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Time synchronization and data exchange apparatus and method used for combined 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 the problems of time and data exchange not being synchronized, and achieve the effects of high synchronization efficiency, guaranteed accuracy, and high synchronization accuracy

Inactive Publication Date: 2016-09-07
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • Time synchronization and data exchange apparatus and method used for combined simulation of power system and information communication system
  • Time synchronization and data exchange apparatus and method used for combined simulation of power system and information communication system
  • Time synchronization and data exchange apparatus and method used for combined 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

The invention discloses a time synchronization and data exchange apparatus and method used for combined simulation of a power system and an information communication system. The time synchronization and data exchange apparatus comprises an information communication system simulation synchronization apparatus and a power system simulation synchronization apparatus. A "peer-to-peer" synchronous system framework is adopted, so that both an information communication simulator and a power system simulator can flexibly and actively send data. An event queue is arranged on each of two sides and used for forwarding data with a time stamp and event starting time, and also serves as a "synchronous time axis", so that two simulation platforms are enabled to keep time synchronous while the data is transmitted. In a simulation process, the two simulators concurrently execute respective simulation tasks by reference to the "synchronous time axes" on the own sides, and when the speeds of the two simulators are not matched, the two simulators are suspended for waiting for each other.

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 Applications(China)
IPC IPC(8): G06F17/50G06Q50/06
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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