What factors affect IRES power injection to weak grids?

Factors such as available fault limit (AFL), feeder length and grid nature (resistive or inductive) affect the IRES power injection to weak grids. This paper presents a detailed analysis on the impacts of these factors on the POI voltage and the IRES power injection to the grid.

What is inverter based res?

With the emergence of renewable energy sources (RESs), the power grid all over the world is going through a paradigm shift. The inverter based RESs are replacing the conventional rotating synchronous generators and this trend is expected to continue in coming years.

Can battery energy storage systems mitigate voltage and frequency stability issues?

The use of battery energy storage systems (BESSs) to mitigate voltage and frequency stability issues in weak grids, due to high penetration of IRESs, is explored in the study presented in ref. , with a binary grey wolf optimisation method being employed to optimise the placement and sizing of BESSs.

Can voltage source converters be integrated into weak power grids?

Similar analysis on the the challenges of integration of voltage source converters (VSCs) into weak power grids by investigating the resonance between DC-link voltage control (DVC) and synchronizing control phase-locked loop (PLL) has been presented in [ 19 ].

Are inverter based Res a viable alternative to synchronous generators?

The inverter based RESs are replacing the conventional rotating synchronous generators and this trend is expected to continue in coming years. Consequently, the grid strength is decreasing, which can pose significant challenges on the grid stability, especially during integration of IRESs.

Does IRES integration affect grid strength and voltage stability?

On the other hand in [ 16 ], it has been shown through a case study for Great Britain test system that increased integration of IRESs and the location of the integration also affects the grid strength and voltage stability.