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A simulation modeling method of power system sdh communication transmission network based on opnet

A power system, simulation modeling technology, applied in transmission systems, digital transmission systems, multiplexing communications, etc., can solve the problems of power system SDH communication transmission network simulation modeling, etc., to achieve the effect of improving work efficiency

Active Publication Date: 2021-05-28
NR ELECTRIC CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing network software simulation tools are only for general network modeling and simulation, and cannot be directly applied to power system SDH communication transmission network simulation modeling

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  • A simulation modeling method of power system sdh communication transmission network based on opnet

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Embodiment Construction

[0064] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0065] The concrete implementation process of technical scheme of the present invention is as follows:

[0066] (1) According to the multi-level topology of the power system SDH communication transmission network, network equipment type, geographic location information, transmission distance, and communication requirements of the control station and execution station, establish a multi-level network topology of the SDH communication transmission network in OPNET, Its schematic diagram is as follows figure 1 shown.

[0067] (2) According to the technical principle of SDH equipment, first use the Create Custom Object window of OPNET to create SDH network nodes, and then establish SDH process model, SDH frame model, E1 process model, E1 frame model ...

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Abstract

The invention discloses an OPNET-based power system SDH communication transmission network simulation modeling method, comprising the following steps: establishing a multi-level network topology structure of a synchronous digital system SDH communication transmission network; establishing SDH / MSTP equipment models and control station networks respectively Node model, network node model of the execution station; the network node of the control station is first connected to the switch, and then the two network ports of the switch are connected to the two network ports of the SDH / MSTP device, and the two network ports of the SDH / MSTP device are respectively opened It forms a switch-based HSR ring network with the dedicated VC4 channel of the adjacent MSTP; forms a multi-level power system SDH transmission network structure; configures the model parameters of each network node according to the service transmission requirements of the SDH communication transmission network. The invention can quickly and accurately establish a power system SDH communication transmission network simulation system to simulate the operation status of the communication network.

Description

technical field [0001] The invention relates to the technical field of power system communication transmission network, in particular to an OPNET-based power system SDH communication transmission network simulation modeling method. Background technique [0002] With the continuous advancement of smart grid construction, the requirements for the automation level of power system operation and management continue to increase, and a large amount of information related to power production, operation, and management needs to be transmitted safely, reliably, stably and quickly through the power communication network. The communication transmission network is the central nervous system of the power system and an important basis for ensuring the safe, stable and reliable operation of the power system. Synchronous Digital Hierarchy (SDH) transmission network, as a new system combining high-speed and large-capacity optical fiber transmission technology and intelligent network technolog...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04J3/16H02J13/00
CPCH02J13/0006H04J3/1611H04L41/145
Inventor 杨贵李力熊蕙
Owner NR ELECTRIC CO LTD