Method for studying reliability of power communication network based on node importance degree and link importance degree
A technology of power communication network and node importance, applied in electrical components, data exchange networks, digital transmission systems, etc., can solve problems such as the incomplete application of traditional public communication networks
Inactive Publication Date: 2018-11-23
SICHUAN UNIV
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is: the power communication network itself is different from the public communication network, because it has the special attributes of the power industry, and there are differences in the requirements for network characteristics, so the research results of the traditional public communication network are not fully applicable problem, the present invention provides a method for researching the reliability of power communication network based on the importance of nodes and links to solve the above problems
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Embodiment 1
[0060] Such as Figure 1-Figure 6 As shown, the reliability research method of electric power communication network based on node and link importance includes the following steps:
[0061] A. Divide the power communication network into the power system layer and the communication system layer, and construct the power system layer node importance evaluation system and link importance evaluation system; communication system layer node importance evaluation system and link importance evaluation system;
[0062] B. According to the various evaluation systems of step A, the TOPSIS algorithm is used to evaluate the importance of nodes at the power system layer and the importance of links; the importance of nodes at the communication system layer and the importance of links;
[0063] C. Use the power system layer node importance value and the communication system layer node importance value obtained in step B to obtain the power communication network node importance value; use the power sys...
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The invention discloses a method for studying reliability of a power communication network based on a node importance degree and a link importance degree, comprising the steps of: building a node importance degree evaluation system and a link importance degree evaluation system of a power system layer, as well as a node importance degree evaluation system and a link importance degree evaluation system of a communication system layer; adopting a TOPSIS algorithm to evaluate a node importance degree and a link importance degree of the power system layer, as well as a node importance degree and alink importance degree of the communication system layer; calculating a node importance degree value and a link importance degree value of the power communication network by adopting a concept of power grid association degree; and evaluating a reliability measure of the power communication network according to the importance degree values. The method of the invention has the beneficial effects that: industrial characteristics of the power communication network are taken into full consideration, not only a network topology structure is considered, but also various power communication related indexes are synthesized, thus scientific and flexible evaluation can be achieved; and the method also solves the problem that the power communication network is different from a public communication network and has different requirements on network characteristics, thus research results of a conventional public communication network are not completely applicable to the power communication network.
Description
Technical field [0001] The invention relates to a new method for the reliability research of electric power communication network, in particular to a method for the reliability research of electric power communication network based on the importance of nodes and links. Background technique [0002] In the context of rapid economic development, the power grid, as a powerful guarantee for economic operation, is expanding its scale and its structure becoming increasingly complex. In recent years, large-scale blackouts have occurred frequently, causing great economic losses to the society, seriously affecting people's normal lives, threatening social security, and sounding the alarm for the safe and stable operation of the power system. [0003] In order to ensure the reliable operation of the power grid, the reliable operation of the power communication network is an important prerequisite. Therefore, it is necessary to build a safer, more stable, and more reliable power communication...
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Login to View More IPC IPC(8): H04L12/24
CPCH04L41/044H04L41/0836H04L41/12H04L41/50
Inventor 徐方维舒勤耿子慧
Owner SICHUAN UNIV