Results 11 to 20 of about 3,078,193 (321)

Control of Grid-Following Inverters Under Unbalanced Grid Conditions

IEEE Transactions on Energy Conversion, 2020
This paper proposes a new control scheme to eliminate the 3rd harmonic in the output currents of grid-following inverters under unbalanced grid conditions. Unbalanced grids adversely affect the performance of grid-following inverters due to the oscillations appearing on the DC-link voltage with a frequency twice the line frequency.
Seyed Fariborz Zarei, Hossein Mokhtari, Mohammad Amin Ghasemi, Saeed Peyghami, Pooya Davari, Frede Blaabjerg   +5 more
openaire   +4 more sources

Unified Virtual Oscillator Control for Grid-Forming and Grid-Following Converters [PDF]

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2021
A unified virtual oscillator controller (uVOC) is proposed, which enables a unified analysis, design, and implementation framework for both grid-forming (GFM) and grid-following (GFL) voltage source converters (VSCs). Oscillator based GFM controllers, such as dispatchable virtual oscillator control (dVOC), offer rigorous analytical framework with ...
M. A. Awal, Iqbal Husain
openaire   +4 more sources

A Novel Koopman-Inspired Method for the Secondary Control of Microgrids with Grid-Forming and Grid-Following Sources [PDF]

Applied Energy, 2023
This paper proposes an online data-driven Koopman-inspired identification and control method for microgrid secondary voltage and frequency control. Unlike typical data-driven methods, the proposed method requires no warm-up training yet with guaranteed ...
X. Gong, Xiaozhe Wang
semanticscholar   +3 more sources

Oscillation Suppression of Grid-Following Converters by Grid-Forming Converters with Adaptive Droop Control

Energies
The high penetration of renewable energy sources (RESs) and power electronics devices has led to a continuous decline in power system stability. Due to the instability of grid-following converters (GFLCs) in weak grids, the grid-forming converters (GFMCs)
Lifeng Qiu, Miaosong Gu, Zhongjiang Chen, Zhendong Du, Ligang Zhang, Wenrui Li, Jingyi Huang, Jingyang Fang   +7 more
doaj   +2 more sources

Development of Grid-Forming and Grid-Following Inverter Control in Microgrid Network Ensuring Grid Stability and Frequency Response

Electronics (Switzerland)
This paper proposes a control strategy for grid-following inverter control and grid-forming inverter control developed for a Solar Photovoltaic (PV)–battery-integrated microgrid network.
V. V. Babu, J. P. Roselyn, C. Nithya, P. Sundaravadivel   +3 more
semanticscholar   +3 more sources

External Inertia Emulation Controller for Grid-Following Power Converter [PDF]

IEEE Transactions on Industry Applications, 2021
The advent of renewable energy has posed difficulties in the operation of power systems whose net inertia is becoming critically low. To face such challenges, grid-forming power has been one of the potential solutions pursued by the industry and research community. Although promising, grid-forming power converters are still immature for mass deployment
Ngoc-Bao Lai, Andres Tarraso, Gregory N. Baltas, Leonardo V. Marin Arevalo, Pedro Rodriguez   +4 more
openaire   +3 more sources

Research on Synchronization Control of Distributed Generation Based on Second-Order Unified Model

Zhongguo dianli, 2023
The existing grid connection controls of distributed generation inverters are mainly classified into the grid-following (GFL) control and the grid-forming (GFM) control.
Yan HUANG, Yingpeng HAO, Huixian WANG, Longye ZHENG, Kaizhe ZHANG, Yinliang XU   +5 more
doaj   +1 more source

Modelling of grid-following current-controlled VSC

Journal of Physics: Conference Series, 2023
Abstract The voltage sourced converter (VSC) is a basic element in the grid connected solar-PV system that used in converting the DC-generated power from the solar-PV to AC power compatible with the utility grid. In this paper, a grid connected, three phase, two level VSC model and its control technique are simulated.
E Saad, S Helmy, Y Elkoteshy, U Abouzayed   +3 more
openaire   +1 more source

Grid-Forming and Grid-Following Based Microgrid Inverters Control

Iraqi Journal for Electrical and Electronic Engineering, 2022
Microgrids (ℳ-grids) can be thought of as a small-scale electrical network comprised of a mix of Distributed Generation (DG) resources, storage devices, and a variety of load species. It provides communities with a stable, secure, and renewable energy supply in either off-grid (grid-forming) or on-grid (grid-following) mode.
Ali Jasim, Basil Jasim
openaire   +1 more source

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.
Sijia Geng, Ian A. Hiskens
doaj   +1 more source