Electromagnetic transient real-time simulating communication method and device based on Aurora protocol

An electromagnetic transient and real-time simulation technology, applied in general control systems, instruments, simulators, etc., can solve problems such as bandwidth limitation, transmission stability, failure to meet FPGA platform simulation needs, unstable bandwidth and delay, etc., to simplify interruption and acknowledgment operations, avoiding interruptions, and increasing stability

Active Publication Date: 2016-12-07
CHINA ELECTRIC POWER RES INST +2
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Problems solved by technology

[0010] However, the traditional communication protocol solution based on TCP / IP only supports a bandwidth of 1000Mb / s, and the bandwidth and delay are not stable, especially when the calculation simulation step size of FPGA is reduced to 1-2 microseconds or even lower, not only cannot Meet the needs of FPGA platform simulation; and for other high-speed communication solutions, there are bandwidth limitations and insufficient transmission stability

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  • Electromagnetic transient real-time simulating communication method and device based on Aurora protocol
  • Electromagnetic transient real-time simulating communication method and device based on Aurora protocol
  • Electromagnetic transient real-time simulating communication method and device based on Aurora protocol

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[0035] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0036] combine figure 1 and figure 2 As shown, the electromagnetic transient real-time simulation communication method based on the Aurora protocol is composed of physical layer communication and functional layer communication. The physical layer communication includes: determining the high-speed Aurora communication protocol format for FPGA electromagnetic transient real-time simulation;

[0037] Dynamic binding exclusive port;

[0038] The functional layer communication includes: formulating data blocks for continuous addressing;

[0039] Direct access to FPGA's BLOCK RAM.

[0040] The high-speed Aurora communication protocol format includes 32 valid identification bits, 16 reserved bits, 16 valid length flag bits, 64 timestamp bits and less than 2000 valid data bits for the optical fiber communication data frame. ...

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Abstract

The invention provides an electromagnetic transient real-time simulating communication method and device based on an Aurora protocol. Physical layer communication and functional layer communication are comprised. The physical layer communication method comprises the steps that a high-speed Aurora communication protocol format of FPGA electromagnetic transient real-time simulation is determined, and an exclusive port is dynamically bound. Functional layer communication comprises the steps that a continuous addressing data block is developed, and BlOCK RAM of FPGA is directly accessed. The method and device are suitable for the application scene of FPGA electromagnetic transient simulation. The length of a data frame is optimized. The communication efficiency is greatly improved. The transmission bandwidth and the data transmission stability are increased.

Description

technical field [0001] The invention relates to a simulation communication method and device, in particular to an electromagnetic transient real-time simulation communication method and device based on the Aurora protocol. Background technique [0002] Due to the continuity of power system operation, all power system equipment is required to be fully tested before it can be connected to the system; it is not yet possible to provide an operating test environment for the connected equipment. [0003] The power system real-time digital simulation system can simulate various operating conditions of the power system in real time, and has strong repeatability. It can be used for various tests and operation monitoring of power system equipment, and has been widely used. [0004] The FPGA-based small-step simulation system simplifies the mature electromagnetic transient simulation system to run on the FPGA chip, which greatly improves the system simulation capability; at the same ti...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B17/02
Inventor 穆清张星高峰张爽徐得超胡晓波彭红英王峰王祥旭刘子新
Owner CHINA ELECTRIC POWER RES INST
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