Technical Insights
In-Depth Knowledge on Relay Protection Testing, High-Voltage Cable Testing, and Transformer Condition Assessment
Our technical library covers the full spectrum of electrical testing for power systems — from protective relay testing and IEC 61850 commissioning to VLF cable testing and transformer electrical diagnostics. Articles are written by application engineers with hands-on expertise in high-voltage test equipment.
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Latest Articles
- Transformer Commissioning Tests: Sequence and Dependencies
- Transformer Winding Resistance Testing: Temperature, Tap and Settling
- Transformer Turns Ratio Testing: Finding Tap-Changer Problems
- How to Choose a VLF Test Set: Voltage, Load and Reach
- VLF Test Duration and Frequency: How Long to Hold the Test
- VLF Tan Delta Testing: Reading Cable Insulation Beyond Pass or Fail
- Cable After-Laying Test: Sequence, Criteria and the New GB Standard
- VLF vs DC Cable Testing: Why 0.1 Hz Replaced DC Hipot
- When Do You Need Six-Phase Relay Testing?
- Testing Transformer Differential Protection: Bias, Harmonics and Stability
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