An abnormity judgment method based on a GOOSE dual-network receiving mechanism
An abnormal judgment and mechanism technology, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of restart message loss, protection device cannot be automatically restored, protection device cannot guarantee correct action, etc.
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[0031] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0032] At present, the GOOSE dual-network receiving mechanism only provides a method for the subscriber to receive GOOSE data when the status of the two networks is normal and the GOOSE message of the publisher meets expectations. However, the network conditions in the actual digital substation are complex and changeable. The present invention's comprehensive on-site practical problems are respectively: how to filter storm messages under the situation of single-network storm and double-network storm, and obtain GOOSE messages sent normally; How to judge unexpected messages and obtain correct GOOSE messages in case of abnormality or important message loss after restarting; how to detect abnormali...
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