Small signal stability for parallel connected inverters in stand-alone AC supply systems

By E. Coelho, P. Cortizo, P. D. Garcia. Conference Record of the 2000 IEEE Industry Applications Conference. Thirty-Fifth IAS Annual Meeting and World Conference on Industrial Applications of Electrical Energy (Cat. No.00CH37129), 2000

705 citations recorded by the source corpus.

Subfields: Control and Systems Engineering, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/0a7ad8748f0fbc598dfd0fc35f34c272d653584b

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Citations in the corpus

A Generalized Computational Method to Determine Stability of a Multi-inverter Microgrid (2010, background): “A complete eigenvalue analysis of the microgrid shows that the dominant eigenvalues are caused by the droop controller [10]–[13].”
Power Management of Inverter Interfaced Autonomous Microgrid Based on Virtual Frequency-Voltage Frame (2011, methodology): “Finally, following the small signal analysis procedure as in [22], [ 24 ], the system stability analysis can be carried out for a DG system with the traditional droop control and virtual frame controlwith different ratio.Therootlocusplotsareshown in Fig. 5. As shown in Fig. 5(a), when the ratio chan”
Modeling and Analysis of Harmonic Stability in an AC Power-Electronics-Based Power System (2014, background): “However, many of the studies focus on the low-frequency oscillations caused by the constant power control for converters as constant power loads [7]–[9] or constant power generators [10], [11], the phase-locked loop (PLL) for grid-connected converters [12]–[14], and the droop-based power control for”
Conditions for stability of droop-controlled inverter-based microgrids (2014, methodology): “The most common approach is to control the voltage amplitude with a proportional control, the feedback signal of which is the reactive power generation relative to a reference setpoint (Chandorkar et al., 1993; Coelho et al., 2002).”
Output impedance design of parallel-connected UPS inverters with wireless load-sharing control (2005, neutral): “Frequency and voltage deviations are inherent to the conventional droop method operation.”
Voltage Stability and Reactive Power Sharing in Inverter-Based Microgrids With Consensus-Based Distributed Voltage Control (2016, background): “Furthermore, it is assumed that the active and reactive power outputs Pi and Qi given in (1) are measured and processed through a filter with time constant τPi ∈ R>0 [11], [42].”
Impedance-Based Analysis of Grid-Synchronization Stability for Three-Phase Paralleled Converters (2014, methodology): “Current existing methods for analysis of such stability issues, such as root locus and characteristic equation, require detailed converter control models that include the impedance of the grid and other converters [1][2][3].”
Understanding Small-Signal Stability of Low-Inertia Systems (2021, background): “With the increasing integration of renewables, a number of publications addressing modeling and stability of 100 % inverter-based microgrids has emerged, varying from the analysis of individual converter operation modes in a single-machine infinite-bus equivalent [5]–[10] to operation of small and r”
A Review on Microgrids’ Challenges & Perspectives (2021, neutral): “In a high reactance distribution feeder, the drawn power at the bus with PQ Droop inverter control based is presented as [57]–[59]: where, And, ϕ is the phase difference between bus and inverter voltage.”
Synchronization and power sharing for droop-controlled inverters in islanded microgrids (2012, neutral): “Small-signal stability analyses for two inverters operating in parallel are presented under various assumptions in [10,11,23,25] and the references therein.”
The Small-Signal Stability Analysis of the Droop-Controlled Converter in Electromagnetic Timescale (2019, background): “Thus, the linearized equation of the equation (3) as well as the power flow in output filter represented in [28] can be rewritten as follows:”
SoC-Based Droop Coefficients Stability Region Analysis of the Battery for Stand-Alone Supply Systems With Constant Power Loads (2021, background): “From the viewpoint of the state-steady approach, the small-signal state-steady function of the converters without voltage/current cascaded controller was built to assess the system stability in [9].”