How is the frequency regulation of energy storage power stations
Energy storage power stations play a critical role in frequency regulation by absorbing excess energy when demand is low and releasing it during high demand periods.
Various energy storage systems (ESS) methods support frequency regulation services, each addressing specific grid stability needs. Batteries are highly efficient with rapid response capabilities, ideal for mitigating short-term frequency fluctuations.
In the end, a control framework for large-scale battery energy storage systems jointly with thermal power units to participate in system frequency regulation is constructed, and the proposed frequency regulation strategy is studied and analyzed in the EPRI-36 node model.
Since the battery energy storage does not participate in the system frequency regulation directly, the task of frequency regulation of conventional thermal power units is aggravated, which weakens the ability of system frequency regulation.
With the rapid expansion of new energy, there is an urgent need to enhance the frequency stability of the power system. The energy storage (ES) stations make it possible effectively. However, the frequency regulation (FR) demand distribution ignores the influence caused by various resources with different characteristics in traditional strategies.
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