Modeling and Analysis of Incorrect Actions of Relay
Recognizing the above problems, based on the 10-year field data, this paper proposes fault tree analysis for the IAs of RPS to discover relationship
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Critical defects include: a) Electronic transformer (including acquisition unit) failure; b) Merging unit failure; c) Intelligent terminal failure; d) Process layer network switch failure; e) Protection device failure or abnormal withdrawal;Critical defects include: a) Electronic transformer (including acquisition unit) failure; b) Merging unit failure; c) Intelligent terminal failure; d) Process layer network switch failure; e) Protection device failure or abnormal withdrawal;Critical defects refer to those with severe nature and urgent conditions that directly threaten safe operation. Emergency measures should be taken immediately, and resources organized to eliminate them. Critical defects include: a) Electronic transformer (including acquisition unit) failure; b). The incorrect operation of protective relays and circuit breakers will significantly compromise the safety and stability of power systems.
