Technical Specifications
| Parameter | Specification |
|---|---|
| Output Voltage | Up to 300kV AC |
| Test Medium | Insulating oil tank |
| Voltage Ramp Rate | 1-5 kV/s adjustable |
| Applicable Standards | IEC 60120, ANSI C29.1 |
Key Features
- Oil-immersed environment prevents external flashover
- Transparent tank window for visual observation
- Motorized electrode positioning
- Automatic puncture detection and voltage ramp
Puncture vs Flashover
While flashover occurs across the insulator surface, puncture is destructive failure through the body. Testing in oil suppresses surface flashover, ensuring the failure path is through the material — verifying minimum dielectric strength.
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