Lightning accounts for 30-50% of transmission line outages globally. Overvoltage monitoring detects lightning transients, measures surge arrester energy absorption, and pinpoints flashover locations using traveling wave fault location.
Surge Arrester Monitoring
Each lightning strike through a surge arrester deposits energy into MOV blocks causing gradual degradation. The SCYC-HLJC2304 Surge Arrester Monitor measures leakage current and counts discharge events.
Traveling Wave Fault Location
When flashover occurs, traveling waves propagate from the fault at near-light speed. The Overhead Line Monitoring System captures transient waveforms and calculates fault distance.
Insulation Coordination and BIL
Insulation coordination determines BIL requirements. The SCYC-CW30 Cable Monitor monitors partial discharge after lightning exposure. The Smart Grid Platform integrates all data. Cable Circulating Current Monitor evaluates grounding adequacy.
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