Enhancing Power System Stability and Efficiency through Advanced Control and Converter Technologies

The recent developments in the research area of power systems and grid control have shown a significant shift towards enhancing stability and efficiency through innovative control strategies and advanced converter technologies. There is a growing emphasis on the integration of distributed energy resources (DERs) and the development of grid-forming converters to improve system resilience and frequency stability. Notably, the field is advancing towards more sophisticated control algorithms that account for active power limits and synchronization constraints, enabling better management of power flow and frequency dynamics in modern power systems. Additionally, there is a strong focus on achieving zero voltage switching (ZVS) in multilevel converters to reduce switching losses and enhance overall system efficiency. These advancements are paving the way for more reliable and efficient power systems, particularly in the context of integrating renewable energy sources and addressing the challenges posed by extreme weather events.

Particularly noteworthy are the papers that propose a holistic blackstart and restoration framework for distribution systems, the analysis of power-limiting grid-forming droop control, and the development of a method for achieving ZVS in hybrid flying capacitor multilevel converters.

Sources

Frequency stability of grid-forming power-limiting droop control

Skipped Adjacency Pulse Width Modulation: Zero Voltage Switching over Full Duty Cycle Range for Hybrid Flying Capacitor Multi-Level Converters without Dynamic Level Changing

DERs-Aided Blackstart and Load Restoration Framework for Distribution Systems Considering Synchronization and Frequency Security Constraints

Shaping Frequency Dynamics in Modern Power Systems with Grid-forming Converters

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