Analysis of Phase-Locked Loop Low-Frequency Stability in Three-Phase Grid-Connected Power Converters Considering Impedance Interactions

By Dong Dong, Bo Wen, Dushan Boroyevich, Paolo Mattavelli, Yaosuo Xue. IEEE transactions on industrial electronics (1982. Print), 2015

647 citations recorded by the source corpus.

Subfields: Control and Systems Engineering, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/d044d8b1d9219d5c6b2d79895029af2ad1e90b88

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In Control and Systems Engineering

In Electrical and Electronic Engineering

Citations in the corpus

Grid-Synchronization Stability of Converter-Based Resources—An Overview (2020, background): “negative resistance (non-passive) in the low-frequency range, which jeopardizes the converter-grid stability [27], [43].”
Design-Oriented Transient Stability Analysis of PLL-Synchronized Voltage-Source Converters (2018, background): “It is worth mentioning that this simplified representation of gridconnected VSCs has been proven as adequate in [10]-[16], [18]-[22] for analyzing the transient stability impact of the PLL.”
Sequence Domain SISO Equivalent Models of a Grid-Tied Voltage Source Converter System for Small-Signal Stability Analysis (2018, background): “Oscillations at both low [3] and high frequencies [4] were observed in VSCbased systems, particularly in weak grid conditions [5].”
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, neutral): “Impedance equivalents have also been verified through experimental studies [11],[12],[20]-[22].”
Current Limiting Control With Enhanced Dynamics of Grid-Forming Converters During Fault Conditions (2020, background): “As explained in [4], [5], [34], the PLL is a critical component for the converter stability, especially during lowvoltage situations.”
Large Signal Synchronizing Instability of PLL-Based VSC Connected to Weak AC Grid (2019, neutral): “For the sake of mechanism revealing instead of simple mathematical solution, graphic method of voltage vector synthesis and additional self-synchronization loop are proposed in [17] and [18], respectively.”
An Overview of Assessment Methods for Synchronization Stability of Grid-Connected Converters Under Severe Symmetrical Grid Faults (2019, neutral): “Quasi-static large-signal model of converter, grid network and SRF-PLL [25].”
The Small-Signal Stability Analysis of the Droop-Controlled Converter in Electromagnetic Timescale (2019, background): “Remark 1: The structure of the PLL provided in this paper is a widely adopted structure [16]-[17], [32].”
Robust Vector Control of a Very Weak-Grid-Connected Voltage-Source Converter Considering the Phase-Locked Loop Dynamics (2017, background): “Regardless of the PLL type, its impact on the converter output impedance is negative [12].”
Modeling Type-4 Wind in Weak Grids (2019, background): “Investigation of the impact of PLL on stability can also be found in [5], [10]–[12].”
Revisiting Grid-Forming and Grid-Following Inverters: A Duality Theory (2021, background): “As a dual, increasing the impedances of lines can also lead to the weak-grid instability of GFL2 or GFL8, which has been widely discussed in literature [8], [9], [14], [19] and is not examined further here.”