Wärtsilä topside DEH package
    The topside package comprises tailor made medium voltage components that control the current in the flow line, convert the load from single phase to a symmetrical 3-phase load, and compensate for the low power factor. Wärtsilä delivers electric and optic protection and control packages that have been specially developed for Wärtsilä DEH. The Wärtsilä Direct Electric Heating package can be installed in suitable indoor locations, or in outdoor locations within a steel or aluminium module with HVAC or water cooling. Wärtsilä DEH deliveries always include a special power system analysis to ensure its integrity with the platform system.

    Scope of supply

    Wärtsilä has been part of the DEH development in Norway since the nineties and we can provide:

    • FEED Studies (Front End Engineering & DesignKey Benefits)
    • Topside system design to meet subsea power requirement
    • Power system analysis
    • Tailor made Topside package
    • Project execution
    • Pre-commissioning/commissioning and start up assistance

    With the DEH system, asset owners will :

    • Reduce CAPEXand OPEX
    • Have an environmentally sound flow assurance tool
    • Reduce or remove need of “anti-freeze” chemicals and belonging infrastructure/piping and storage
    • Enable single flow line without circulation possibilities
    • Enable marginal field to be profitable even if DEH is required continuously
    • Extend the lifetime of the field by managing water cut during tail production
    • Increase process plant efficiency through increased arrival temperature and remove/reduce requirement for removal of solvent during start up

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