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Large-scale power distribution network N-1 rapid verification method based on wiring mode rules

A technology of wiring mode and verification method, which is applied in the direction of instruments, data processing applications, calculations, etc., and can solve problems such as infeasible solutions

Inactive Publication Date: 2014-10-08
STATE GRID CORP OF CHINA +1
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Problems solved by technology

If it is satisfied, it will pass the N-1 check. However, this method may have an infeasible solution, which needs to be further eliminated according to the scheduling operation rules

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  • Large-scale power distribution network N-1 rapid verification method based on wiring mode rules
  • Large-scale power distribution network N-1 rapid verification method based on wiring mode rules
  • Large-scale power distribution network N-1 rapid verification method based on wiring mode rules

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Embodiment Construction

[0027] The method for quickly verifying large-scale distribution network N-1 based on wiring pattern rules provided by the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] Purpose of the present invention:

[0029] From the perspective of urban distribution network planning, an N-1 fast verification method for distribution network planning based on wiring pattern rules is proposed. The method uses heuristic rules to quickly determine the restoration power supply scheme after component failure. Firstly, the topology analysis and wiring pattern recognition are carried out, and the distribution network wiring pattern rule analysis database is established. Based on the switching operation criteria of the wiring pattern rule library, the power supply restoration scheme is determined. Then carry out the N-1 safety verification of the distribution network according to the verification index, and the ...

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Abstract

Provided is a power distribution network N-1 safety verification method based on wiring mode rules. The method comprise the steps of distribution network preprocessing, wiring mode automatic identification, term-by-term N-1 verification, distribution network preconceived accident analysis, fault influence range confirmation, power supply recovery scheme set confirmation, sorting of power supply recovery scheme set, power supply recovery scheme verification, S10 stage selection from an optimal power supply recovery scheme, safety verification comprehensive assessment and the like. The power distribution network N-1 rapid verification method based on wiring mode rules is provided on the basis of automatic identification and analysis of a power distribution network wiring mode in recent years. The method can perform rapid N-1 verification on a power distribution network and can also perform load-station N-1 safety comprehensive assessment.

Description

technical field [0001] The invention belongs to the field of grid power supply security and static security analysis in power distribution system planning, and in particular relates to a large-scale distribution network N-1 quick verification method based on wiring pattern rules. Background technique [0002] The main task of urban power grid planning is to determine when, where, and what kind of power facilities will be newly built or rebuilt in the planning area and their operation mode, so as to meet the load development and various grid technical requirements in the future. Power supply security is a major aspect of power grid planning, which includes the ability of the grid to prevent large-scale power outages and the ability to solve them after power outages occur, and involves both the current state of the power grid and the anticipated accidents. Therefore, it is necessary to quantitatively evaluate whether the distribution network can maintain and to what extent the...

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Application Information

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IPC IPC(8): G06Q50/06
Inventor 王博肖峻于树刚程法庆皮曦楠金熙
Owner STATE GRID CORP OF CHINA
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