KEYWORDS: Batteries, Frequency modulation, Power grids, Adaptive control, Resistance, Signal processing, Motion models, Modeling, Energy efficiency, Switching
Firstly, the overall modeling process of stored energy is described. Secondly, in order to better simulate the change of power frequency response characteristics of stored energy with State of Charge (SOC), an adaptive control strategy is proposed to improve the frequency modulation response characteristics of stored energy in a high proportion of new energy grid. Finally, the effectiveness of the control strategy is verified in the simulation software, aiming at the operation result of the energy-type stored energy under different charging conditions after the disturbance occurs.
Different types of distributed generation have different grid-connected modes, control links and basic models, and each type has different effects on 10kV power grid, so corresponding models should be established to analyse it. This paper focuses on the research of inverter-based distributed generation, and analyses the impact of different capacity, installation position and fault location on the protection device.
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