Modular Stacked DC Power System for Offshore Electrification
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- Institutt for elkraftteknikk 
Modular Stacked DC (MSDC) is an electrical system architecture intended for use in offshore petroleum installations. The system is patented and announced by GE Oil and Gas, but has currently not been built for a full scale installation.This report describes the system architecture, significant components and functionality based on available publications.Further, the report illustrates how an MSDC system can be built in a stepwise expansion program to complete a network of interconnected oil platforms receiving power from shore. This illustration is performed using the cluster of oil and gas fields named Utsira High in a case study, under the assumption that MSDC is chosen as the technological solution to deliver power from shore.A software simulation model is built to represent a generic MSDC system. The model is employed to recreate some of the functionality described in the available publications. Several claims presented in patents and articles have been confirmed within the limits of a simulation model.