Optimization of an Offshore Oilfield Multi-Platform Interconnected Power System Structure

Yu, Qingguang; Jiang, Zhicheng; Liu, Yuming; Li, Le; Long, Gaoxiang

doi:10.1109/access.2020.3048980

Cited by 7 publications

(6 citation statements)

References 21 publications

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“…The power grid of offshore oil platforms contains a variety of power electronic equipment and diesel generators that mostly operate in small areas, so the working environment is relatively specific. The environmental conditions are relatively poor [1]. When using the platform grid for power supply, it is easy to cause faults due to broken line insulation, environment, and other factors.…”

Section: Introductionmentioning

confidence: 99%

“…Ref. [12] proposes a high resistance dual wire grounding fault detection method in electrical transmission based on a grounding resistor placed at the midpoint of the DC side, which can detect the starting area of the dual wire grounding fault and identify the DC fault pole or AC fault phase. However, the exact position of each ground fault is still unknown.…”

Section: Introductionmentioning

confidence: 99%

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High Impedance Arc Fault Modelling in Offshore Oil Platform Power Grid

2024

IJEM

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In offshore oil platform power grid, high impedance arc fault occurs frequently. The fault characteristics of high-impedance arc information are weak and difficult to detect, which may not cause the protection method to activate. Therefore, it is important to detect and clear the high impedance fault. In the high impedance case, usually, the arc fault occurs. In the research, the arc model was established using the typical Cassie model and the high impedance arc fault characteristics in offshore oil platform power grids were analysed. An improved arc fault detection method using the phase angle difference between zero sequence voltage and zero sequence current was proposed to extract fault characteristics. This method requires limited detection information and high accuracy to solve the problem of small current and voltage changes in high-resistance arc faults. The offshore oil platform power grid and the arc were modelled using electromagnetic transients software PSCAD/EMTDC. The simulation results show that the arc model and fault detection method work well.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

High Impedance Arc Fault Modelling in Offshore Oil Platform Power Grid

2024

IJEM

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“…One of the most important energy sources is offshore oil and the development of the offshore oil industry has a direct impact on the nation's long-term and steady progress [1,2]. One of the most popular oil exploitation equipment is the rod oil exploitation equipment.…”

Section: Introductionmentioning

confidence: 99%

Supply and demand balance control of electrical submersible linear motor for offshore oil exploitation

Wang

Yang

2022

IET Electric Power Appl

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A supply and demand balance control method for an electrical submersible linear motor utilised in offshore oil exploitation is proposed in this study. The permanent magnet linear motor is replaced by an electrical submersible linear motor based on switched reluctance linear motor. The sensorless control method further enhances the stability of the oil exploitation system. Meanwhile, a supply and demand balance control method is proposed to maintain the fullness of the submersible plunger pump within an ideal range. An established speed function allows the speed of the electrical submersible linear motor to dynamically alter in response to the change in oil deliverability and increasing the system's production. Additionally, maintaining the fullness of the submersible plunger pump within the ideal range helps simplify the model and increase computation accuracy. Finally, the supply and demand balance control method is validated and compared with the intermittent oil exploitation control method by simulations and experiments. Results from the simulations and experiments indicate that the proposed method can increase the production of the offshore oil exploitation system in addition to causing the motor to follow changes in oil deliverability and adjust the speed.

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“…However, the study simplifies the impact of wire size selection of submarine cables on the construction investment cost and ignores the system outage loss caused by the network structure, which significantly reduces the credibility of the optimization results. The prequel study to this paper [7] also conducted a study on the expansion planning problem of an offshore multiplatform interconnected power system without wind power. The study uses the expected energy not supplied(EENS) index, evaluates the system reliability cost based on the economic loss caused by load cutting of each platform, considers the new line size selection problem, establishes a two-layer offshore multiplatform interconnected power system structure optimization model.…”

Section: Introductionmentioning

confidence: 99%

Expansion Planning Method of Offshore Multiplatform Power System With Wind Power Considering Cable Size Selection

Jiang

et al. 2021

IEEE Access

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With the expansion of the scale of subsea oil and gas resource exploitation, the offshore multiplatform interconnected power systems have become the main form of offshore platform group energy supply. The offshore multiplatform interconnected power system with wind power can effectively reduce the system fuel consumption and carbon emission, which has become an important direction for the development of future offshore multiplatform interconnected power systems. In this paper, the scenario method is adopted to portray the wind power output. System evaluation indicators considering the economy, reliability and environmental benefits of the system are proposed. Considering the nonnegligible impact of the cable size selection problem on the system economic cost, this paper introduces cable size selection variables in the expansion planning model of the offshore multiplatform interconnected power system with wind power to achieve accurate optimization of the system planning scheme but also greatly increases the difficulty of solving the model. A model linearization method is applied to linearize the nonlinear part of the model, so that the optimized model is a mixed-integer linear programming model under the determined system topology, and thus can be solved using commercial planning software. In addition, an improved genetic algorithm is proposed to optimize the system topology, which improves the efficiency of the model solution. The cases of different scale verify the validity of the model and the solution algorithm and show the impact of the maximum penetration rate of wind power on the total system cost.

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Optimization of an Offshore Oilfield Multi-Platform Interconnected Power System Structure

Cited by 7 publications

References 21 publications

High Impedance Arc Fault Modelling in Offshore Oil Platform Power Grid

High Impedance Arc Fault Modelling in Offshore Oil Platform Power Grid

Supply and demand balance control of electrical submersible linear motor for offshore oil exploitation

Expansion Planning Method of Offshore Multiplatform Power System With Wind Power Considering Cable Size Selection

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