Electric power communication topological structure optimization method
A topology structure, power communication technology, applied in the field of power communication, can solve the problems of poor economy, small impact of fault occurrence, poor reliability, etc.
Active Publication Date: 2020-04-28
STATE GRID ZHEJIANG ELECTRIC POWER CO LTD JIAXING POWER SUPPLY CO
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[0004] The present invention aims to solve the problems of poor reliability, poor economy, and large impact when a fault occurs in the later expansion planning of the optical cable line of the traditional electric power communication network, and provides a power communication topology optimization method. The present invention can use the optical cable line data to establish the topology structure Fig. 1. Optimizing the optical cable line, under the constraints of the reliability of the power communication network and the failure rate of the communication site, constructing an objective function that integrates the economics and influence of the topology structure, using the genetic algorithm to solve the objective function, and obtaining the economic Power communication network topology with good performance and low impact of faults
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[0057] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0058] Such as figure 1 , figure 2 As shown, a power communication topology optimization method, including steps:
[0059] A) Statistical optical cable line data in the power communication network, the optical cable line data includes: 13 communication sites, 14 existing optical cable lines, 7 optical cable lines to be constructed, cost of optical cable lines and reliability of optical cable lines.
[0060] B) Establish a topological structure diagram using the data of optical cable lines, use nodes to indicate communication sites, use solid lines to indicate existing optical cable lines, and use dotted lines to indicate optical cable lines to be constructed.
[0061] C) Establish constraints, including steps:
[0062] C1) Use the network connection undirected graph to obtain the network loop rate a when the i-th optical cable line has no f...
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The invention relates to the field of electric power communication, and discloses an electric power communication topological structure optimization method, which comprises the following steps of: A)counting optical cable line data in an electric power communication network; B) establishing a topological structure diagram by utilizing the optical cable line data; C) establishing reliability and failure rate constraint conditions, and constructing a target function integrating the economy and the influence degree of the topological structure; D) solving the target function by using a genetic algorithm; and E) obtaining a network line after the topological structure of the power communication network is optimized. According to the invention, through establishing the topological structure diagram, an optical cable line is optimized, an objective function integrating the economy and the influence degree of the topological structure is constructed under the constraint condition of meetingthe reliability of the electric power communication network and the failure rate of a communication station, the objective function is solved by utilizing a genetic algorithm, and the electric power communication network topological structure with good economy and small failure occurrence influence degree is obtained.
Description
technical field [0001] The invention relates to the field of electric power communication, in particular to a method for optimizing the topology structure of electric power communication. Background technique [0002] As a dedicated communication network of the power system, the power communication network plays a very important role in ensuring the safe, stable and reliable operation of the power system, and is the communication basis for the transformation from the traditional power grid to the smart grid. At present, with the rapid development of the smart grid, the network structure of the power grid is becoming more and more complex, the network scale is huge, and the types of various power communication services carried are gradually increasing, and the amount of information data is also increasing. Safety and reliability directly affect the safety and stability of power grid operation. In the case of local damage to the power communication network, it is required that...
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IPC IPC(8): H04Q11/00G06N3/12
CPCH04Q11/0062G06N3/126H04Q2011/009
Inventor 方景辉孙一凡汤东升洪晓燕卢奇高梅鹃钟伟东
Owner STATE GRID ZHEJIANG ELECTRIC POWER CO LTD JIAXING POWER SUPPLY CO