Power information physical system joint simulation platform and synchronization method thereof

A power system and physical system technology, which is applied to the power information physical system co-simulation platform and its synchronization field, can solve the problems of low simulation efficiency and frequent start and stop of simulation tools, so as to improve efficiency, reduce the amount of data interaction and start and stop simulation. The number of times, taking into account the effect of simulation accuracy and speed

Active Publication Date: 2019-07-05
SOUTHEAST UNIV +1
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Problems solved by technology

At present, the technical bottleneck of non-real-time co-simulation mainly lies in the synchronization method between the two simulation tools. The existing synchronization method requires the simulation tool to start and stop frequently when performing high-precision simulation, so the simulation efficiency is low.

Method used

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  • Power information physical system joint simulation platform and synchronization method thereof
  • Power information physical system joint simulation platform and synchronization method thereof
  • Power information physical system joint simulation platform and synchronization method thereof

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Embodiment Construction

[0021] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0022] figure 1 For the running time axis of the simulation platform synchronization method according to the present invention, the simulation platform includes 3 modules: a power system simulation module, a communication system simulation module and a synchronization module, the power system simulation module and the communication system simulation module are all connected with the synchronization module, and the power system simulation module is connected to the synchronization module. The simulation module is used for continuous time domain simulation of the power system, and calculates the state of each step of the power system; the communication simulation software is used for discrete event simulation of the communication system, and calculates the state of each event of the communication system; the synchronization module is used for To...

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Abstract

The invention discloses an electric power information physical system joint simulation platform and a synchronization method thereof, which can be used for simulating a large-scale electric power information physical system and improving the simulation efficiency while ensuring the simulation precision. According to the simulation platform and the synchronization method thereof, by storing the simulation result of each step length of the electric power simulation software into a state cache in a certain time window; acquiring a key event of a power system, sending data to communication simulation software only when the key event occurs, judging whether the state of the power system is changed or not by a simulation platform according to a simulation result of the communication simulation software, and recalling power simulation only when the state is changed and the action time is before the current simulation time, the unnecessary data interaction amount and the simulation start-stopfrequency between the electric power simulation software and the communication simulation software are reduced, the simulation precision and speed are considered, and the efficiency of joint simulation of the electric power information physical system is improved.

Description

technical field [0001] The invention belongs to the technical field of co-simulation of electric power cyber-physical systems, and in particular relates to a co-simulation platform of power cyber-physical systems and a synchronization method thereof. Background technique [0002] Compared with the traditional power system, a large number of sensing, communication, computing and control devices are connected to the smart grid, so it has the basic characteristics of a cyber-physical system. While the communication network of the power cyber-physical system provides a stable and reliable data transmission channel for various power services, it also introduces the risks in the communication system into the power system. Comprehensive analysis of communication systems. [0003] The key issue in the research of power cyber-physical systems is how to deeply integrate power physics systems and information communication systems, comprehensively consider the interaction mechanism bet...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G06Q50/06
CPCG06Q50/06G06F30/20Y02E60/00
Inventor 王琦刘增稷汤奕
Owner SOUTHEAST UNIV
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