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A method and system for modeling a hydropower system

A system modeling, hydropower technology, applied in the field of electric power, can solve the problems of less research and inaccurate calculation results

Pending Publication Date: 2018-12-11
CHINA ELECTRIC POWER RES INST +3
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Problems solved by technology

[0003] The existing hydropower modeling methods used in production simulation mainly consider the modeling of hydropower units and establish the power and electricity balance relationship of hydropower units. There are few studies considering reservoir models, which makes it impossible for the existing clean energy production simulation system to prioritize hydropower consumption. Inaccurate calculations, or inaccurate calculation results

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  • A method and system for modeling a hydropower system
  • A method and system for modeling a hydropower system
  • A method and system for modeling a hydropower system

Examples

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Embodiment 1

[0074] A schematic flow chart of a modeling method for a hydroelectric power generation system provided by the present invention is as follows figure 1 shown, including:

[0075] Obtain the data and differences of hydropower reservoirs, and build hydropower models.

[0076] Specifically, the modeling process of hydroelectric power generation system is as follows: figure 2 shown, including:

[0077] Step 1: Collect hydropower reservoir data in units of 15 minutes, 1 hour, 1 day or a month.

[0078] Power grid dispatchers obtain several years of historical data of hydropower reservoirs through the water regime system, and the time resolution of this data can be 15 minutes, 1 hour, 1 day or a month.

[0079] Step 2: Identify and repair the hydropower reservoir data, including:

[0080] Step 2-1: According to the statistical analysis of the autocorrelation characteristics of the time series of hydropower station and reservoir data, identify bad data and missing data in the hy...

Embodiment 2

[0123] Based on the same inventive idea, the present invention also provides a modeling system for a hydroelectric power generation system. Since the principle of solving technical problems of these devices is similar to the modeling method of a hydroelectric power generation system, repeated descriptions will not be repeated here.

[0124] The modeling system as image 3 As shown, including: modeling module;

[0125] The modeling module is used to obtain the data and differences of the hydropower reservoir and establish the hydropower model.

[0126] Wherein, the modeling module includes a first modeling subunit and a second modeling subunit;

[0127] The first modeling subunit is used to construct a hydropower model based on outflow flow when the NHQ function of the hydroelectric unit, the water level storage capacity function, the water level head function, and the maximum and minimum storage capacity constraints are known;

[0128] The second modeling subunit is used to ...

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Abstract

A method and system for modeling a hydroelectric power system include establishing a hydroelectric model based on data integrity and difference of a hydroelectric power station reservoir. According tothe data of hydropower station and reservoir, the method and system establish the hydropower model with reservoir, improve the accuracy of hydropower model, can accurately calculate the priority of hydropower dissipation, and achieve accurate calculation results.

Description

technical field [0001] The invention belongs to the technical field of electric power, and in particular relates to a modeling method and system for a hydroelectric power generation system. Background technique [0002] In recent years, with the rapid development of wind power, photovoltaics, and hydropower, it has become increasingly urgent to develop a clean energy production simulation system applied to the calculation of clean energy consumption capacity. The existing clean energy production simulation system is mainly used to calculate the priority consumption capacity of wind power and photovoltaics, calculate the amount of curtailed wind and solar in the planned level year, and propose control measures to reduce the level of curtailed wind and solar. However, the hydropower model is relatively rough and cannot Simulating the operation process of hydropower affects the accuracy of clean energy calculation. In order to better calculate clean energy consumption, it is u...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 戚永志刘纯黄越辉王跃峰王伟胜礼晓飞黄阮明凌亮黄一超王强郭明星杜非张梦瑶
Owner CHINA ELECTRIC POWER RES INST
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