New energy storage methods based on electrochemistry can not only participate in peak shaving of the power grid but also provide inertia and emergency power support. It is necessary to analyze the planning problem of energy storage from multiple application scenarios, such as peak shaving and emergency frequency regulation.
The positioning of hydrogen energy storage in the power system is different from electrochemical energy storage, mainly in the role of long-cycle, cross-seasonal, large-scale, in the power system “source-grid-load” has a rich application scenario, as shown in Fig. 11. Fig. 11. Hydrogen energy in renewable energy systems. 4.1.
Energy storage has bidirectional regulation ability, fast response speed, simple control, and flexible installation position, and it can be an effective method for system peak shaving .
Simulation results demonstrate that considering hydrogen storage results in a significant improvement of the phenomenon of abandoned wind, which also enhances the operating economy of traditional units and storage equipment. This strategy ensures energy storage capacity while simultaneously improving the economic efficiency of the system.
Due to the seasonal differences in wind power, hydrogen energy can be used for seasonal storage . Hydrogen could store excess electricity during the season when wind power is abundant and wait until the season when wind power is low, which is something that other energy storage cannot achieve.
To actively develop clean hydrogen production methods in the power system, reduce the use of “grey hydrogen” and “blue hydrogen,” and increase the use and development of “green hydrogen”, which is made from renewable energy.
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New energy storage methods based on electrochemistry can not only participate in peak shaving of the power grid but also provide inertia and emergency power support. It is necessary to analyze the planning problem of …
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