Power transmission and transformation system reliability statistics evaluation method based on circuit and connection points
An evaluation method, a technology of power transmission and transformation, applied in information technology support systems, calculations, instruments, etc., can solve the problems of inability to accurately reflect the performance indicators of power transmission and transformation systems, and the evaluation results of power transmission and transformation systems are not complete, etc., to achieve Highly integrated, reliable statistical evaluation results are complete and accurate
Inactive Publication Date: 2016-04-13
SHENZHEN POWER SUPPLY BUREAU +1
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[0004] The inventor found through research that the evaluation methods in the prior art often cannot accurately reflect the overall performance indicators of the power transmission and tr
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[0043] seefigure 1 , figure 1 It is a schematic flowchart of a statistical evaluation method for the reliability of power transmission and transformation systems based on loops and connection points in the present invention.
[0044] A method for statistical evaluation of the reliability of power transmission and transformation systems based on loops and connection points of the present invention comprises the following steps:
[0045] S1, according to the geographic wiring diagram of the power grid of the power transmission and transformation system and the primary wiring diagram of the substation station, a logic circuit is generated by dividing each bus, main transformer and transmission line in the power transmission and transformation system by taking the operation and maintenance unit as a unit; The logic circuit includes a busbar circuit, a power transformation circuit and a power transmission circuit.
[0046] In the embodiment of the present invention, by obtaining t...
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The invention provides a power transmission and transformation system reliability statistics evaluation method based on a circuit and connection points. The power transmission and transformation system reliability statistics evaluation method comprises the following steps: dividing each bus line, each main transformation line and each power transmission line in a power transmission and transformation system to generate a logic circuit; dividing each physical connection point; obtaining the power transmission and transformation facility outage event information of a reliability management system, and calculating a conversion coefficient of the logic circuit according to a loss degree of a logic circuit function due to the outage event; obtaining a power supply reliability outage event of the reliability management system, and recording a connection point outage event and outage loss into a logic circuit outage event and connection point outage influence; obtaining the logic circuit outage event, calculating the power transmission and transformation reliability index of the logic circuit; and obtaining the outage influence of each class of physical connection points, and carrying out accumulative calculation on the comprehensive reliability index of the power transmission and transformation system. The power transmission and transformation system reliability statistics evaluation method adds the evaluation index of a space truss structure toughness degree and the evaluation index of power supply continuity, and therefore, a power transmission and transformation system reliability statistics evaluation result is complete and accurate.
Description
technical field [0001] The invention relates to the field of grid reliability evaluation, in particular to a reliability statistical evaluation method for power transmission and transformation systems based on loops and connection points. Background technique [0002] A comprehensive and objective evaluation of the reliability of the transmission system can provide a more scientific decision-making basis for the planning and operation of the power grid, and is of great significance for improving the reliable power supply level of the entire power system. [0003] In the prior art, when evaluating the reliability of the power transmission and transformation system, the technical solution adopted is to evaluate each facility or equipment in the power transmission and transformation system separately, and then obtain the overall evaluation of a certain type of equipment in the power transmission and transformation system result. [0004] The inventor found through research tha...
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CPCG06Q50/06Y04S10/50
Inventor 李林发刘莎史小强王天华张媛王彦敏高克
Owner SHENZHEN POWER SUPPLY BUREAU
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