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Journal articles on the topic 'Electromechanical oscillation modes'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Bektimirov, Anur, Om Parkash Malik, Almaz Saukhimov, and Eugene Didorenko. "Identification and damping of low-frequency oscillations based on WAMS data and the revisited residue method – part I." Eastern-European Journal of Enterprise Technologies 2, no. 8 (122) (2023): 6–17. http://dx.doi.org/10.15587/1729-4061.2023.275088.

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The results of low-frequency oscillations identification in the Republic of Kazakhstan power grid by using a Wide Area Measurement System are presented and an algorithm for damping low-frequency oscillations is proposed in this paper. Analysis of weakly damped inter-area low-frequency oscillations revealed a constant mode with a frequency range of 0.3‒0.4 Hz. It was determined that at these low-frequency oscillations, the amplitude of active power fluctuations along the transmission line was 150 MW with a duration of 9 minutes. The modal analysis calculation of the Republic of Kazakhstan power

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2

Gajjar, Gopal R., and Shreevardhan Soman. "Power System Oscillation Modes Identifications: Guidelines for Applying TLS-ESPRIT Method." International Journal of Emerging Electric Power Systems 14, no. 1 (2013): 57–66. http://dx.doi.org/10.1515/ijeeps-2013-0023.

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Abstract Fast measurements of power system quantities available through wide-area measurement systems enables direct observations for power system electromechanical oscillations. But the raw observations data need to be processed to obtain the quantitative measures required to make any inference regarding the power system state. A detailed discussion is presented for the theory behind the general problem of oscillatory mode indentification. This paper presents some results on oscillation mode identification applied to a wide-area frequency measurements system. Guidelines for selection of param

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3

Anur, Bektimirov, Parkash Malik Om, Saukhimov Almaz, and Didorenko Eugene. "Identification and damping of low-frequency oscillations based on WAMS data and the revisited residue method – part I." Eastern-European Journal of Enterprise Technologies 2, no. 8(122) (2023): 6–17. https://doi.org/10.15587/1729-4061.2023.275088.

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The results of low-frequency oscillations identification in the Republic of Kazakhstan power grid by using a Wide Area Measurement System are presented and an algorithm for damping low-frequency oscillations is proposed in this paper. Analysis of weakly damped inter-area low-frequency oscillations revealed a constant mode with a frequency range of 0.3‒0.4 Hz. It was determined that at these low-frequency oscillations, the amplitude of active power fluctuations along the transmission line was 150 MW with a duration of 9 minutes. The modal analysis calculation of the Republic of K

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4

Luo, Jianqiang, Siqi Bu, Jiaxin Wen, Qian Hu, Yong Hu, and Qi Wang. "Strong Resonance Investigation and Suppression in PMSG integrated Power Systems." E3S Web of Conferences 152 (2020): 03006. http://dx.doi.org/10.1051/e3sconf/202015203006.

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Permanent magnet synchronous generators (PMSGs) with full converters have been widely used in wind power generation due to its superior flexibility and controllability. However, under some circumstance, the oscillation modes of PMSG (POMs) may excite strong resonance with the electromechanical oscillation modes (EOMs) of the power system that degrades the power system small signal stability. In this paper, A two-open-loop subsystem model is firstly derived to analyze the oscillation modes. Then the POMs are investigated with modal analysis, the relationship between POMs and related controllers

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5

Klimov, A. V. "Algorithm performance study pulse suppression of auto-oscillation phenomena in the electromechanical system of the electric traction drive in braking mode electric traction drive system in braking mode by methods of simulation modeling." Russian Automobile and Highway Industry Journal 21, no. 6 (2025): 914–30. https://doi.org/10.26518/2071-7296-2024-21-6-914-930.

