Abstract
With the development of energy storage technology, energy storage power station has gradually become one of the main means to solve the voltage instability of the main network caused by uHV DC bipolar phase lock. Therefore, energy storage model has become a difficulty in research. Firstly, the structure model of power storage station participating in power grid voltage transient stability control system is constructed, and the control strategy of power storage station is analyzed. Secondly, in the power system analysis software package (PSASP), the ES model of transient voltage stability control is established by using user-defined modules, and each module in the model is introduced in detail, so as to realize the purpose of enhancing voltage transient stability control of energy storage power station connected to the power grid. Finally, the simulation results show that compared with the adjustable camera, the voltage recovery speed is faster when the same capacity ES is connected in the same place. For example, the voltage recovery speed of 110kV bus decreases from 2.42s to 1.69s, and the recovery speed is increased by 30.17%. And PCS of ES power station has enough short time (<1s) overload capacity, then the ES configuration capacity can be less than the camera capacity.
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