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The study aims to develop a comprehensive criterion for evaluating the effectiveness of microprocessor-based relay protection.

January 23, 2026Energy and automationOpen Access

Integrated assessment of the quality of microprocessor-based relay protection

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The study aims to develop a comprehensive criterion for evaluating the effectiveness of microprocessor-based relay protection.
Classifies losses into functional-metrological, indirect hardware, and independent of settings.
Proposes an integral indicator for quantitative assessment of effectiveness.
Uses a normalized failure rate to assess reliability.
An integrated approach allows for comprehensive assessment of efficiency and economic feasibility.
The probabilistic-statistical method enhances objectivity in assessment.
Potential improvements in adaptability and reliability of protection systems are identified.

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Evaluates the effectiveness of microprocessor-based relay protection in power systems, suggesting improvements for enhanced reliability.

Ramsh et al. (2025) studied this question.

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