Distribution automation scheme optimization method and system based on reliability benefit evaluation
A distribution automation and reliability technology, applied in system integration technology, information technology support systems, instruments, etc., can solve problems such as poor optimization effect, poor reliability index accuracy, and low optimization efficiency
Active Publication Date: 2014-06-04
ZHONGSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID
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[0004] In the process of optimizing the distribution automation scheme, it is generally necessary to determine the reliability index of the distribution network. However, the traditional determination of the reliability index of the distribution network does not consider the influence of the distribution automation equipment in the distribution automation scheme. The index accuracy of the reliability index is poor, which leads to poor optimization effect and low optimization efficiency
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[0031] The present invention will be further described below in conjunction with the embodiments and drawings, but the implementation of the present invention is not limited thereto.
[0032] see figure 1 , is a schematic flowchart of an embodiment of the distribution automation scheme optimization method based on reliability benefit evaluation of the present invention. Such as figure 1 As shown, the distribution automation scheme optimization method based on reliability benefit evaluation in this embodiment includes the following steps:
[0033] Step S101: Collect historical risk basic data of components of the distribution network, and determine basic reliability parameters of the components according to the historical risk basic data;
[0034] The historical risk basic data of distribution network components can be collected for a period of time. The specific time period can be determined according to actual needs. For example, a certain period of time before and after th...
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The invention provides a distribution automation scheme optimization method and system based on reliability benefit evaluation. The method comprises the steps of collecting historical risk basic data and determining basic reliability parameters of an element; building a distribution network reliability calculation model comprising distribution automation equipment; setting element faults respectively, marking out a faulty section and a non-faulty section according to the position of a switch of the distribution automation equipment, and determining the faulty frequency and fault power-outage time of load points of the faulty section and the non-faulty section; obtaining the total fault frequency and total fault power-outage time of each load point by accumulating the fault frequency and the fault power-outage time of each time of the element faults; according to the total fault frequency and the total fault power-outage time, obtaining reliability indexes of a distribution network before and after the distribution automation equipment is applied; calculating a difference between the reliability indexes of the distribution network before and after the distribution automation equipment is applied, and optimizing a distribution automation planning scheme according to the difference and the type of the distribution automation equipment. By applying the distribution automation scheme optimization method and system based on reliability benefit evaluation, the optimization effect can be improved.
Description
technical field [0001] The invention relates to the technical field of electrical engineering, in particular to a distribution automation scheme optimization method and system based on reliability benefit evaluation. Background technique [0002] As the last link of power delivery to users, distribution network has the closest connection with users and the most direct impact on users. Therefore, the reliability of distribution network directly determines the reliability of power supply to users. However, the development of the power distribution link in my country's power grid is relatively slow compared with the power generation and transmission link, causing the distribution network to become a bottleneck that hinders the improvement of reliability. Distribution automation technology, as an automation system capable of remote monitoring, control and scheduling of distribution network, is of great significance to improving the reliability of distribution network. The contri...
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IPC IPC(8): G06Q50/06
CPCY02E40/70Y04S10/50
Inventor 王东林国明鲁宗相兑潇玮
Owner ZHONGSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID
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