimization of grid-connected power fluctuation and maximization of combined power generation economic benefits as optimization objectives; the operation scheme has the best comprehensive benefit and performance.

Description

technical field [0001] The invention belongs to the technical field of electric power system optimization, and in particular relates to an optimal operation method of a wind power-pumped storage combined power generation system. Background technique [0002] The wind power-pumped storage combined power generation system includes two parts: wind power generation and pumped storage power generation. In recent years, wind energy has become a hot spot in the research of renewable energy in various countries. However, due to the intermittent and random characteristics of wind energy, the output power of the wind power generation system will fluctuate greatly with the change of wind energy. At this time, if the power grid is directly connected to a large proportion of wind power, it will affect the safe and stable operation of the power grid. In order to convert a large proportion of wind power into high-quality electric energy and input it into the grid, it is a better method to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J3/38H02J3/28G06F30/20G06F111/04G06F111/06
CPCH02J3/00H02J3/381H02J3/28G06F30/20H02J2203/20H02J2300/20H02J2300/28G06F2111/04G06F2111/06Y02E10/76Y02E70/30
Inventor 赵国左婉清曹天华周会睿
Owner HUBEI UNIV OF TECH
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