Technical Specifications
| Parameter | Specification |
|---|---|
| Test Types | Residual voltage, leakage current, thermal stability, aging |
| Impulse Current | 8/20 microsecond, up to 100kA |
| AC Voltage | Up to 400kV |
| Leakage Measurement | Resistive component extraction |
| Applicable Standards | IEC 60099-4, IEEE C62.11 |
Key Features
- Impulse current generator for 8/20 and 4/10 waveforms
- High-sensitivity resistive leakage current measurement
- Thermal stability test with temperature monitoring
- Combined impulse + AC aging test capability
Testing Lightning Arresters
Lightning arresters are the first line of defense protecting substation equipment from overvoltage surges. Regular testing per IEC 60099-4 verifies that arresters maintain their protective characteristics. Key parameters include residual voltage at nominal discharge current, leakage current under continuous operating voltage, and thermal stability after energy absorption.
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