Secondary Frequency Modulation Control Strategy of Power
By using the energy storage battery''s characteristic of fast response, energy storage battery is introduced to participate in power grid frequency modulation in
The previous energy storage systems involved in secondary frequency modulation control strategy research mostly used the energy storage system as a small-capacity traditional frequency modulation unit for power signal distribution.
When the Energy Storage System (ESS) participates in the secondary frequency regulation, the traditional control strategy generally adopts the simplified first-order inertia model, and the power allocated to each energy storage unit follows the principle of equal distribution.
Abstract: An innovative control strategy for adaptive secondary frequency regulation utilizing dynamic energy storage based on primary frequency response is proposed.
With this in mind, this paper proposes a virtual impedance control strategy that considers secondary frequency modulation to address the problems of frequency deviation and power oscillation when the output frequency of a VSG changes excessively due to high-power load switching during operation.
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