Multi-state Power System Reliability Analysis Method Based on Sequence Optimization and Monte Carlo
A power system and analysis method technology, applied in the field of power system optimization processing, can solve the problems of reducing the accuracy of results, lack of the highest reliability system, etc., and achieve the effect of improving accuracy, ensuring accuracy, and accuracy
Active Publication Date: 2019-07-09
ZHEJIANG UNIV
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Problems solved by technology
The HR rules of the sequence optimization algorithm are no longer applicable, which will reduce the accuracy of the results. The existing technology lacks a method that can accurately obtain the system with the highest reliability
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Embodiment Construction
[0073] The present invention will be further described below in conjunction with drawings and embodiments.
[0074] Embodiments of the present invention are as follows:
[0075] Step 1: Classify all multi-state power systems, find a most representative basic system in each category, and use Monte Carlo algorithm to calculate the reliability of the basic system;
[0076] There are 15 kinds of system structures in this embodiment, such as Figure 2 to Figure 16 As shown, it is divided into four categories, assuming that the components are the same, where the box represents that the component group has a common cause failure structure.
[0077] In each system structure, the boxes represent individual power components, the series connection of two boxes represents the series connection of power components, the parallel connection of two boxes represents the parallel connection of power components, and the box between two components represents the two components There is a common...
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The invention discloses a multiple-state electric power system reliability analysis method based on order optimization and a Monte Carlo method. The method comprises the steps of classifying all systems for finding out a basic system, and calculating reliability of the basic system by means of the Monte Carlo method; obtaining the rough reliability of the residual system through a first correctionmethod, processing the rough reliabilities of all multiple-state electric power systems by means of the order optimization algorithm BP for performing first screening; based on the reliability of thebasic system, performing calculated through a second correction method, and performing second screening by means of the order optimization algorithm BP; and finally obtaining the multiple-state electric power system with highest reliability through the Monte Carlo method. The multiple-state electric power system reliability analysis method has advantages of greatly reducing calculation time and realizing higher accuracy in a screening process. The multiple-state electric power system reliability analysis method is suitable for a system and is more suitable for a real condition.
Description
technical field [0001] The invention relates to a power system optimization processing method, and relates to a multi-state power system reliability analysis method based on sequence optimization and Monte Carlo in the multi-state power system reliability analysis. Background technique [0002] Reliability technology was first developed from the aerospace industry and the electronics industry after the Second World War, and has now penetrated into many industrial sectors such as aerospace, electronics, chemicals, and machinery. The penetration of reliability technology into the power industry and electrical equipment manufacturing industry began in the mid-1960s, and has developed very rapidly since then. The function of the power system is to provide users with qualified electric energy as reliably and economically as possible. Its reliability can be defined as the ability to provide qualified and continuous electric energy to users. This ability is usually expressed by pro...
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IPC IPC(8): G06Q10/04G06N3/08G06Q50/06
CPCG06N3/084G06Q10/04G06Q50/06
Inventor 丁一胡怡霜郭创新叶承晋
Owner ZHEJIANG UNIV