Virtual inertia analysis of photovoltaic energy storage systems based on reduced-order model
Guanyang Li,
Junfei Wang,
Xuanlin Wang
et al.
Abstract:The problem of non-ideal inertia of the photovoltaic energy storage system (PVESS) may occur due to unreasonable voltage control parameters. In response to this issue, this paper establishes an equivalent reduced-order model (EROM) for PVESS. This EROM considers the current control loop, voltage control loop and the virtual inertia control loop based on low-pass filter. This low-pass filter can effectively enhance the system’s virtual inertia. Since the output impedance of this EROM can visually reflect the ex… Show more
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