Results 31 to 40 of about 9,456,025 (175)

A Short-Term Voltage Stability Index and case studies

CoRR, 2017
7 pages, 13 ...
openaire   +3 more sources

Multi-Class Short-Term Voltage Stability Assessment Considering the Missing Data [PDF]

International Journal of Industrial Electronics, Control and Optimization
Short-term voltage stability (STVS) varies with operating conditions of power networks, making its accurate assessment a critical challenge. This paper investigates a multi-class, data-driven approach to STVS evaluation.
AmirHossein Babaali, Mohammad Taghi Ameli   +1 more
doaj   +1 more source

Reduction in DC-Drift in LiNbO₃-Based Electro-Optical Modulator

Photonics, 2021
This study involves the results of research on short-term and long-term DC-drifts in electro-optical modulators based on annealed proton exchange waveguides in LiNbO3 crystals after wafer pre-annealing.
Aleksei Sosunov, Roman Ponomarev, Anton Zhuravlev, Sergey Mushinsky, Mariana Kuneva   +4 more
doaj   +1 more source

Quantifying the Severity of Short-term Instability Voltage Deviations

, 2022
As power systems evolve from synchronous to inverter-based generation, voltage stability plays an increasingly important role. Voltage perturbations become faster and highly variable, and as such attract the research interest in the field of short-term ...
Boricic, Aleksandar (author), Rueda, José L. (author), Popov, M. (author)   +2 more
core   +1 more source

CNN‐LSTM based power grid voltage stability emergency control coordination strategy

IET Generation, Transmission & Distribution, 2023
The occurrence of cascading failure and small probability contingency in hybrid AC/DC power grid aggravates the mismatch risk of traditional emergency control with offline‐predetermination–online‐practice (ODOP) mode.
Zhe Zhang, Boyu Qin, Xin Gao, Tao Ding
doaj   +1 more source

Preventive-Corrective Demand Response to Improve Short-Term Voltage Stability and Transient Stability in Power Systems

, 2018
This paper proposes a novel approach aiming to counteract short term voltage fluctuations and transient instability by employing centralized emergency demand response.
Zhao Yang Dong, Xu, Y, Rizhong Kang, David J. Hill, Kang, R, Yan Xu, Dong, ZY, Hill, DJ   +7 more
core   +1 more source

Probabilistic assessment of short‐term voltage stability under load and wind uncertainty

IET Smart Grid
Contemporary electricity networks are exposed to operational uncertainties, which may jeopardise the stability of the power grid. More specifically, the increasing penetration level of variable renewable energy generation and uncertainty in load demand ...
Mohammed Alzubaidi, Kazi N. Hasan, Lasantha Meegahapola, Mir Toufikur Rahman   +3 more
doaj   +1 more source

Hybrid Adaptive Learning-Based Control for Grid-Forming Inverters: Real-Time Adaptive Voltage Regulation, Multi-Level Disturbance Rejection, and Lyapunov-Based Stability

Energies
This paper proposes a Hybrid Adaptive Learning-Based Control (HALC) algorithm for voltage regulation in grid-forming inverters (GFIs), addressing the challenges posed by voltage sags and swells.
Amoh Mensah Akwasi, Haoyong Chen, Junfeng Liu, Otuo-Acheampong Duku   +3 more
doaj   +1 more source

Optimal allocation and sizing of dynamic VAR support to improve short-term voltage stability considering wind farm and dynamic load model [PDF]

International Journal of Industrial Electronics, Control and Optimization, 2018
Nowadays short-term voltage instability is a major threat for power system reliability and stability owing to the increasing proportion of renewable energy sources such as solar and wind power, induction motor loads, HVDC links and etc.
Parnian Fakhrooeian, mehrdad Abedi, peyman karimyan   +2 more
doaj   +1 more source

Demand response-based preventive-corrective control against short-term voltage instability in power systems

, 2017
Short-term voltage stability increasingly concerns research community and poses significant threat to power system under current energy grid transformation. Preventive and corrective controls are two lines of defense against voltage collapse.
Zhao Yang Dong, Xu, Y, Rizhong Kang, David J. Hill, Kang, R, Yan Xu, Dong, ZY, Hill, DJ   +7 more
core   +1 more source