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Analysis of Defects in Relay Protection

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Study of Relay Protection Fault Analysis and Treatment

The article first analyzes the role, composition, requirements of relay protection, and then analyzes the fault analysis of power system protection and treatment measures; the final analyzes the question of

A quality evaluation method for the unstructured defect record of relay

In this process, a large amount of defect processing data has been accumulated, including much unstructured textual data, and the purpose of this paper is to evaluate the quality of these

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A state evaluation and fault diagnosis strategy for substation relay

The article introduces a condition assessment and defect diagnosis model that exhibits a wide range of applications beyond relay protection systems. It is also applicable to other categories

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An Evaluation Method to the Record Text for the Defects of the

Problems in Record Text for the Defect In this section, three common problems that occur in records text for the defect of PRDs are listed. This paper focuses on the defect processing logs of relay protection

Modeling and Analysis of Incorrect Actions of Relay Protection

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 between the IAs and device defects.

Modeling and Analysis of Incorrect Actions of Relay Protection

Abstract: The safety of the power grid is threatened by incorrect action (IA) of relay protection system (RPS) resulting from defects, and even worsen a blackout.

Fault Tracking Method for Relay Protection Devices

In this paper, the analysis of various fault types of relay protection devices also provides an important guidance for the maintenance, design and improvement of devices. In this study, the

Case study on fault analysis and treatment of relay protection

This paper analyzes the basic principle and function of relay protection, summarizes the common fault types, and analyzes the fault analysis methods and treatment measures combined with

On Defect Grading for the Relay Protection Devices Based on TF-IDF

Based on the text record of defects of RPDs in a regional power grid and the defect text dictionary, this paper analyses the defect grading method with Term Frequency-Inverse Document

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Frontiers | Strategy for evaluating the status of relay protection

The new generation of intelligent substations has achieved online monitoring functions for secondary equipment, making some state variables of relay protection equipment become

Analysis of Defects in Relay Protection
Analysis of Defects in Relay Protection [PDF]

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