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Research relevance. Modes accompanied by increased sliding of a wheel with negative viscous friction, characterized by reduction of friction force at growth of sliding speed, can arise at the movement of the vehicle. In these cases, a loss of stability may occur, resulting in the excitation of auto-oscillation phenomena in the electromechanical system (road-wheel-mechanical drive-electric motor). The emergence of this process sharply increases the dynamic load of the system, which can lead to its failure or breakdown. As a consequence, the development of suppression methods of auto-oscillation

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6

Niamul Islam, Naz, M. A. Hannan, Hussain Shareef, Azah Mohamed, and M. A. Salam. "Comparative Study of Popular Objective Functions for Damping Power System Oscillations in Multimachine System." Scientific World Journal 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/549094.

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Power oscillation damping controller is designed in linearized model with heuristic optimization techniques. Selection of the objective function is very crucial for damping controller design by optimization algorithms. In this research, comparative analysis has been carried out to evaluate the effectiveness of popular objective functions used in power system oscillation damping. Two-stage lead-lag damping controller by means of power system stabilizers is optimized using differential search algorithm for different objective functions. Linearized model simulations are performed to compare the d

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7

Klimov, Aleksander V., Baurzhan K. Ospanbekov, Akop V. Antonyan, et al. "Detecting Wheel Slip to Suppress Self-Excited Oscillations in Braking Mode." World Electric Vehicle Journal 15, no. 8 (2024): 340. http://dx.doi.org/10.3390/wevj15080340.

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The wheels of decelerating vehicles in braking mode roll with increased slip, up to complete lock-up, which is a negative phenomenon. This is effectively managed by the anti-lock braking system (ABS). However, in the course of braking, especially before the system activation, self-excited oscillatory processes with high amplitudes may occur, causing increased dynamic loads on the drive system. The paper studies the braking processes of a vehicle with an electromechanical individual traction drive in both electrodynamic regenerative and combined braking modes, utilizing the drive and the primar

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8

Yang, Deyou, Tao Zhang, Guowei Cai, Bo Wang, and Zhenglong Sun. "Synchrophasor-Based Dominant Electromechanical Oscillation Modes Extraction Using OpDMD Considering Measurement Noise." IEEE Systems Journal 13, no. 3 (2019): 3185–93. http://dx.doi.org/10.1109/jsyst.2019.2900063.

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9

Jiang, Tao, Linquan Bai, Xue Li, Guoqing Li, Hongjie Jia, and Fangxing Li. "Estimating electromechanical oscillation modes from synchrophasor measurements in China Southern Power Grid." Electric Power Systems Research 161 (August 2018): 212–23. http://dx.doi.org/10.1016/j.epsr.2018.04.015.

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10

Jiang, Tao, Xue Li, Haoyu Yuan, Hongjie Jia, and Fangxing Li. "Estimating electromechanical oscillation modes from synchrophasor measurements in bulk power grids using FSSI." IET Generation, Transmission & Distribution 12, no. 10 (2018): 2347–58. http://dx.doi.org/10.1049/iet-gtd.2017.1492.

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11

Du, Z., W. Liu, and W. Fang. "Calculation of electromechanical oscillation modes in large power systems using Jacobi-Davidson method." IEE Proceedings - Generation, Transmission and Distribution 152, no. 6 (2005): 913. http://dx.doi.org/10.1049/ip-gtd:20050006.

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12

Molina Pineda, Sergio Uriel, and Marcos Alfredo Hernández Ortega. "Obtaining the Linear Model of a Wind Farm using the Recursive Linearization." Ciencia y Frontera 2, no. 2 (2024): 43–62. https://doi.org/10.61865/j.cyfsld.2024.t4f7-475v.

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The electricity generation by means of renewable energy sources has experienced a great development in the few past decades. However, its inclusion may bring some consequences on the conventional electric power systems behavior. Therefore, it is of great importance to have adequate models that allow the evaluation of such effects. Particularly, the linear models are often used for stability analysis and for controller design. There exist many models and configurations that can be used in the wind farms; for the present research, doubly-fed induction generators (DFIG) are considered. In this wo

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13

Miao, Xiao Gang, Bu Han Zhang, Zhong Cheng Li, et al. "Coordinative Optimal Design for PSS and Auxiliary Damping Controller on SVC under Multi-Operating Conditions." Advanced Materials Research 732-733 (August 2013): 823–29. http://dx.doi.org/10.4028/www.scientific.net/amr.732-733.823.

