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Investigation of Power Supply to Subsea Loads from High Voltage Electric Source Using Modular Direct Current Scheme

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Document pages: 13 pages

Abstract: Subsea power converters have been identified in recent researches as apotential means of supplying power to subsea loads and this technology has beenseen as a means to reduce the reliance on offshore platforms. This studyanalyses all electric subsea high power system for power generation andtransmission in the offshore oil and gas industry for sustainable subseadevelopment. In order to accomplish the analysis of power generation andtransmission to subsea loads, the MAT lab SIMULINK software was employed toascertain losses arising from the transmission of power to subsea systems. Datafrom Agbara and Akpo fields, all located in Nigeria, were analysed using theMSDC model as an alternative power source for power generation and transmissionto all subsea loads. When the voltage loss between a step out distance at 30 km and200 km was compared for the Akpo oil field, the plots indicate a significant lossin voltage. The RMS value of voltage loss increased from 0.8874 at a step outdistance 30 km to 0.9449 for 200 km.

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