Journal
ENERGY CONVERSION AND MANAGEMENT
Volume 264, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.enconman.2022.115584
Keywords
Energy storage technology; Wind energy; Hydraulic transmission; Hydraulic accumulator; Compressed air energy storage
Categories
Funding
- National Natural Science Foundation of China [52175065]
- Excellent Youth Foundation of He'bei Scientific Committee [E2021203020]
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This article reviews the energy storage technology used in hydraulic wind power and summarizes the principles and functions of hydraulic accumulators, compressed air energy storage and flywheel energy storage technologies. It also discusses the significant role of energy storage systems in hydraulic wind power.
With the intensification of energy shortages and environmental pollution, new energy sources represented by wind and solar energy have received global attention. Although the proposal of hydraulic wind turbines effectively solves the problems of traditional wind turbine transmission impact and complicated installation and maintenance, further exploration is needed on how to solve the randomness and intermittency of wind. The introduction of energy storage technology into wind power provides a way to solve this problem. This article mainly reviews the energy storage technology used in hydraulic wind power and summarizes the energy transmission and reuse principles of hydraulic accumulators, compressed air energy storage and flywheel energy storage technologies, combined with hydraulic wind turbines. It also discusses the functions of the energy storage system in terms of the stabilizing speed, optimal power tracking, power smoothing, and power system frequency modulation when generating power from hydraulic wind turbines. Finally, the development and potential application of energy storage technology in hydraulic wind turbines in the future are predicted.
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