Small-Signal Methods for AC Distributed Power Systems–A Review

By Jian Sun. IEEE transactions on power electronics, 2009

679 citations recorded by the source corpus.

Subfields: Control and Systems Engineering, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/893ae117e55ab02fa3b39d45514f9e0578d089cf

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Citations in the corpus

Impedance-Based Stability Criterion for Grid-Connected Inverters (2011, background): “ac power systems has also been reported [10].”
Impedance-Model-Based SSR Analysis for Type 3 Wind Generator and Series-Compensated Network (2012, methodology): “IMPEDANCE-BASED NYQUIST STABILITY CRITERION Impedance-based small-signal analysis has been applied in power electronic converter analysis in [12] and [13].”
Impedance Modeling and Analysis of Grid-Connected Voltage-Source Converters (2014, methodology): “This method, however, has several limitations and disadvantages, as discussed in [12].”
Frequency Coupling Characteristic Modeling and Stability Analysis of Doubly Fed Induction Generator (2018, methodology): “Since the dc-link is regarded as an ideal dc voltage source, and the model of grid-connected inverter has been developed in [15], the development for the grid side converter (GSC) is not included in this paper.”
Large Signal Stability Analysis at the Common Coupling Point of a DC Microgrid: A Grid Impedance Estimation Approach Based on a Recursive Method (2015, methodology): “For the estimation of the equivalent microgrid impedance, two methodologies can be used: time domain signals [21] and frequency domain signals [14].”
Harmonic Stability in Power Electronic-Based Power Systems: Concept, Modeling, and Analysis (2019, methodology): “dynamics of power networks have to be included in the statespace model, which significantly increases the system order and thus requires high computational power [27].”
Minimal Invasive Equivalent Grid Impedance Estimation in Inductive–Resistive Power Networks Using Extended Kalman Filter (2014, background): “Besides the network distortions, a nonnegligible grid impedance is an important parameter that determines the interaction between distributed energy sources (and loads) among each other [5]–[7] and that determines the stability limits of the whole electrical power system [3], [8], [9].”
An active damper for stabilizing power electronics-based AC systems (2013, methodology): “In [9], the impedance-based stability analysis method, originating from the Middlebrook’s Extra Element Theorem [10], provides a powerful tool to gain the insight of the converter interactions.”
Sequence Domain SISO Equivalent Models of a Grid-Tied Voltage Source Converter System for Small-Signal Stability Analysis (2018, methodology): “Therefore, the harmonic linearization method from a previous study [12] is applied to obtain sequence impedances [8].”
A Modified Sequence-Domain Impedance Definition and Its Equivalence to the dq-Domain Impedance Definition for the Stability Analysis of AC Power Electronic Systems (2016, methodology): “It has been argued that sequence-domain impedances are easier to obtain than dq-domain impedances due to the decoupling between positive and negative sequences [1], [12].”
Microgrid Stability Definitions, Analysis, and Examples (2020, background): “Various bodies of work are demonstrating that small-perturbation stability might not give as an accurate representation of stability in microgrids [60], [61].”
Impedance Modeling of Three-Phase Voltage Source Converters in DQ, Sequence, and Phasor Domains (2017, background): “However, negative resistance behavior of constant power ac loads is not captured by the sequence domain impedance models [23].”
AC Stability Analysis and dq Frame Impedance Specifications in Power-Electronics-Based Distributed Power Systems (2017, methodology): “2) Sequence Domain: In [10], sequence-domain impedances, see (5), are defined using harmonic linearization, i p and in are the current perturbations in positive and negative sequences, v p and vn are the voltage responses accordingly.”
Modeling and Analysis of Harmonic Stability in an AC Power-Electronics-Based Power System (2014, background): “Also, the output impedance of the component or subsystem can be accordingly reshaped to stabilize the overall power system [38].”
An Active Damper for Stabilizing Power-Electronics-Based AC Systems (2014, positive): “This implies that the closed-loop gains of the active rectifiers Gcl,i and Gcl,j have no poles in the righthalf plane, and thus providing a theoretical basis for employing the impedance-based stability criterion [9], [20]–[23].”
Small-Signal Stability Analysis of Three-Phase AC Systems in the Presence of Constant Power Loads Based on Measured d-q Frame Impedances (2015, methodology): “Different from d-q frame method where three-phase ac system becomes two coupled dc systems, so that traditional linearization can be applied, an interesting approach extract impedances in the stationary abc-frame using harmonic linearization [20].”
Analysis of Low-Frequency Oscillation in Electric Railways Based on Small-Signal Modeling of Vehicle-Grid System in dq Frame (2015, methodology): “The small-signal modeling of power electronic devices and the impedance-based system stability analysis have the essence of dividing the interconnected system to a source subsystem and a load subsystem so that the rebuilt of the whole system model can be avoided when there are some changes in one lo”
Power Flow Stabilization and Control of Microgrid with Wind Generation by Superconducting Magnetic Energy Storage (2011, background): “Its design is based on concepts of instantaneous power on the synchronousrotating d–q reference frame [24], [25].”