Input-Admittance Calculation and Shaping for Controlled Voltage-Source Converters

By Lennart Harnefors, Massimo Bongiorno, Stefan Lundberg. IEEE transactions on industrial electronics (1982. Print), 2007

1,070 citations recorded by the source corpus.

Subfields: Control and Systems Engineering, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/9cb2cd5ef4f0d8dadd2dd72569cf3a2cab34db16

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In Control and Systems Engineering

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Citations in the corpus

Distributed Control Strategies for Microgrids: An Overview (2020, methodology): “The application of virtual impedances has been extensively used in MG and distributed generation systems for stability purposes [176], [177], sharing of harmonic distortion and imbalances, [119], [120], [178], [179], FaultRide-Through control [180], etc.”
Symmetrical PLL for SISO Impedance Modeling and Enhanced Stability in Weak Grids (2020, methodology): “In order to perform the stability analysis in different frames directly, different linearization methods are utilized to establish the impedance model of the converter, resulting in the dq-frame impedance model [7], [8] and the αβ-frame impedance model [9].”
Modeling and Control of VSC-HVDC Links Connected to Weak AC Systems (2010, background): “This inconvenience is avoided by selecting the direct-voltage controller operating instead on the error ( u dc 2−u2dc as suggested in [13,85].”
An active damper for stabilizing power electronics-based AC systems (2013, background): “It has been shown that a non-negative real part of the input admittance of a grid-connected converter is usually required for the damping of oscillations [11].”
Passivity-Based Stability Assessment of Grid-Connected VSCs—An Overview (2016, methodology): “, the PLL and the DVC, unnecessarily large, this particularly applies for the PLL in inverter operation and the DVC in rectifier operation [2], [11], [23]; 4) use an αβ-frame CC to reduce the PLL impact [46].”
Robust Vector Control of a Very Weak-Grid-Connected Voltage-Source Converter Considering the Phase-Locked Loop Dynamics (2017, methodology): “grid, as viewed from the PCC, is usually used during the analysis and control design stages [7]–[16].”
Modeling of Grid-Connected VSCs for Power System Small-Signal Stability Analysis in DC-Link Voltage Control Timescale (2017, background): “For VSC control loops as introduced in Section II-(A), the response time constant of current control is often designed around 10 ms (which is closely related with the switching frequency), and those of DVC, TVC and PLL are about ten times larger selected [21].”
Inverse Nyquist Stability Criterion for Grid-Tied Inverters (2017, methodology): “It has been used in many applications, ranging from filter-converter systems [7], and interconnected dc–dc [8]–[10], and ac–ac [11]–[14] systems to the subsynchronous [15]–[17] and harmonic stability [18], [19] problems of grid-tied inverter systems.”
Modeling and Analysis of VSC-Based HVDC Systems for DC Network Stability Studies (2016, background): “Most important of all, passivity concepts are introduced in [13] and [14] and it is claimed that ac resonances are damped if the VSC input admittance has a positive real part.”
Modeling and Analysis of Harmonic Stability in an AC Power-Electronics-Based Power System (2014, background): “Thus, only the subsynchronous oscillation may be induced by the grid synchronization [12]–[14].”
Analysis of Resonance Between a VSC-HVDC Converter and the AC Grid (2018, methodology): “The ac impedance modeling considering outer loop and phase-lock loop can be found in [15], [17], [26], and [27].”
Impedance-Based Analysis of DC-Link Voltage Dynamics in Voltage-Source Converters (2019, methodology): “Moreover, a parametric impedance model including the dc-link voltage control is developed for VSCs, which, differing from the existing dc-link dynamic analysis [14], [20], explicitly identifies the effects of VSC system parameters on the output negative impedance.”
Passivity-Based Controller Design of Grid-Connected VSCs for Prevention of Electrical Resonance Instability (2015, positive): “As shown in [6], if the behavior is passive at, and in the neighborhood of, each poorly damped resonance, then destabilization is unlikely to occur.”
Sequence Domain SISO Equivalent Models of a Grid-Tied Voltage Source Converter System for Small-Signal Stability Analysis (2018, background): “Impedance models of three-phase VSCs [6]–[9], single-phase VSCs [10], and modular multi-level converters [11], among others, have been developed rigorously in recent literature.”
Control of HVDC Light System Using Conventional and Direct Current Vector Control Approaches (2010, positive): “In addition, the phase-locked loop (PLL) dynamics of the conventional control strategy might also have a negative impact on the performance of VSC-HVdc links for weak ac-system connections [18], [19], [21].”
AC Stability Analysis and dq Frame Impedance Specifications in Power-Electronics-Based Distributed Power Systems (2017, methodology): “frequency response of Yqq [15]–[19], it is recommended then that impedance specifications be issued for both d- and q-axes in the dq-domain.”