Results 1 to 10 of about 34,712 (114)
Comparison of DSOGI-Based PLL for Phase Estimation in Three-Phase Weak Grids
Electricity, 2021 The paper presents a summary of different double second-order generalized integrator (DSOGI)-based phase-locked loop (PLL) algorithms for synchronization with three-phase weak grids.
Jorge Pinto +2 more
exaly +3 more sources
Energies, 2023 Grid-connected converters (GCCs) are used extensively for the integration of DC power sources with AC power sources. However, since it is a complex topic, there are many possibilities for regulating grid-injected currents, as well as different modulation
Guilherme Vieira Hollweg +2 more
exaly +3 more sources
Modelling and Stability Analysis of Wind Power Plants Connected to Weak Grids
Applied Sciences (Switzerland), 2019 It is important to develop modelling tools to predict unstable situations resulting from the interactions between the wind power plant and the weak power system.
Esmaeil Ebrahimzadeh +2 more
exaly +3 more sources
Parallel current‐controlled synchronverters for voltage and frequency regulation in weak grids
Journal of Engineering, 2019 The emulation of synchronous machines is becoming an attractive solution to provide virtual inertia and voltage support to weak grids and microgrids, representing an alternative to conventional current-injection control strategies.
Javier Roldan-Perez +2 more
exaly +3 more sources
Energies, 2022 The recently stipulated grid codes require wind generators to re-initiate normal power production after grid voltage sag. This paper presents a comparative performance of two commonly employed variable speed wind turbines in today’s electricity market ...
Kenneth E. Okedu, S. M. Muyeen
doaj +1 more source
Magnetically controlled reactors design for weak grids
Ain Shams Engineering Journal, 2021 Power system (PS) requires new flexible AC transmission systems, new solutions for voltage instability problems with simple design and fast response and its equipment, should allow reactive control, short-circuit capacity, dynamic behavior, flexibility ...
Ricardo Manuel Arias Velásquez +1 more
doaj +1 more source
A Systematic Control Design Method with Active Damping Control in Voltage Source Converters
Applied Sciences, 2022 This paper proposes a systematic control design method for active damping control of grid-connected voltage source converters (VSCs). The proposed control method considers the conventional cascaded control loops and improves them by including additional ...
Hosein Gholami-Khesht +3 more
doaj +1 more source
Novel Active Damping Design Based on a Biquad Filter for an LLCL Grid-Tied Inverter
Energies, 2023 LLCL filters for grid-tied inverters have been adopted to get better performance for the harmonics near the switching frequency than commonly used LCL filters. However, the resonant peak caused by a pair of unstable resonance poles of the LLCL filters is
Bin Wang +5 more
doaj +1 more source
Applied Sciences, 2022 This paper proposed a probabilistic framework that could be used for the sensitivity assessment of grid-connected voltage source converters (VSCs), where uncertainties in the grid short circuit ratio (SCR) and operating point conditions, as well as ...
Hosein Gholami-Khesht +3 more
doaj +1 more source
IEEE Open Journal of the Industrial Electronics Society, 2021 Power-synchronization control (PSC) is a promising control strategy to improve the stability and performance of voltage-source converters (VSCs) in ultra-weak AC grids.
Jennifer F. Morris +2 more
doaj +1 more source