Advances in Power System Stability and Control

The field of power system stability and control is moving towards innovative solutions to address the challenges posed by the increasing penetration of inverter-based resources and renewable energy sources. Researchers are focusing on developing advanced control strategies, such as decoupled LVRT control and improved PLL designs, to enhance transient stability and prevent loss of synchronism. Additionally, there is a growing interest in grid-forming converters and their potential to provide critical services in remote or islanded operation. Noteworthy papers in this area include: A Novel Decoupled LVRT Control Strategy for Transient Voltage Stability Enhancement of IBRs, which proposes a power angle decoupled LVRT control to eliminate the influence of voltage angle coupling. Improved PLL Design for Transient Stability Enhancement of Grid Following Converters Based on Lyapunov Method, which presents an improved PLL design with reset control to enhance transient stability. A Novel Tunable Controller for Grid Forming Converters towards Critical Services Application, which demonstrates a control system applicable to inverter-based resources based on grid-forming technology. On the Effect of Tap Changers and Nonlinear Loads on Voltage Stability, which assesses the effect of on-load tap changers and nonlinear loads on voltage stability. Impact on transient stability of self-synchronisation control strategies in grid-forming VSC-based generators, which analyses and compares transient stability of different self-synchronisation strategies for grid-forming VSCs. Multivariable Current Controller for Enhancing Dynamic Response and Grid Synchronization Stability of IBRs, which develops a multivariable current control strategy to enhance dynamic performance and grid synchronization stability.

Sources

A Novel Decoupled LVRT Control Strategy for Transient Voltage Stability Enhancement of IBRs Using Voltage-Angle Coupling Analysis

Improved PLL Design for Transient Stability Enhancement of Grid Following Converters Based on Lyapunov Method

A Novel Tunable Controller for Grid Forming Converters towards Critical Services Application

On the Effect of Tap Changers and Nonlinear Loads on Voltage Stability

Impact on transient stability of self-synchronisation control strategies in grid-forming VSC-based generators

Multivariable Current Controller for Enhancing Dynamic Response and Grid Synchronization Stability of IBRs

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