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A device and method for time synchronization and data exchange for co-simulation of power system and information communication system

A technology of information communication and power system, which is applied in the field of time synchronization and data exchange devices, can solve problems such as time and data exchange cannot be synchronized, achieve high synchronization efficiency, improve simulation efficiency, and ensure accuracy

Inactive Publication Date: 2021-06-22
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to solve the above technical problems, the present invention adopts a "peer-to-peer" time synchronization system architecture, so that both parties can flexibly and actively send data, and solve the problem that the time and data exchange between two simulation platforms (emulators) cannot be synchronized

Method used

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  • A device and method for time synchronization and data exchange for co-simulation of power system and information communication system
  • A device and method for time synchronization and data exchange for co-simulation of power system and information communication system
  • A device and method for time synchronization and data exchange for co-simulation of power system and information communication system

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Embodiment 1

[0044] figure 1 It is a structural schematic diagram of the present invention, such as figure 1 As shown, a device for time synchronization and data exchange of joint simulation of power system and information communication system includes information communication system simulation synchronization device and power system simulation synchronization device, and the information communication system simulation synchronization device includes communication agent module . A synchronous data queue module and a data receiving proxy module, the power system simulation synchronization device includes a communication proxy module and a synchronous event queue module.

[0045] Two-way communication of data is realized between two devices, wherein, in the information communication system simulation synchronization device, the data is transmitted from the communication agent module to the synchronization data queue module and then to the data receiving agent module, and then transmitted to...

Embodiment 2

[0052] Before the co-simulation is started, in the co-simulation scenario configuration link, both simulators can know the data requirements of the information communication simulator to the power system simulator, that is, the data type and the update cycle of the data. According to this demand information, the power system simulator can determine its own step time length (StepTime), so that it can provide simulation data that meets the time interval requirements; and the "data receiving agent" can initialize the corresponding time interval in the event queue of the information communication simulator. Time interval for "data sampling events". Similarly, both simulators can know the type of data (such as control instructions) transmitted from the information communication simulator to the power system simulator, but the transmission time is random.

[0053] The present invention relates to a method for time synchronization and data exchange of co-simulation of electric power ...

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Abstract

A device and method for time synchronization and data exchange for co-simulation of power and information communication systems, including an information communication system simulation synchronization device and a power system simulation synchronization device, the present invention adopts a "peer-to-peer" synchronization system architecture, Both the telematics simulator and the power system simulator can transmit data flexibly and proactively. An event queue is set on both sides to forward time-stamped data and event start time, and it also serves as a "synchronized timeline" to keep the two simulation platforms time-synchronized while transmitting data. During the simulation process, both simulators advance their respective simulation tasks in parallel with reference to the "synchronized timeline" on their own side, and wait for each other by suspending themselves when the speeds of the two sides do not match.

Description

technical field [0001] The invention relates to power system simulation, in particular to a device and method for time synchronization and data exchange used for joint simulation of power system and information communication system. Background technique [0002] With the rapid development of smart grids, advanced information and communication technologies have been widely used in power systems. The information communication system and the physical power system are coupled with each other to form an information power coupling network system. The information power coupling network is a hybrid system of continuous dynamic and discrete time coupling. Among them, the power system is a continuous system, and the information and communication system is a discrete event system. At present, when simulating the information-power coupling network, the dynamic simulation of the power continuous system and the information discrete event system is usually combined, that is, the power sy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G06F16/23G06F16/27
CPCG06Q50/06G06F30/20
Inventor 李玉凯林昌年王兰香杨选怀徐正清魏文辉穆世霞韩佳兵张虹张岩王炎军
Owner STATE GRID CORP OF CHINA
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