HyTEPS eliminated years of cable insulation damage on the Bumblebee by solving a hidden ground loop in the complex offshore installation. In doing so, we restored continuity and provided Allseas with the security in every kilowatt needed for their global operations.
When operational continuity depends on the world's largest offshore construction vessels, technical uncertainty is unacceptable. On the Bumblebee, the pontoon supporting the Pioneering Spirit's stinger, owner Allseas struggled with a persistent problem: the insulation of power cables suffered unexplained damage for years.
Without a clear diagnosis, the risks of safety problems and costly production stoppages remained present in the complex installation of generators and ballast pumps. HyTEPS was called in to uncover the root of the problem.
Our engineers immediately initiated an independent investigation of the power quality, EMC and earthing of the electrical installation. To ensure technical authority, we carried out measurements and simulations while the installation was running at full capacity.
Using thermographic imaging and analysing voltage potentials, we mapped the entire installation. The data conclusively showed that the current configuration of earthing and shielding cables created an unwanted ground loop. This loop caused electromagnetic currents that melted the insulation at various locations - from the port generator to the compressors.
Once the cause was conclusively established, we implemented the solution to mitigate the risks immediately. Our engineers recommended removing the sheath from the power cable ends and connecting the shield cables correctly, which eliminated the harmful ground loop.
We also increased the robustness of the installation by replacing the insulation with higher-quality material, resistant to temperatures of up to 190°C. This decisive approach transformed the fragile installation into a stable environment. The problems disappeared completely, allowing Allseas to once again count on security in every kilowatt.
Are you experiencing recurring insulation damage or invisible faults in your power system? Our engineers pinpoint the exact cause with in-depth measurements and simulations, so that you can immediately get back to maximum operational reliability.
HyTEPS
Beemdstraat 3
5653 MA Eindhoven
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