Results 11 to 20 of about 768,956 (315)

Recognition of transient instability scenarios of the receiving-end grid and control strategy optimization

open access: yesZhejiang dianli, 2023
Under the influences of AC-DC coupling, uncoordinated network-source development, and new energies that fail to meet the demand of grid-related performance, power system stability is becoming a point of extreme gravity. The correlation characteristics of
WANG Bowen   +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

A study of the transient synchronization stability of PLL-GFC-based MMC-HVDC systems

open access: yesZhejiang dianli, 2023
Phase-locked loop-based grid-forming converters (PLL-GFCs) can regulate frequency and voltage. However, the transient synchronization stability after their connection to the high-voltage AC power grid is unclear.
HUA Wen   +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

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

Transient Stability Enhancement Using Phasor Model of Superconducting Magnetic Energy Storage [PDF]

open access: yes, 2016
Superconducting Magnetic Energy Storage (SMES) is one of most important device attracting researchers for enhancing the transient stability of power systems.
Bey, M. (Mohamed)   +1 more
core   +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

Power System Transient Stability Boundary Analysis From the Perspective of Data

open access: yes发电技术, 2020
With the introduction of the ubiquitous power Internet of Things, power system analysis based on data mining will play an increasingly important role in the construction of the energy internet.
Gaoshang ZHAO   +6 more
doaj   +1 more source

Prediction of Probabilistic Transient Stability Using Support Vector Machine

open access: yesTransactions on Environment and Electrical Engineering, 2022
Transient stability assessment is an integral part of dynamic security assessment of power systems. Traditional methods of transient stability assessment, such as time domain simulation approach and direct methods, are appropriate for offline studies and
Umair Shahzad
doaj   +1 more source

Transient growth in Taylor-Couette flow [PDF]

open access: yes, 2002
Transient growth due to non-normality is investigated for the Taylor-Couette problem with counter-rotating cylinders as a function of aspect ratio eta and Reynolds number Re. For all Re < 500, transient growth is enhanced by curvature, i.e.
Faisst H.   +12 more
core   +2 more sources

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