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PSD-BPA-based power grid wind power integration evaluation system and method

A PSD-BPA, evaluation system technology, applied in the field of grid wind power access evaluation system, can solve the problem that research has not been widely carried out

Active Publication Date: 2016-02-24
STATE GRID CORP OF CHINA +1
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Problems solved by technology

[0003] The power grid data in southern China is based on the PSD-BPA software. However, the application and related research on the PSD-BPA-based grid wind power access evaluation system and method have not been reported, and research in this direction has not been widely carried out.

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Embodiment Construction

[0036] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0037] see figure 1 , figure 1 It is a structural block diagram of a grid wind power access evaluation system based on PSD-BPA of the present invention. A power grid wind power access evaluation system based on PSD-BPA, including a data access module, a data storage module, a data calculation module, a data analysis module, and a wind power access capability analysis and output module.

[0038] Among them, the data access module automatically accesses the PSD-BPA grid basic data, introduces wind power access points, and stores the grid basic data and wind power access point data in the data storage module.

[00...

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Abstract

The invention discloses a PSD-BPA-based power grid wind power integration evaluation system and method. The PSD-BPA-based power grid wind power integration evaluation system includes a data connection module, a data storage module, a data calculation module, a data analysis module and a wind power integration capability analysis and output module. According to the method of the invention, power grid basic data of PSD-BPA are automatically connected; wind power access points are introduced; the number of wind power access points is increased layer by layer; a short-circuit capacity ratio k, a voltage flicker value and harmonic content which are outputted by the data calculation module and the data analysis module are automatically compared with threshold values; and wind power installed capacity which exceeds the threshold values is the maximum wind power integration capability of a line model. According to the PSD-BPA-based power grid wind power integration evaluation system of the invention, the short-circuit capacity ratio, voltage flicker value and harmonic content are rapidly analyzed according to the line model which is built according to actual lines, and the maximum wind power integration capability of the line model can be obtained, and therefore, reference values can be provided for wind power integration, and work efficiency can be improved.

Description

technical field [0001] The invention relates to the technical field of wind power access evaluation, in particular to a PSD-BPA-based grid wind power access evaluation system and method thereof. Background technique [0002] As a renewable resource, wind energy has the advantages of being renewable, non-polluting, large reserves, and widely distributed. At the same time, wind power has a lower cost than other new energy sources, and its technology is more mature. It has the conditions for large-scale commercial development and has become an important part of the world's energy. Wind power is random and intermittent, and large-scale grid integration of wind power will affect the normal and stable operation of the power system. The impact of large-scale access to wind power on the grid is mainly reflected in voltage, frequency, and power fluctuations. The impact on regional power grids is mainly reflected in voltage fluctuations. Wind power access evaluation is an important...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38
CPCH02J3/386H02J2203/20Y02E10/76
Inventor 王有军黄寅张瑾陈信吴广生
Owner STATE GRID CORP OF CHINA
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