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Based on power system stabilizer (PSS) and the damping controller of flexible AC transmission system (FACTS),a problem of optimal design is researched by the example of static var compensator (SVC). Minimum damp ratio of system electromechanical oscillation modes eigenvalue in the weak damping operation condition is selected as the object function. Parameters of damping controllers are optimized by the algorithm which is combined by genetic algorithm (GA) and back propagation (BP) neural network based on adaboost (Ada-BP). Simulation shows the optimized damping controllers can restrain the low

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14

Du, Wenjuan, Xiao Chen, and Haifeng Wang. "DFIG Oscillation Modes Causing Strong Dynamic Interactions to Degrade the Damping of Power System Low-Frequency Electromechanical Oscillations." Electric Power Components and Systems 47, no. 3 (2019): 288–300. http://dx.doi.org/10.1080/15325008.2019.1577930.

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15

Du, Wenjuan, Xiao Chen, and Hai Feng Wang. "Impact of Dynamic Interactions Introduced by the DFIGs on Power System Electromechanical Oscillation Modes." IEEE Transactions on Power Systems 32, no. 6 (2017): 4954–67. http://dx.doi.org/10.1109/tpwrs.2017.2684463.

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16

Netto, Marcos, and Lamine Mili. "Robust Data Filtering for Estimating Electromechanical Modes of Oscillation via the Multichannel Prony Method." IEEE Transactions on Power Systems 33, no. 4 (2018): 4134–43. http://dx.doi.org/10.1109/tpwrs.2017.2775063.

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17

Jorge, Guillermo Calderón-Guizar, Ramírez-González Miguel, and Castellanos-Bustamante Rafael. "Identification of low frequency oscillation modes in large transmission systems." Revista Facultad de Ingeniería –redin-, no. 82 (March 16, 2017): 31–39. https://doi.org/10.17533/udea.redin.n82a04.

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There is a typical dynamical performance associated with every system. Oscillations are phenomena inherent to dynamical systems and the analysis of such phenomena is a fundamental issue for understanding the dynamical behavior of a particular system. Knowledge of the system natural modes, frequencies and its associated dampingratio, provide valuable information regarding the system performance after being subjected to a disturbance. Due to the operational requirements, topological changes in the transmission network of the electrical power systems are quite common. This causes modification in

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18

Du, Wenjuan, Xiao Chen, and Haifeng Wang. "PLL-Induced Modal Resonance of Grid-Connected PMSGs With the Power System Electromechanical Oscillation Modes." IEEE Transactions on Sustainable Energy 8, no. 4 (2017): 1581–91. http://dx.doi.org/10.1109/tste.2017.2695563.

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19

Bañuelos-Cabral, E. S., J. J. Nuño-Ayón, B. Gustavsen, et al. "Spectral fitting approach to estimate electromechanical oscillation modes and mode shapes by using vector fitting." Electric Power Systems Research 176 (November 2019): 105958. http://dx.doi.org/10.1016/j.epsr.2019.105958.

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20

Guo, Chaoyu, and Yanzhe Li. "Small signal stability analysis of a wind power system integrated with a multi-band supplementary damping controller." Journal of Physics: Conference Series 2831, no. 1 (2024): 012022. http://dx.doi.org/10.1088/1742-6596/2831/1/012022.

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Abstract With the integration of wind turbines represented by doubly-fed induction generators (DFIG) into the power system, the inertia level of the system decreases sharply, and small disturbances can easily cause low-frequency oscillation (LFO) in the system. In this paper, we propose a multi-band supplementary damping controller (MBSDC) directly applied to the active power control link of the rotor-side converter in the wind power generation system. We establish a linearized model for DFIG integrated with the power system, calculate eigenvalues, and screen out multiple electromechanical osc

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21

Gasiyarov, Vadim R., Andrey A. Radionov, Boris M. Loginov, et al. "Method for Defining Parameters of Electromechanical System Model as Part of Digital Twin of Rolling Mill." Journal of Manufacturing and Materials Processing 7, no. 5 (2023): 183. http://dx.doi.org/10.3390/jmmp7050183.

