Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 8 of 8 for “"Grid-forming Inverters"”.
-
Phase control of delta-connected single-phase grid-forming inverters for auxiliary signal injection
… source made up of single-phase droop-controlled grid forming inverters arranged in a delta configuration. We begin by deriving the simplified $dq$ model of a three-phase ($3\phi$) grid-forming inverter and discuss proper selection of inner-current loop and outer-voltage loop gains for stability. …
-
Innovative Systemic Control of Grid-Edge Inverters in Distribution Grids for Enhanced Grid Services
… that enhances the performance and resilience of grid-edge inverters. Specifically, it proposes an innovative systematic methodology to improve the grid services of grid-forming inverters, ensuring robust performance under complex grid conditions. This methodology demonstrates broad applicability …
-
Transmission grid strength analysis and operation of inverter-based microgrids
Renewable energy resources interfaced using inverters contribute insignificant inertia and short-circuit capacity to the power system. As a result, frequency response and voltage regulation may be adversely affected. For this reason, this work focuses on evaluating transmission system strength and …
-
Modeling, simulation, and control design of electro-mechanical dynamics in heterogeneous power systems
… power systems with synchronous generators and grid forming inverters with droop control, virtual synchronous machine control, and dispatchable virtual oscillator control is developed. To mitigate model complexity and facilitate analytical understanding, this framework employs reduced-order …
-
Dynamic Modeling and Real-time Simulation of Power Electronics-dominated Power Grids Using Hybrid DDM and EDDM Techniques
… differential algebraic equations. As modern grids grow in size and complexity, traditional sequential simulation methods have become increasingly computationally challenging and time-consuming. This research investigates parallelism techniques from both an innovative algorithmic perspective …
-
Regenerative Electric Spring Based Grid Forming Inverter for Next-Generation Power Systems
… are evolving into power electronics-dominated grids. The reduction of synchronous generator-based inertia increases grid vulnerability to frequency and voltage fluctuations, requiring advanced control strategies to enhance stable and reliable operation under varying load and generation …
-
Inverter-based Control to Enhance the Resiliency of a Distribution System
… in the integration of renewable energy to the grid, there is a critical need for varying the existing methods and techniques for grid operation. With increased renewable energy, mainly wind and photovoltaics, there is a reduction in inertia as the percentage of inverter-based resources is …
-
Control and optimization of modern power networks: hybrid AC/DC networks and inverter-based microgrids
… loads; and increasing use of DC transmission, forming hybrid AC/DC networks. This raises new challenges and opportunities for the power system, particularly in terms of its control and optimization. In this thesis, we will consider some of these challenges for the control and optimization of …