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New energy power abandonment rate calculation method based on Clayton-Copula function

A calculation method and new energy technology, applied in complex mathematical operations, photovoltaic power generation, electrical components, etc., can solve problems such as large calculation errors, conservative evaluation, and low calculation efficiency, so as to avoid repeated sampling, improve calculation efficiency, and realize fast Quantitatively evaluate the effect

Pending Publication Date: 2021-05-25
NORTH CHINA ELECTRIC POWER UNIV (BAODING) +2
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems of large calculation errors, too conservative evaluation and low calculation efficiency in the existing methods, the present invention provides a new energy curtailment rate calculation method based on the Clayton-Copula function, which can effectively improve the calculation efficiency and evaluation Effect

Method used

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  • New energy power abandonment rate calculation method based on Clayton-Copula function
  • New energy power abandonment rate calculation method based on Clayton-Copula function
  • New energy power abandonment rate calculation method based on Clayton-Copula function

Examples

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Effect test

Embodiment 1

[0056]Example 1:

[0057]figure 1 Flowchart for a new energy abandoning rate calculation method based on a CLAYTON-COPULA function. Calculation methods include:

[0058]S1: Construction of New Energy Theoretical Excellence Probability Distribution Model by Aqui Mide Copula Function;

[0059]S2: Probability Distribution Function of New Energy Affairs Spatial Power Connectivity by Load Characteristics;

[0060]S3: The probability distribution function of the new energy discarded power is calculated to obtain new energy abandonment rate;

[0061]S4: Evaluate the new energy sources of the system using S3.

[0062]The S1 includes the following steps:

[0063]S101: Considering the uncertainty of scenery, based on Weibull and Beta distribution functions, establish a probability distribution function for wind power and photovoltaic theory.

[0064]For wind power power cost model, the distribution of wind speed V can be represented by a Weibull distribution function containing two parameters, and the specific proba...

Embodiment 2

[0101]Example EPRI 36 node system, example system diagramfigure 2 Indicated. A new energy abandonment rate calculation method based on a CLAYTON-COPULA function provided by the present invention includes:

[0102]S1: Construction of New Energy Theoretical Excellence Probability Distribution Model by Aqui Mide Copula Function;

[0103]S101: Considering the uncertainty of scenery, based on Weibull and Beta distribution functions, the probability distribution function of wind power and photovoltaic theory is established;

[0104]Wind power and photovoltaic probability distribution model, such asimage 3 AttachFigure 4 Down:

[0105]S102: The Aquimide Copula function is connected to the CLAYTON-COPULA function connects the extensive probability distribution model of new energy to construct new energy.

[0106]By calculating the value of the parameter θ in the obtained Clayton-Copula is 0.3892, the relationship between the scene is positively correlated, the CLAYTON-COPULA of the scenery combined system...

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Abstract

The invention belongs to the field of new energy power abandoning rate calculation methods, and particularly relates to a new energy power abandoning rate calculation method based on a Clayton-Copula function, and the calculation of the new energy power abandoning rate comprises the following steps: obtaining a new energy theoretical output probability distribution model by using the Clayton-Copula function; and calculating the new energy power abandoning rate through the combination of the new energy theoretical output probability distribution model and the new energy consumption space probability distribution function. The method can effectively improve the calculation efficiency and the evaluation effect.

Description

Technical field[0001]The present invention belongs to the field of new energy abandoning rate calculation methods, and specific relates to a new energy abandonment rate calculation method based on a CLAYTON-COPULA function.Background technique[0002]With the rapid growth of wind power and photovoltaic installed capacity, abandonment wind and abandonment problems are increasingly serious, due to wind speed and lighting have strong uncertainty, there is a strong uncertainty of new energy. The existing new energy prediction technology still cannot meet the fully accurate predictive goals, which increases the difficulty of system power balance. Therefore, the study of new energy sources is carried out, and there is an efficient and reliable gastrochemical evaluation system, which has important significance for power grid dispatching operations.[0003]However, there are two problems in the current new energy gadgetability assessment method: First, the calculation of typical Japanese analys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/18H02J3/46
CPCG06F17/18H02J3/46H02J2203/20H02J2300/24H02J2300/28Y02E10/56Y02W30/82
Inventor 刘紫东刘文颖罗凡邵冲徐兰兰王维洲韩小齐李潇张尧翔罗世刚窦常永韩旭杉王方雨张雨薇韩永军郇悦胡阳朱丽萍张雯程杨美颖曾贇庞清仑申自裕苏海军邓舜禹
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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