Graded exit control method for intelligent terminal of intelligent substation
A technology of smart substations and smart terminals, applied in the direction of electrical components, circuit devices, etc., can solve problems such as malfunctions and losses, and achieve the effect of ensuring real-time performance
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[0022] The present invention will be further introduced below in conjunction with the accompanying drawings and specific embodiments.
[0023] Such as figure 1 As shown, the present invention provides a hierarchical export control method for smart terminals in smart substations, including the following steps:
[0024] (1) The FPGA of the smart terminal in the smart substation receives the GOOSE message, performs verification, and sends it to the CPU after passing the verification. If the verification is incorrect, the message is considered damaged and discarded.
[0025] According to the IEC61850 series standards, the transmission service of GOOSE messages is coded from the application layer to the presentation layer, and then directly mapped to the bottom layer (data link layer and physical layer), without going through the network layer and transport layer, and using switched Ethernet technology Ensure real-time transmission of messages. In order to ensure the real-time pe...
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