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Probability distribution-based wind farm cluster output power smoothing effect analysis method

A technology of wind power output and probability distribution, applied in wind power generation, circuit devices, AC network circuits, etc., can solve the problem of difficult to intuitively display the distribution law of smoothing effect indicators, and achieve a significant smoothing effect, a small degree of dispersion, and smooth fluctuations. Effect

Active Publication Date: 2017-05-24
YUNNAN POWER GRID +1
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Problems solved by technology

[0005] The purpose of this application is to solve the problem that it is difficult to intuitively display the distribution law of the smoothing effect index in the smoothing effect analysis method of the wind farm cluster output

Method used

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  • Probability distribution-based wind farm cluster output power smoothing effect analysis method
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  • Probability distribution-based wind farm cluster output power smoothing effect analysis method

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Embodiment Construction

[0054] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description serve to explain the principles of the application.

[0055] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, In other words, other drawings can also be obtained from these drawings without paying creative labor.

[0056] see figure 1 As shown, it is a schematic flow chart of a method for analyzing the smoothing effect of wind farm cluster output based on probability distribution provided by this application. The method includes the following steps:

[0057] Step S101. Obtain the wind power data of the wind farm as sample data of wind po...

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Abstract

The present belongs to the new energy power generation technical field and relates to a probability distribution-based wind farm cluster output power smoothing effect analysis method. The method includes the following steps that: the wind power data of a wind farm are acquired and are adopted as wind electricity output power sample data; normalization processing is performed on the sample data, so that processing-post new data can be obtained; wind farm cluster output power smoothing effect indexes are obtained through calculation according to the new data; and the result of a wind farm cluster output power smoothing effect is determined according to the probability distribution of the indexes. According to the probability distribution-based wind farm cluster output power smoothing effect analysis method of the present, the three smoothing effect indexes, namely, wind electricity output power weighted probability, maximum output power simultaneity rate and average absolute fluctuation coefficient, are provided from the perspective of probability distribution; and influence on the wind farm cluster output power smoothing effect caused by different space scales can be obtained through comparison and analysis.

Description

technical field [0001] This application relates to the technical field of new energy power generation, in particular to a method for analyzing the smoothing effect of wind farm cluster output based on probability distribution. Background technique [0002] In recent years, with the increasing energy demand, the greenhouse effect and various environmental pollution problems have become increasingly serious, vigorously developing new energy has become an important part of the sustainable development strategy of various countries. Among them, wind power has become the leading new energy development with its relatively mature technology, abundant resource reserves and low power generation cost. However, with the gradual increase of the penetration rate of wind power in the power grid, the characteristics of wind power generation such as volatility, randomness and uncertainty have brought a lot of problems to the safe and stable operation of the power system, power quality and it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/46
CPCH02J3/46H02J2203/20Y02E10/76
Inventor 王文玺吴耀武刘宝林娄素华王曦冉王永灿汪昌霜高逸
Owner YUNNAN POWER GRID
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