Method and device for configuring phase modifiers of new energy sending-out system based on risk quantitative evaluation

A quantitative evaluation and configuration method technology, applied in the direction of single-network parallel feeding arrangement, etc., can solve the problem of incomplete formation, achieve the effect of improving support capacity and promoting new energy consumption

Active Publication Date: 2020-01-03
NARI TECH CO LTD +2
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Problems solved by technology

[0004] The purpose of the present invention is to provide a new energy delivery system configuration method based on risk quantitative assessment for the lack of a complete camera layout method in the current engineering

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  • Method and device for configuring phase modifiers of new energy sending-out system based on risk quantitative evaluation
  • Method and device for configuring phase modifiers of new energy sending-out system based on risk quantitative evaluation
  • Method and device for configuring phase modifiers of new energy sending-out system based on risk quantitative evaluation

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Embodiment Construction

[0057] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0058] like figure 1 As shown, a new energy delivery system condenser configuration method based on risk quantitative assessment includes the following steps:

[0059] (1) According to the power system data, determine the typical operation mode and expected fault set. The number of typical operating modes is M, and the number of faults in the expected fault set is F.

[0060] (2) Establish a risk cost assessment model for new energy units off-grid, and calculate the quantitative evaluation indicators for reducing the risk of new energy off-grid by configuring condensers;

[0061] In a specific embodiment, the calculation process of the risk cost assessment index for energy unit off-grid is as...

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Abstract

The invention discloses a method and a device for configuring the phase modifiers of a new energy sending-out system based on risk quantitative evaluation. The method comprises the steps as follows: determining a basic operation mode and an anticipated fault set according to the data of a power system; establishing a risk cost evaluation model for cutoff of a new energy unit from a grid; determining a site selection priority sequence of configuration sites of phase modifiers; and determining the number of phase modifiers. An optimal configuration scheme for the phase modifiers of the new energy sending-out system is quantitatively evaluated on the basis of the risk quantitative evaluation theory by considering the unification of safety and economy, and a technical means is provided for improving the reactive voltage supporting capacity of the new energy sending-out system and promoting new energy consumption.

Description

technical field [0001] The invention relates to a method and device for configuring a condenser in a new energy delivery system based on risk quantitative assessment, and belongs to the technical field of electric power automation. Background technique [0002] With the development of new energy power generation technology, it has made important contributions to my country's energy optimization and clean development. However, new energy and other power electronic equipment have low inertia and weak withstand voltage, which also bring challenges to the operation and control of the power grid. As the penetration rate of new energy continues to increase, the characteristics of the power grid have undergone tremendous changes, and the difficulty of security and stability control has increased. At present, in order to prevent new energy units such as wind power and photovoltaics from going off-grid under system AC faults, the converters of new energy units generally have high / lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/46H02J3/50
CPCH02J3/46H02J3/50
Inventor 王玉刘福锁李威郑玉平薛峰赖业宁张红丽吴雪莲朱玲赵学茂李兆伟侯玉强常海军崔晓丹谭真张倩
Owner NARI TECH CO LTD
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