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Hybrid transient stability analysis (power systems)

IEEE Transactions on Power Systems, 1990
The hybrid method of power system transient stability analysis, which combines the desirable features of both the time-domain simulation technique and the direct method of transient stability analysis, is presented. The hybrid method first computes the actual system trajectory using time-domain simulation, then evaluates the transient energy function ...
G.A. Maria, C. Tang, J. Kim
openaire   +1 more source

Modeling and Transient Stability Analysis of Mixed-GFM-GFL-Based Power System

Information Security Practice and Experience, 2021
The transient stability mechanism of grid-following inverter (GFL-inverter) and grid-forming inverter (GFM-inverter) in the power system has been extensively studied respectively, whereas the integration of GFM-inverters and GFL-inverters into the grid ...
Mingfei Li   +5 more
semanticscholar   +1 more source

Transient Stability Analysis for Hybrid Parallel-Connected Converters by Two-Dimensional Phase Portrait

IEEE transactions on power electronics
A hybrid parallel-connected system with grid-following (GFL) and grid-forming (GFM) converters can be characterized as a high-order nonlinear dynamic system when performing transient synchronous stability analysis, which cannot be analyzed clearly by the
Shunliang Wang   +5 more
semanticscholar   +1 more source

Quantitative Transient Stability Analysis for Parallel Grid-Tied Grid-Forming Inverters Considering Reactive Power Control

IEEE transactions on power electronics
Transient stability of single grid-forming inverter (GFMI) system has been thoroughly analyzed in recent years, but quantitative transient stability analysis for parallel GFMI system considering reactive power control has not been studied. To bridge this
Cong Luo   +3 more
semanticscholar   +1 more source

Transient Stability Analysis and Enhancement of Renewable Energy Conversion System During LVRT

IEEE Transactions on Sustainable Energy, 2020
Grid-connected renewable energy conversion systems (RECSs) are usually required by grid codes to possess the low voltage ride through (LVRT) and reactive power support capabilities so as to cope with grid voltage sags.
Xiuqiang He, H. Geng, Ruiqi Li, B. Pal
semanticscholar   +1 more source

Probabilistic on-line transient stability analysis

IEE Proceedings - Generation, Transmission and Distribution, 1999
The feasibility of a probabilistic framework for real-time transient stability assessment (TSA) is explored. The main contribution of the probabilistic approach consists in a natural framework for dynamic security assessment (DSA). An advantage of the proposed approach is the enlargement of the time horizon for TSA, which allows contingency analysis to
CHIODO, ELIO   +3 more
openaire   +5 more sources

Transient Stability Analysis and Enhancement of Grid-Forming and Grid-Following Converters

IEEE Journal of Emerging and Selected Topics in Industrial Electronics
The increasing prevalence of grid-following (GFL) converters in modern power systems raises concerns about transient stability, mainly stemming from loss of synchronization (LOS).
Chenhang Xu   +5 more
semanticscholar   +1 more source

An Iterative Equal Area Criterion for Transient Stability Analysis of Grid-Tied Converter Systems With Varying Damping

IEEE Transactions on Power Systems
With the increasing penetration of renewable energy generators, the stability issues of grid-tied converter systems become much more important. However, due to the high nonlinearity and varying damping of converter systems, conventional transient ...
Xilin Li   +5 more
semanticscholar   +1 more source

Real-Time Transient Stability Analysis Implementation

2020
Implementation of real-time transient stability application in the control room covering the Western Interconnection is a tremendous task. Some of the prerequisites are real-time steady-state model of interconnection, dynamic models, development of clearly defined user cases, and defining stability criteria together with operation procedures.
Slaven Kincic, Hongming Zhang
openaire   +1 more source

Transient Stability Analysis of Grid Forming Converters Based on Damping Energy Visualization and Geometry Approximation

IEEE transactions on industrial electronics (1982. Print)
The damping effect in grid forming (GFM) control is inherently large and thus has great impact on its transient stability. Although qualitative understanding of damping has been developed in recent studies, an analytical and intuitive method for ...
Jintao Lei   +4 more
semanticscholar   +1 more source

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