Results 41 to 50 of about 201,343 (198)

Stability Improvement of Power System Due to Wind Farm and Fault Using FACTS Devices [PDF]

, 2018
Wind energy is gaining the most interest among a variety of renewable energy resources, but the disadvantage is that wind power generation is intermittent, depending on weather conditions. FACTS devices are used to increase the transient stability on the
Dey, S. (Smriti), Lyngdoh, M. (Maitshaphrang), Sawkmie, D. (Darihun), Thabah, J. S. (Julene)   +3 more
core   +1 more source

Comparative analysis of existing models for power-grid synchronization

, 2015
The dynamics of power-grid networks is becoming an increasingly active area of research within the physics and network science communities. The results from such studies are typically insightful and illustrative, but are often based on simplifying ...
Motter, Adilson E., Nishikawa, Takashi
core   +1 more source

Geometry-based Estimation of Stability Region for A Class of Structure Preserving Power Grids [PDF]

, 2015
The increasing development of the electric power grid, the largest engineered system ever, to an even more complicated and larger system requires a new generation of stability assessment methods that are computationally tractable and feasible in real ...
Turitsyn, Konstantin, Vu, Thanh Long
core   +3 more sources

Transient voltage stability assessment and margin calculation based on disturbance signal energy feature learning

Frontiers in Energy Research
With the increasing variation of the network topology and the high complexity of the processing measurement data, the transient voltage stability assessment of the new power system is facing significant challenges in low accuracy and high time costs.
Yan Chen, Zirui Huang, Zhaobin Du, Guoduan Zhong, Jiawei Gao, Hongyue Zhen   +5 more
doaj   +1 more source

Data-Driven Diagnostics of Mechanism and Source of Sustained Oscillations [PDF]

, 2015
Sustained oscillations observed in power systems can damage equipment, degrade the power quality and increase the risks of cascading blackouts. There are several mechanisms that can give rise to oscillations, each requiring different countermeasure to ...
Turitsyn, Konstantin, Wang, Xiaozhe
core   +1 more source

Calculation of the Autocorrelation Function of the Stochastic Single Machine Infinite Bus System [PDF]

, 2013
Critical slowing down (CSD) is the phenomenon in which a system recovers more slowly from small perturbations. CSD, as evidenced by increasing signal variance and autocorrelation, has been observed in many dynamical systems approaching a critical ...
Cotilla-Sanchez, Eduardo, Ghanavati, Goodarz, Hines, Paul D. H., Lakoba, Taras   +3 more
core   +1 more source

Analysis of the influence of dynamic components of AC/DC system on transient voltage stability based on energy function method

The Journal of Engineering, 2018
With the interconnection of large power networks, transient voltage stability of AC/DC power systems has been paid more attention in recent years. To investigate main influence of generating facility, high-voltage direct current (HVDC) and motor load for
Wenqian Zhang, Zhaobin Du, Changshu Huang, Chengjun Xia, Yao Zhang   +4 more
doaj   +1 more source

Digital Current-Control Schemes [PDF]

, 2009
The paper is about comparing the performance of digital signal processor-based current controllers for three-phase active power filters. The wide use of nonlinear loads, such as front-end rectifiers connected to the power distribution systems for dc ...
Bojoi, Iustin Radu, Griva, Giovanni Battista, Limongi, Leonardo, Tenconi, Alberto   +3 more
core   +1 more source

Fast Assessment Method for Transient Voltage Stability of Photovoltaic Receiving-End Grid

Advances in Mathematical Physics
The incorporation of renewable energy on a broad scale into power grids increases the complexity to the issue of transient voltage stability in power systems.
Ying Qu, Xiaoqing Han, Tao Meng, Xinyuan Liu, Danyang Chen, Zhewen Niu   +5 more
doaj   +1 more source

Optimal Transient Control Scheme for Grid-Forming Permanent Magnet Synchronous Generator-Based Wind Farms

Technologies
In this paper, an optimal transient control (OTC) scheme is proposed to improve the transient stability of the grid-forming (GFM) wind farm (WF) based on the transient stability of the WTs.
Pan Hu, Dan Liu, Kan Cao, Lai Wei
doaj   +1 more source