The dynamic control of the power generation system is one of the most important elements in an offshore platform, since it is responsible for maintaining the electrical system stability both in steady‐state and transient operation, thus avoiding the complete loss of power supply and, consequently, large economic losses. In this regard, the Real-Time Digital Simulator (RTDS) becomes an important tool, as it allows to simulate the generation system dynamic in real-time with the possibility of testing actual control and protection devices, through a hardware-in-the-loop scheme. Typically, offline simulation studies of the generator dynamic control are carried out with limited information from manufacturers, which leads to the use of typical data for models and, therefore, the obtention of unreliable responses. However, to obtain a realistic behavior of the electrical system dynamic in the RTDS, an accurate representation of its models is necessary. In this sense, this paper presents the dynamic control validation process of the power generation system of an oil extraction platform in the RTDS, through the use of field data, such as actual regulators' parameters and field tests records. Several simulations of transient phenomena were carried out and the dynamic responses of speed and voltage regulators were analyzed. Comparative analysis between field and laboratory test results demonstrates the validation of the simulation model developed in the RTDS.

The electrification of floating production, storage, and offloading (FPSO) units has emerged as a strategic solution to meet the growing demand for increased oil production while reducing carbon emissions associated with onboard gas turbine generation. Power-from-shore (PFS) systems represent a promising approach to achieving this goal, with transmission technologies based on high-voltage direct current (HVDC) and high-voltage alternating current (HVAC) solutions. Although HVDC is more suitable for long-distance and high-power applications, HVAC systems offer advantages in terms of robustness, simplicity, and operational maturity. Nevertheless, the reactive power compensation requirements arising from the high capacitance of submarine cables remain a major technical challenge. This study investigates and compares several reactive power compensation topologies applied to three distinct PFS systems. The proposed methodology enables a comprehensive evaluation of both onshore and subsea reactor placement strategies under technically and technologically feasible conditions. The results demonstrate that long-distance transmission of 75 MW over 250 km was achieved exclusively through subsea compensation configurations, which maintained efficiencies above 90% and voltage and current profiles within operational limits. Conversely, onshore-only compensation proved to be the most efficient solution for shorter transmission distances. The results demonstrate that the full electrification of an FPSO is technically feasible, with voltage and current profiles remaining within acceptable operational limits. The findings also indicate that mid-cable reactor placement (at 50%) is not the most effective configuration, with superior results observed for placements at 20–80% and 40–70% of the cable length. Overall, the outcomes confirm that subsea reactor placement enables higher power transfer over longer distances, significantly extending the technical boundaries traditionally separating HVDC and HVAC solutions. These results emphasize the need for continued technological development to make subsea shunt reactor installation a viable and reliable option for future FPSO electrification projects.

To reduce Greenhouse Gases (GHG) emission, All Electric FPSO solution has been designed considering dynamic equipment driven by electric motors. The next challenge is to supply the large electric power demand at deep water and far from shore locations and, at the same time, reduce the power generation emissions responsible for 60-70 % of the total unit emissions. In this scenario, a high capacity FPSO with a combined cycle power generation plant is being designed to supply the FPSO 130 MW power demand. Variable Speed Drives (VSD's) were considered for the large electric motors to enable motor starting, besides the speed control. This paper studies the technical challenges related to designing the electric power system with combined cycle for this offshore production unit and presents the analysis and topology to accomplish technical feasibility for the electric power system.