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Exergoeconomic analysis and optimization of wind power hybrid energy storage system [PDF]

open access: yesScientific Reports
The hybrid energy storage system of wind power involves the deep coupling of heterogeneous energy such as electricity and heat. Exergy as a dual physical quantity that takes into account both 'quantity' and 'quality, plays an important guiding role in ...
Caifeng Wen   +6 more
doaj   +2 more sources

Study on Overvoltage of Wind Farm Under AC Fault at Sending End of HVDC Transmission System

open access: yesZhongguo dianli, 2023
When the short circuit ratio of receiving end AC system is small, the fault disturbance of sending end AC system may cause commutation failure of the inverter and overvoltage at the LCC-HVDC sending end AC bus.
Wei LIANG   +5 more
doaj   +1 more source

Control Method for Improving Voltage Response and Ripple of Isolated DC-DC Converter

open access: yesFrontiers in Energy Research, 2022
Affected by the abrupt changes of load and unregulated first-stage rectifiers, it is difficult for the output voltage of the isolated DC-DC converter with traditional proportional-integral (PI) control to meet the needs of industrial applications such as
Ming Li   +7 more
doaj   +1 more source

Study on the hybrid energy storage for industrial park energy systems: Advantages, current status, and challenges

open access: yesNational Science Open, 2023
In order to increase the renewable energy penetration for building and industrial energy use in industrial parks, the energy supply system requires transforming from a centralized energy supply mode to a distributed + centralized energy supply mode.
Guo Jiacheng   +4 more
doaj   +1 more source

Reliability evaluation of islanded DC microgrid considering electric-hydrogen hybrid energy storage

open access: yes电力工程技术, 2023
An effective way is provided by the electric-hydrogen hybrid energy storage to improve the reliability of islanded DC microgrids. However, the reliability level of the system will also be affected by different electric-hydrogen hybrid energy storage ...
YUE Dawei   +5 more
doaj   +1 more source

Electrochemical Properties of Nitrogen and Oxygen Doped Reduced Graphene Oxide

open access: yesEnergies, 2020
Carbon nanostructures are promising electrode materials for energy storage devices because of their unique physical and chemical properties. Modification of the surface improves the electrochemical properties of those materials because of the changes in ...
Sean J. Hartmann   +3 more
doaj   +1 more source

Entropy weight and grey relational analysis based virtual capacitance collaborative control for multiple energy storage units

open access: yesIET Power Electronics, 2023
Flexible virtual capacitance control (FVCC) for converter can improve the stability and dynamics of DC bus voltage, but among multiple converters, essential inertia distribution is capable of optimizing the performance.
Hui Wang   +5 more
doaj   +1 more source

Capacity Sizing of Embedded Control Battery–Supercapacitor Hybrid Energy Storage System

open access: yesEnergies, 2022
A battery–supercapacitor hybrid energy storage system is investigated as a solution to reduce the high-power delivery stress on the battery. An optimally-sized system can further enhance the storage and cost efficiency.
Noah Lee   +6 more
doaj   +1 more source

Capacity optimization of hybrid energy storage systems for offshore wind power volatility smoothing

open access: yesEnergy Reports, 2023
Energy storage devices are frequently included to stabilize the fluctuation of offshore wind power’s output power in order to lessen the effect of intermittency and fluctuation on the electrical grid but doing so will raise operators’ investment costs ...
Qiuyu Lu   +5 more
doaj   +1 more source

Study on Hybrid Energy Storage Configuration and Control Strategy of Grid-connected Wind Hydrogen System [PDF]

open access: yesE3S Web of Conferences, 2020
The randomness and volatility of wind energy bring great challenges to wind power grid-connected. The hybrid energy storage technology based on electrolysis cell hydrogen production and super capacitor has become an effective way to stabilize wind power ...
Shen Xiaojun   +3 more
doaj   +1 more source

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