Abb Technology Ag

Allen Notter

Wolfgang Wimmer

Hubert Kirrmann

Hermann Spiess

Stefan Ramseier

Martin Israel

Exemplary embodiments increase reliability of communication over a non-deterministic communication channel, in electric power systems. A communication channel is monitored based on regular network traffic, by evaluating messages or data packets carrying real-time operational data as a payload. A permanent determination of a channel quality, including appropriate alarming in case the channel quality is found insufficient, is based on an evaluation, at a receiving node, of data packets continually transmitted by a sending node. These continually or repeatedly transmitted data packets can include identical payloads reflecting current states rather than state changes as operational data.

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Lenzburg, Switzerland

Allen Notter