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Oilfield Microgrid-Oriented Supercapacitor-Battery Hybrid Energy Storage System with Series-Parallel Compensation Topology

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Publicado en:Processes vol. 13, no. 6 (2025), p. 1689-1713
Autor principal: Wang, Lina
Publicado:
MDPI AG
Materias:
Oil field equipment
Electrical loads
Dynamic response
Distributed generation
Parameter identification
Electricity distribution
Clean technology
Energy storage
Topology
Predictive control
Service life
Renewable energy
Energy resources
Energy consumption
Voltage
Unit loads
Compensation
Wind power
Oil fields
Compensation depth
Carbon
Supercapacitors
Renewable resources
Voltage sags
Pumping
Power supply
Hybrid structures
Hybrid systems
Alternative energy sources
Control methods
Electric power supplies
Alternative energy
Acceso en línea:Citation/Abstract
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Resumen:This paper proposes a supercapacitor-battery hybrid energy storage scheme based on a series-parallel hybrid compensation structure and model predictive control to address the increasingly severe power quality issues in oilfield microgrids. By adopting the series-parallel hybrid structure, the voltage compensation depth can be properly improved. The model predictive control with a current inner loop is employed for current tracking, which enhances the response speed and control performance. Applying the proposed hybrid energy storage system in an oilfield DC microgrid, the fault-ride-through ability of renewable energy generators and the reliable power supply ability for oil pumping unit loads can be improved, the dynamic response characteristics of the system can be enhanced, and the service life of energy storage devices can be extended. This paper elaborates on the series-parallel compensation topology, operational principles, and control methodology of the supercapacitor-battery hybrid energy storage. A MATLAB/Simulink model of the oilfield DC microgrid employing the proposed scheme was established for verification. The results demonstrate that the proposed scheme can effectively isolate voltage sags/swells caused by upstream grid faults, maintaining DC bus voltage fluctuations within ±5%. It achieves peak shaving of oil pumping unit load demand, recovery of reverse power generation, stabilization of photovoltaic output, and reduction of power backflow. This study presents an advanced technical solution for enhancing power supply quality in high-penetration renewable energy microgrids with numerous sensitive and critical loads.
ISSN:2227-9717
DOI:10.3390/pr13061689
Fuente:Materials Science Database