Technical Specifications
| Parameter | Specification |
|---|---|
| Mechanical Load | Up to 400 kN |
| Applied Voltage | Up to 100 kV AC |
| Test Type | Simultaneous electrical + mechanical |
| Applicable Standards | IEC 60383-1, IEC 60305 |
| Specimen Type | Cap-and-pin porcelain/glass disc insulators |
| Failure Detection | Automatic puncture + mechanical rupture sensing |
Key Features
- Simultaneous application of voltage and tensile load per IEC 60383
- Hydraulic loading system with closed-loop force control
- Integrated high voltage transformer with isolation
- Automatic detection of both electrical puncture and mechanical failure
- Safety interlock system with HV cage and emergency stop
The Electromechanical Test in IEC 60383
The electromechanical damage load test is one of the most critical type tests for porcelain disc insulators. The insulator is subjected to simultaneous mechanical tensile load and power-frequency voltage. The test verifies that the insulator head design can withstand combined electrical and mechanical stress without puncture or mechanical failure.
Test Procedure Overview
Per IEC 60383-1, the insulator is mounted in a tensile testing machine and energized at a specified voltage level (typically 75-80% of the dry flashover voltage). The mechanical load is increased until failure occurs. The combined failure must occur at no less than the specified electromechanical failing load.
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