A kind of wind-solar hybrid power generation plan calculation method and system

A technology that complements power generation and computing methods, and is applied in computing, information technology support systems, data processing applications, etc., to achieve the effect of wide production practicability, improved usability, and clear model concept and structure

Active Publication Date: 2022-07-01
NANJING NARI GROUP CORP +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a calculation method and system for wind power and hydropower generation plan, to solve the problem that most wind power and photovoltaic power stations in large watersheds are planned power stations, and multiple power channels of cascade hydropower stations are required In the case of sending out, the calculation problem of the complementary power generation plan of wind, solar and hydropower stations

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  • A kind of wind-solar hybrid power generation plan calculation method and system
  • A kind of wind-solar hybrid power generation plan calculation method and system
  • A kind of wind-solar hybrid power generation plan calculation method and system

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Embodiment 1

[0093] The embodiment of the present invention is a method for calculating a wind-solar hybrid power generation plan, see Figure 5 shown, including the following steps:

[0094] Step 1: Collect the wind, light, hydropower information of the wind-solar hydropower station group in the watershed, and obtain the power transmission grid structure in the watershed according to the power transmission direction in the watershed.

[0095] The specific process is:

[0096] 11) Collect wind, solar, hydropower resources, power development and utilization, and planning information of wind-solar hydropower stations in the basin, as well as grid architecture and planning information, including: geographic distribution, technical parameters, grid access, history of established wind and photovoltaic power stations Operation information; hydropower station technical parameters, power generation operation and comprehensive utilization requirements, outgoing power grid access, historical operat...

Embodiment 2

[0196] by figure 1 , figure 2 For example, from upstream to downstream on the main stream of the basin, there are:

[0197] The upstream hydropower station 1-1, hydropower station 1-2, wind farm 1-1, wind farm 1-2, photovoltaic power station 1-1, photovoltaic power station 1-2; the upstream hydropower station, wind farm and photovoltaic power station are sent out through a power channel ,

[0198] The downstream hydropower station 2-1, hydropower station 2-2, wind farm 2-1, wind farm 2-2, photovoltaic power station 2-1, photovoltaic power station 2-2. Downstream hydropower stations, wind farms, and photovoltaics are sent out through another power channel.

[0199] The generalized logical relationship can be found in Figure 4 .

[0200] According to the method of the present invention, the calculation steps of the wind-solar hybrid power generation plan are as follows:

[0201] (1) Collect the information on the basin where the above 12 wind, solar and hydropower statio...

Embodiment 3

[0213] Based on the same inventive concept of the above method, the present invention also provides a wind-solar hybrid power generation plan calculation system, including a structure acquisition module, a model building module and a power generation plan calculation module;

[0214] The structure acquisition module obtains the power transmission grid structure in the watershed and the topological relationship of the hydropower station in the watershed;

[0215] The model building module establishes a layered structure covering wind power, photovoltaics and hydropower stations in the basin according to the power transmission grid structure and the topological relationship of the hydropower station, and establishes the object model of each layer based on the layered structure;

[0216] The power generation plan calculation module solves the objective function described according to the object model of each layer with the goal of maximizing the total power generation of wind and ...

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Abstract

The invention relates to the technical field of power dispatching system planning and design, in particular to a wind-solar hybrid power generation plan calculation method based on the grid structure and the hydraulic connection coupling of cascade hydropower stations under the mutual compensation operation mode of hydropower, wind power and photovoltaic power generation. It includes the following steps: According to the power transmission channels of wind power, photovoltaic and cascade hydropower stations in the basin, establish a hierarchical structure covering the basin hydropower station, wind power and photovoltaic physical power station and power source collection; On the basis of the established power station and power source hierarchical structure, establish a comprehensive The wind-solar-water complementary dispatching model considering the outgoing channels of power stations in the basin and the hydraulic connection between hydropower stations; the above models are solved according to the hierarchical coordination method to meet the needs of grid-oriented cascade hydropower stations and basin wind power and photovoltaic power complementary power generation operation and planning requirements.

Description

technical field [0001] The invention relates to the technical field of planning and design of power dispatching systems, in particular to a wind-solar hybrid power generation plan calculation method based on the grid structure and the hydraulic connection coupling of cascade hydropower stations under the mutual compensation operation mode of hydropower, wind power and photovoltaic power generation, and also relates to a Wind-solar hybrid power generation plan calculation system. Background technique [0002] In order to promote the development and utilization of renewable energy, increase energy supply, and improve energy structure, my country implements an energy development strategy of energy conservation and emission reduction, giving priority to wind, solar, water and other clean energy power generation, in order to achieve the purpose of making full use of clean energy, and A plan for large-scale development of emerging energy has been formulated. my country is rich in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q50/06
CPCY04S10/50
Inventor 赵宇丁理杰赵永龙王亮王峰周开喜王靖沈笛
Owner NANJING NARI GROUP CORP
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