Lightning Arrester Testing

Lightning Arrester Testing ensures the effectiveness and reliability of surge protection systems by assessing their ability to safely discharge overvoltages caused by lightning or switching surges. Regular testing helps prevent equipment failure, improves system grounding, and enhances overall electrical safety for substations, transformers, and industrial networks.

Insulation Resistance & Leakage Check

Measures insulation health and detects any leakage current that may compromise arrester performance.

Monitoring of Discharge Characteristics

Evaluates the arrester’s ability to divert high-voltage surges with acceptable residual voltage levels.

Suitability for All Types of Arresters

Applicable to metal-oxide, silicon carbide, and station-class lightning arresters.

Compliance & Preventive Maintenance

Ensures compliance with IS/IEC standards and supports preventive maintenance schedules to reduce downtime.

End-to-End Lightning Arrester Testing Process

Ensuring Optimal Lightning Protection

Visual Inspection & Installation Review

Check for physical damage, contamination, grounding issues, and correct placement of arresters.

Step 01

Electrical Testing

Perform insulation resistance, leakage current, and discharge voltage tests using calibrated instruments.

Step 02

Performance Evaluation

Analyze test results to assess health status and remaining life of the arrester.

Step 03

Report & Maintenance Recommendations

Provide certified test reports with suggestions for repair, replacement, or improved grounding techniques.

Step 04

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