Floating, Production, Storage, and Offloading Unit: A Case Study Using Variable Frequency Drives

Antunes, Hélio M. A.; Brandão, Danilo I.; Biajo, Vitor H. M.; Alves, Marcos H. S.; Oliveira, Felipe Silva; Silva, Sidelmo M.

doi:10.1109/tia.2023.3258420

Cited by 7 publications

(5 citation statements)

References 17 publications

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“…The entire electrical system model is developed in MAT-LAB/Simulink software, version 2019b, using the Simscape library, with an integration step of 100 µs. A detailed description of the FPSO electrical power system model is shown in [8].…”

Section: Simulation Resultsmentioning

confidence: 99%

“…The main substation is typically located at the ship's top, and the secondary substation is inside the vessel. Equipment redundancy is also provided as part of the resilience design of platforms [6]- [8].…”

Section: Introductionmentioning

confidence: 99%

“…• Accurate control of motor speed and torque, optimizing energy consumption [28], [40]; • Power factor improvement and increasing of the generator efficiency [8]; • Reduction of the current of direct online (DOL) start-up of large induction motors (pumps and compressors) [8],…”

Section: Introductionmentioning

confidence: 99%

“…• Application of cooperative control to improve PQ [8], [43]; • Operation as multifunctional converters with multiple functionalities for PQ improvement [44]. In [45], a study assessed load shedding in an FPSO power system, specifically focusing on the scenario of losing one aeroderivative gas turbine generator (GTG).…”

Section: Introductionmentioning

confidence: 99%

“…In [8] it is evaluated the application of passive and active VFDs in an FPSO unit operating in production mode, focusing on: (i) current reduction during DOL start-up of larger motors; (ii) decreasing of the short-circuit current; (iii) lowering the loading factor in the generator with power factor improvement. In the present paper, the contingency mode in an FPSO unit is evaluated with the application of VFDs to enable partial load shedding.…”

Section: Introductionmentioning

confidence: 99%

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Floating, Production, Storage, and Offloading Unit: A Contingency Operating Mode Using Variable Frequency Drives

Antunes,

Brandao,

Biajo

et al. 2024

IEEE Access

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With the current utilization of Floating, Production, Storage, and Offloading (FPSO) units by the petroleum industry, and the trend towards optimizing the energy efficiency of electrical systems, Variable Frequency Drives (VFDs) play a crucial role in enhancing the performance and power quality (PQ) of the power system on these offshore platforms. The FPSO unit operates in various modes, depending on its regular activities, such as contingency, production and offloading. Each operating mode has multiple grid configurations with different generation and load connections, including the contingency mode that is used for planned maintenance or failure in one of the aeroderivative gas turbine generators (GTGs). During the contingency mode, the FPSO unit runs with two GTGs and implements load shedding. Therefore, this paper investigates a specific case of the contingency operating mode, considering scenarios with zero, one, two, and three VFDs connected to the largest motors. Additionally, it analyzes VFDs with both passive and active frontend rectifiers, aiming to minimize the number of loads to be shed during contingency. The main result shows that by using the active front-end VFDs, 14.3 MW of loads that would be shut down during contingency mode can continue to operate.INDEX TERMS Energy efficiency, oil and gas platform, power factor, reactive power control, variable frequency drives.

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Section: Simulation Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%