Results 21 to 30 of about 5,022,072 (260)

Nonlinear Transient Stability Analysis of Phased-Locked Loop-Based Grid-Following Voltage-Source Converters Using Lyapunov’s Direct Method

open access: yesIEEE Journal of Emerging and Selected Topics in Power Electronics, 2021
In this article, using Lyapunov’s stability theorem, the transient stability conditions for a grid-following voltage-source converter (VSC) are found. These conditions take into account both the grid specifications and the VSC’s dynamics.
Milad Zarif Mansour   +5 more
semanticscholar   +1 more source

Review on Power System Transient Stability Control Technologies Based on Wide-Area Measurement Information

open access: yes发电技术, 2018
Power system transient stability control based on response is one of the main applications of wide-area measurement system (WAMS). WAMS that can obtain real-time dynamic response data of the whole power grid, provides a strong technical support to the ...
Dan HUANG, Shuyong CHEN, Wei WANG
doaj   +1 more source

An optimized algorithm for optimal power flow based on deep learning

open access: yesEnergy Reports, 2021
With the increasing requirements for power system transient stability assessment, the research on power system transient stability assessment theory and methods requires not only qualitative conclusions about system transient stability but also ...
Qinggang Su   +5 more
doaj   +1 more source

Research on flexible excitation system applied to improve transient stability characteristics of the receiving-end power grid

open access: yesZhejiang dianli, 2022
The transient forced excitation of the traditional excitation system used for synchronous condenser is limited and unmaintainable. A flexible excitation system can improve the crest value of transient forced excitation and maintain the forced excitation ...
WANG Longfei   +5 more
doaj   +1 more source

Improved active power control of virtual synchronous generator for enhancing transient stability

open access: yesIET Power Electronics, 2023
Virtual synchronous generators (VSGs) are widely used as grid‐forming control converters in the inverter‐dominated power system. Similar to synchronous generators (SGs), there would also be transient instability of VSGs under certain conditions.
Kongyuan Li   +5 more
doaj   +1 more source

Robustly Cooperative Control of Transient Stability for Power System Considering Wind Power and Load Uncertainty by Distribution Preserving Graph Representation Learning (DPG)

open access: yesEnergies, 2023
Aiming at the influence of wind power and load uncertainty on the transient stability of a power system under low carbon mode, this paper first proposes a collaborative preventive and emergency control model of transient stability by distribution ...
Fang Yao   +3 more
doaj   +1 more source

Comparative Transient Stability Assessment of Droop and Dispatchable Virtual Oscillator Controlled Grid-Connected Inverters

open access: yesIEEE transactions on power electronics, 2021
With the increasing integration of power electronics interfaced distributed generators, transient stability assessment of grid-connected inverters subjected to large grid disturbances is of vital importance for the secure and resilient operation of the ...
Hui Yu   +4 more
semanticscholar   +1 more source

Transient Stability of Voltage-Source Converters With Grid-Forming Control: A Design-Oriented Study

open access: yesIEEE Journal of Emerging and Selected Topics in Power Electronics, 2020
Driven by the large-scale integration of distributed power resources, grid-connected voltage-source converters (VSCs) are increasingly required to operate as grid-forming units to regulate the system voltage/frequency and emulate the inertia.
Donghua Pan   +3 more
semanticscholar   +1 more source

Fast Power System Transient Stability Simulation

open access: yesEnergies, 2023
Power system transient stability simulation is of critical importance for utilities to assess dynamic security. Most of the commercially available tools use the traditional numerical integration method to simulate power system transient stability, which ...
Teshome Lindi Kumissa, Fekadu Shewarega
doaj   +1 more source

Transient Stability of Single-Loop Voltage-Magnitude Controlled Grid-Forming Converters

open access: yesIEEE transactions on power electronics, 2021
This letter presents a design-oriented analysis on the transient stability of grid-forming (GFM) converters using single-loop voltage-magnitude control scheme.
Teng Liu, Xiongfei Wang
semanticscholar   +1 more source

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