energy supply in risers must withstand harsh environmental conditions. They must be reliably guided at temperatures from -20 °C to +50 °C and withstand soiling or even long unsupported lengths. The issue of maintenance also plays an important role. It should be possible to carry out maintenance quickly.
The energy chain systems used should also be quick to replace. However, equipping entire systems with spare parts within a few minutes is a major challenge with long unsupported lengths.