Improvement Sustainability Transient Systems Power With Use From Resources Renewable and Storage Energy

One of the fundamental challenges in modern power grids is to maintain transient stability against severe disturbances such as short-term three-phase faults or sudden outages of lines and generators. With the reduction of the share of synchronous units and the increase of inverter-based resources, the effective inertia of the grid has decreased and its sensitivity to the rate of frequency change, inter-zonal fluctuations and margin drop has increased. Sustainability increase finds today sustainability transient alone to inertia mechanical dependent no, rather a collection from services auxiliary includes answer fast frequency and support voltage particle for direct object includes. In this regard, grid-connected inverters with independent voltage and frequency adjustment capabilities and utilizing concepts such as virtual synchronous generator, damping, and virtual inertia play an important role in improving the transient behavior of the grid. However, the way control and restriction current in conditions low voltage one from factors key in success passage from error and recovery sustainability it is. On the other hand, energy storage systems, especially battery energy storage systems (BESS), are very effective in damping inter-area oscillations and recovering frequency and voltage in the transient phase due to their fast response and the possibility of injecting or absorbing active power. Robust control design or predictive modeling for these systems, as well as optimal placement and capacity measurement, are essential. They in basses key can as remarkable margin sustainability transient particle for direct object increase give. Also, the use of hybrid solutions that combine wide area control based on simultaneous measurement (PMU) with the coordinated operation of grid-connected inverters and energy storage systems improves the damping of critical modes and reduces the recovery time in scenarios with high penetration of renewable resources. In recent studies, the use of energy storage at the microgrid level has also been considered as an efficient method for improving transient stability, and research trends on the integration of renewable resources with energy storage and the development of policies control smart focus it has.

کلیدواژه ها:

Transient stability ، power systems ، renewable resources ، grid-connected inverter energy storage system ، wide area control