Energy storage system and applications in power system frequency regulation
As renewable energy sources (RESs) increasingly penetrate modern power systems, energy storage systems (ESSs) are crucial for enhancing grid flexibility, reducing
Storage devices can provide frequency regulation to maintain the balance between the network's load and power generated, and they can achieve a more reliable power supply for high tech industrial facilities. Thus, energy storage and power electronics hold substantial promise for transforming the electric power industry.
Authors to whom correspondence should be addressed. Considering the controllability and high responsiveness of an energy storage system (ESS) to changes in frequency, the inertial response (IR) and primary frequency response (PFR) enable its application in frequency regulation (FR) when system contingency occurs.
This is supported by the IEC T120 work program objectives, which identify ESSs as a solution that can efficiently deliver sustainable, economic, and secure electricity supplies [ 2 ]. The importance of frequency regulation (FR) in power systems cannot be overemphasized.
In addition, due to the fluctuating nature of RESs, energy storage devices have a high cycling frequency, which poses a challenge to battery life and performance. 10. Conclusion and recommendation This review comprehensive analyses the control scheme for ESSs providing frequency regulation (FR) of the power system with RESs.
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