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Creating digital twins of industrial equipment requires the development of adequate virtual models, and the calculation of their parameters is a complex scientific and practical problem. To configure and digitally commission automated drives, two-mass electromechanical system models are used. A promising area in which to implement such models is the development of digital shadows, namely drive position observers. Connecting virtual models for online data exchange predetermines the tightening of requirements for their parameter calculation accuracy. Therefore, developing accessible techniques f

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22

Ebrahim, M. A., and H. S. Ramadan. "Interarea Power System Oscillations Damping via AI-based Referential Integrity Variable-Structure Control." International Journal of Emerging Electric Power Systems 17, no. 5 (2016): 497–509. http://dx.doi.org/10.1515/ijeeps-2016-0147.

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Abstract The design of power system stabilizer (PSS) is load-dependent and needs continuous adjustment at each operating condition. This paper aims at introducing a robust non-fragile PSS for interconnected power systems. The proposed controller has the capability of adaptively tuning online its rule-base through a variable-structure direct adaptive control algorithm in order to rigorously attain the desired objectives. The PSS controller acts on damping the electromechanical modes of oscillations not only through a wide range of operating conditions but also in presence of different disturban

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23

Piccagli, D., M. Barbieri, M. Pozzi, G. Giannuzzi, and R. Zaottini. "Techniques for the Analysis and Optimization of Electromechanical Stability towards Local and Inter-Area Oscillation Modes." IFAC Proceedings Volumes 45, no. 21 (2012): 174–79. http://dx.doi.org/10.3182/20120902-4-fr-2032.00032.

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24

Yu, Bai, and Zhixin Zhang. "Adaptive Configuration Method of Low-Frequency Electromechanical Sampling Information in Building Electrical System." Mathematical Problems in Engineering 2021 (May 20, 2021): 1–8. http://dx.doi.org/10.1155/2021/6624330.

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In order to enhance the reliability of the electrical systems in low frequency, an adaptive configuration method of low-frequency electromechanical sampling information based on thyristor controlled series compensation (TCSC) is designed. The electrical system is simplified to a linear invariant system, and a stochastic subspace identification (SSI) method is established by using the singular value decomposition principle to collect low-frequency electromechanical sampling information. The reference channel technology is introduced to design the reference channel covariance matrix to judge whe

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25

Safari, Amin. "Robust Coordinated Designing of PSS and UPFC Damping Controller." Bulletin of Electrical Engineering and Informatics 2, no. 3 (2013): 194–203. http://dx.doi.org/10.11591/eei.v2i3.204.

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This paper presents the simultaneous coordinated designing of the UPFC robust power oscillation damping controller and the conventional power system stabilizer. On the basis of the linearized Phillips-Herffron model, the coordinated design problem of PSS and UPFC damping controllers over a wide range of loading conditions and system configurations is formulated as an optimization problem with the eigenvalue-based multiobjective function which is solved by a particle swarm optimization algorithm (PSO) that has a strong ability to find the most optimistic results. The stabilizers are tuned to si

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26

Du, Wenjuan, Xiao Chen, and H. F. Wang. "Power System Electromechanical Oscillation Modes as Affected by Dynamic Interactions From Grid-Connected PMSGs for Wind Power Generation." IEEE Transactions on Sustainable Energy 8, no. 3 (2017): 1301–12. http://dx.doi.org/10.1109/tste.2017.2677094.

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27

Du, Wenjuan, Jingtian Bi, Jun Cao, and H. F. Wang. "A Method to Examine the Impact of Grid Connection of the DFIGs on Power System Electromechanical Oscillation Modes." IEEE Transactions on Power Systems 31, no. 5 (2016): 3775–84. http://dx.doi.org/10.1109/tpwrs.2015.2494082.

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28

Kabouris, J., M. Karystianos, B. Nomikos, G. Tsourakis, J. Mantzaris, and N. Sakellaridis. "Power system static and dynamic security studies for the 1st phase of Crete Island Interconnection." Journal of Energy - Energija 67, no. 2 (2022): 33–43. http://dx.doi.org/10.37798/201867278.

