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A protection relay is an intelligent device used to monitor electrical parameters such as current, voltage, frequency, and phase angle. When it detects abnormal conditions—such as overcurrent, short circuit, or voltage instability—it sends a trip signal to the circuit breaker, isolating the faulted section from the rest of the system.

Module OverviewThe Overcurrent Protection Test module is a core component of KRT, specifically designed for verifying and debugging various overcurrent protection functions (50/51/67/67N, etc.) in pow...

Automated Test Flowchart Diagram As shown in the figure, in the automated testing process, the precise selection or design of highly compatible scheme templates based on test content, along with effe...

Essential Equipment You Must Know in a Substation

Automated Test Result AnalysisThe built-in automated test result analysis feature of this software leverages the high-precision output, millisecond-level timing error control (down to 1ms), and high-s...

Substation maintenance is one of the most critical practices for ensuring the safety, reliability, and efficiency of the power grid. Substations convert high-voltage electricity transmitted over long distances into lower, usable levels for homes, businesses, and industries.