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Data transmission method for heterogeneous communication network of smart substation

A data transmission method and communication network technology, which is applied in the field of data transmission of heterogeneous communication networks in smart substations, to achieve good communication reliability, good effect, and improve the effect of transmission service quality

Active Publication Date: 2021-06-04
STATE GRID HUNAN ELECTRIC POWER +3
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AI Technical Summary

Problems solved by technology

However, with the increase of today's communication data and the higher requirements for communication speed, the data service transmission of the traditional single communication network adopted by the smart substation network can no longer meet the current requirements.

Method used

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  • Data transmission method for heterogeneous communication network of smart substation
  • Data transmission method for heterogeneous communication network of smart substation
  • Data transmission method for heterogeneous communication network of smart substation

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Embodiment Construction

[0024] Such as figure 1 Shown is a schematic flow chart of the method of the present invention: the data transmission method of the smart substation heterogeneous communication network provided by the present invention includes the following steps:

[0025] S1. Obtain the network communication parameters of the IP network of the smart substation and the micro-power wireless network; specifically, obtain the number of links M of the micro-power wireless network, the number of nodes X in the power wireless network, the number of links N of the IP network, and the number of IP The number of nodes in the network part Y, the number of gateways Z, and the total number of nodes in the heterogeneous network K=X+Y+Z; the statistical period is T; within the current statistical period, two different nodes i and j in the micropower wireless network are obtained The remaining battery energy g i and g j , and calculate the link residual energy of nodes i and j At the same time, after th...

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Abstract

The invention discloses a data transmission method for a heterogeneous communication network of a smart substation. The method comprises the following steps: acquiring network communication parameters of the smart substation; calculating an IP network link flow factor and a micro-power wireless network link power factor; constructing a weighted hop count routing cost function and calculating to obtain an optimal service transmission path; and performing data transmission of the heterogeneous communication network of the smart substation by adopting the optimal service transmission path. On the basis of comprehensively considering the mixed path service transmission of the IP network and the micropower network, the invention provides the intelligent substation heterogeneous communication network transmission method based on weighted optimization, so that the transmission service quality of the intelligent substation heterogeneous communication network is improved on the premise of ensuring the service time delay requirement; and the communication speed is higher, the communication reliability is better, and the effect is better.

Description

technical field [0001] The invention belongs to the field of power grid automation, and in particular relates to a data transmission method for a heterogeneous communication network of a smart substation. Background technique [0002] With the development of economy and technology and the improvement of people's living standards, electric energy has become an indispensable secondary energy source in people's production and life, bringing endless convenience to people's production and life. Therefore, the stable and reliable operation of the power system has become one of the most important tasks of the power system. [0003] In recent years, with the rapid development of smart substations, the scale of the power system has continued to grow, and higher requirements have been placed on smart substations. The communication network related to smart energy stations is usually a heterogeneous communication network including IP network and micro-power wireless network. Micropowe...

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Application Information

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IPC IPC(8): H04L12/721
CPCH04L45/124
Inventor 李琴肖立华吴小忠甘星陈娟徐志强徐超张惠芳
Owner STATE GRID HUNAN ELECTRIC POWER
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