Results 1 to 10 of about 665 (240)

Overview on Grid-Forming Inverter Control Methods [PDF]

Energies, 2020
In this paper, different control approaches for grid-forming inverters are discussed and compared with the grid-forming properties of synchronous machines. Grid-forming inverters are able to operate AC grids with or without rotating machines. In the past,
Peter Unruh, Maria Nuschke, Philipp Strauß, Friedrich Welck   +3 more
doaj   +2 more sources

Synchronization of Inverters in Grid Forming Mode

IEEE Access, 2022
This article compares two strategies for seamless (re)connection of grid-forming inverters to a microgrid powered by droop-controlled inverters. While an incoming inverter must be synced to the microgrid, seamless syncing and power-sharing are technical ...
Dushyant Sharma, Fahmid Sadeque, Behrooz Mirafzal   +2 more
doaj   +2 more sources

Voltage Balancing Capability of Grid-Forming Inverters

IEEE Open Access Journal of Power and Energy, 2022
The objective of this paper is to analyze and identify the range of voltage balancing capability of grid-forming inverters serving three-phase unbalanced loads.
Taehyung Kim, Nicholas G. Barry, Woosung Kim, Surya Santoso, Wenzong Wang, Roger C. Dugan, Deepak Ramasubramanian   +6 more
doaj   +2 more sources

Optimization of power management in PV-based smart grids using grid-support and grid-forming inverters. [PDF]

PLoS ONE
This paper addresses the synthesis and analysis of advanced control strategies in photovoltaic (PV) based smart grids with distributed generation, focusing on grid support and grid-forming inverters. The penetration level of renewable energy sources such
Amam Hossain Bagdadee, Ishtiak Al Mamoon, Deshinta Arrova Dewi, A K M Muzahidul Islam, Li Zhang   +4 more
doaj   +2 more sources

Adaptive Fault Detection for Grid-Forming Inverters

IEEE Access
This work introduces a residual-based adaptive threshold for detecting faults in grid-forming inverters in AC microgrids islanded from the main grid. The inverters are modeled as a nonlinear system with one-sided Lipschitz nonlinearities and modeling ...
Gabriel Intriago, Yu Zhang
doaj   +2 more sources

Pole Slipping in Droop-Based Grid-Forming Inverters

IEEE Access
Integration of grid-forming inverter-based resources is considered as a viable solution to address the challenges associated with the dynamics of power systems with high penetration levels of inverter-based resources.
Negar Karimipour, Hansi Wijayalath Arachchilage, Amir Abiri Jahromi, Behrooz Bahrani, Mohammadreza F. M. Arani   +4 more
doaj   +2 more sources

Modularized Small-Signal Modeling of Grid-Forming Inverters

IEEE Access
A wide variety of control schemes for Grid-Forming Inverters (GFMIs) have been developed to enable inverter-based resources (IBRs) to comply with evolving grid-code requirements and deliver essential support services such as frequency and voltage ...
Sohail A. Ali, Paul Serna-Torre, Patricia Hidalgo-Gonzalez, Mehdi Ghazavi Dozein, Behrooz Bahrani   +4 more
doaj   +2 more sources

Unified Grid-Forming/Following Inverter Control

IEEE Open Access Journal of Power and Energy, 2022
The paper describes an inverter control scheme which incorporates both a phase-locked loop (PLL) for voltage synchronization and power-frequency droop for load sharing. As such, it is a hybrid grid-forming/following controller and offers beneficial characteristics of both.
Sijia Geng, Ian A. Hiskens
openaire   +3 more sources

Grid Forming Inverters: A Review of the State of the Art of Key Elements for Microgrid Operation

Energies, 2022
In the past decade, inverter-integrated energy sources have experienced rapid growth, which leads to operating challenges associated with reduced system inertia and intermittent power generation, which can cause instability and performance issues of the ...
Sara Anttila, Jéssica S. Döhler, Janaína G. Oliveira, Cecilia Boström   +3 more
doaj   +1 more source

Transient Stability Analysis for Grid-Forming Inverters Transitioning from Islanded to Grid-Connected Mode

IEEE Open Journal of Power Electronics, 2022
This paper addresses the transient stability of grid-forming (GFM) inverters when transitioning from the islanded to grid-connected mode. It is revealed that the reconnection of the GFM inverters to the main grid can be equivalent to a step change of the
Teng Liu, Xiongfei Wang, Fangcheng Liu, Kai Xin, Yunfeng Liu   +4 more
doaj   +1 more source