Deep Water Cables for 7000m Seawater in the Indian Ocean

Project description:

• Mangan production in the Indian Ocean at 6000m depth

Customer challenges:

• Dynamic system, 70-100kVA
• Hydrostatic pressure
• Voltage drops vs. power transmission
• Cable tension
• Heat accumulation
• Cable End Termination

Nexans solutions:

ROV umbilical for deep water:

• Lightweight and compact design
• Aramid armoured
• 3-phase, 6.6kV
• Thin-walled insulation system
• Optical fibres for signalling
• DTS (Distributed Temperature Sensing) for heat monitoring
• Close cooperation with subsea termination supplier