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Optimizing method of high-permeability throughput type power system planning scheme

A technology for power grid planning and scheme optimization, which is used in instrumentation, data processing applications, computing, etc.

Inactive Publication Date: 2013-08-07
SOUTHEAST UNIV
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Problems solved by technology

The planning scheme of this type of power grid is very different from the traditional power grid planning. If the best planning scheme cannot be selected, these intermittent energy sources cannot be effectively utilized. In the prior art, there is no one that is suitable for high penetration throughput power grids The optimization method of the planning scheme, how to establish a multi-objective optimization method suitable for the high penetration and throughput power grid planning scheme is a problem that needs to be solved at present

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  • Optimizing method of high-permeability throughput type power system planning scheme
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  • Optimizing method of high-permeability throughput type power system planning scheme

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Embodiment Construction

[0022] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments.

[0023] like figure 1 As shown, a high penetration throughput power grid planning scheme optimization method includes the following steps:

[0024] 1) Obtain the basic data of each power grid system by detecting multiple power grids. The basic data mainly includes power flow calculation data, generator status sampling data, line status sampling data, load status sampling data, and intermittent energy output time Sequence and probability data, load random output probability data, generator governor system parameters, system random power disturbance and fault data, system fault type and location and sampling data of removal time, dynamic parameters of wind power generation and photovoltaic power generation systems in the grid and control system parameters;

[0025] 2) Establish an evaluation index model to obtain power quality, voltage stability...

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Abstract

The invention discloses an optimizing method of a high-permeability throughput type power system planning scheme. The optimizing method comprises the following steps: establishing a model for evaluating indexes of a power system, inputting base data obtained from the power system into an index value of the power system index model, obtaining the relative weight of each evaluation index based on a network analytic hierarchy process, and finally obtaining the approach degree of a scheme according to the improved ideal point sorting method so as to obtain an optimal scheme of the power system plan. According to the optimizing method of the high-permeability throughput type power system planning scheme, which is disclosed by the invention, the problem of the optimizing manner of the high-permeability throughput type power system planning scheme is solved, so that the intermittent energy source can be effectively utilized, and the utilization rate of the energy source is maximized; and the method provided by the invention can more precisely select the optimal power system planning scheme.

Description

technical field [0001] The invention relates to a grid planning scheme selection scheme, in particular to a high penetration throughput type grid planning scheme optimization method. Background technique [0002] Worldwide, intermittent energy is developing rapidly, and the proportion of clean energy generation represented by wind energy and photovoltaic power generation in the power structure is increasing, which makes the power grid present the characteristics of high penetration rate of intermittent energy. At the same time, due to the strong volatility and randomness of the intermittent power supply, when the intermittent power supply is abundant, the power grid needs to be sent out, and when the intermittent power supply is short, it needs to input electric energy from the outside, which constitutes a high Penetrate the throughput grid. The planning scheme of this type of power grid is very different from the traditional power grid planning. If the best planning scheme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q50/06
Inventor 高山王深哲谈天夫
Owner SOUTHEAST UNIV
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