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The island of Crete is currently served by an autonomous electrical system being fed by oil-fired (Heavy fuel or light Diesel oil) thermal power plants and renewables (wind and PVs). The peak load and annual electric energy consumption are approximately 600 MW and 3 TWh respectively; wind and photovoltaic parks contribute approximately 20% of the electricity needs of the island. Due to the expensive fuel used, the Cretan power system has very high electric energy generation cost compared to the Greek mainland. On the other side the limited size of the system poses severe limitations to the pen

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29

Nikolaev, Nikolay, Kiril Dimitrov, and Yulian Rangelov. "A Comprehensive Review of Small-Signal Stability and Power Oscillation Damping through Photovoltaic Inverters." Energies 14, no. 21 (2021): 7372. http://dx.doi.org/10.3390/en14217372.

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This paper focuses on the methods that ensure the rotor angle stability of electric power systems, which is most frequently analyzed with small-signal models. Over the past several decades, power system stabilizers (PSSs) for conventional excitation systems were the main tools for improving the small-signal stability of electromechanical oscillatory modes. In the last decade, power oscillation damping (POD) control implemented in photovoltaic (PV) inverters has been considered an alternative to PSSs. As PV generation undergoes massive rollout due to policy directions and renewable energy sourc

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30

Li, Shenghu, Tianyang Fang, Hao Zhang, and Jianqiao Ye. "Damping the electromechanical oscillation modes (EOMs) in DFIG-integrated power systems with sensitivity analysis and optimization to outputs of SGs." International Journal of Electrical Power & Energy Systems 135 (February 2022): 107565. http://dx.doi.org/10.1016/j.ijepes.2021.107565.

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31

Wang, Lixin, Deyou Yang, Guowei Cai, Jin Ma, Jie Tian, and Bo Wang. "Synchronised ambient data-driven electromechanical oscillation modes extraction for interconnected power systems using the output-only observer/Kalman filter identification method." IET Generation, Transmission & Distribution 14, no. 19 (2020): 4000–4009. http://dx.doi.org/10.1049/iet-gtd.2020.0025.

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32

Li, Xue, Hantao Cui, Tao Jiang, Yao Xu, Hongjie Jia, and Fangxing Li. "Multichannel continuous wavelet transform approach to estimate electromechanical oscillation modes, mode shapes and coherent groups from synchrophasors in bulk power grids." International Journal of Electrical Power & Energy Systems 96 (March 2018): 222–37. http://dx.doi.org/10.1016/j.ijepes.2017.09.043.

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33

Poulose, Albert, and Soobae Kim. "Synchronizing Torque-Based Transient Stability Index of a Multimachine Interconnected Power System." Energies 15, no. 9 (2022): 3432. http://dx.doi.org/10.3390/en15093432.

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Newly developed tools and techniques are continuously established to analyze and monitor power systems’ transient stability limits. In this paper, a model-based transient stability index for each generator is proposed from the synchronizing torque contributions of all other connected generators in a multi-machine interconnected power system. It is a new interpretation of the generator’s synchronizing torque coefficient (STC) in terms of electromechanical oscillation modes to consider the synchronizing torque interactions among generators. Thus, the system operator can continuously monitor the

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34

Wanlongo Ndiwulu, Guy, Eduardo Vasquez Mayen, and Emmanuel De Jaeger. "Effect of a Large Proton Exchange Membrane Electrolyser on Power System Small-Signal Angular Stability." Electricity 4, no. 4 (2023): 381–409. http://dx.doi.org/10.3390/electricity4040021.

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The dynamics of electrical systems have changed significantly with the increasing penetration of non-conventional loads such as hydrogen electrolysers. As a result, detailed investigations are required to quantify and characterize these loads’ effects on the dynamic response of interconnected synchronous machines after being subjected to a disturbance. Many studies have focused on the effects of conventional static and dynamic loads. However, the impact of hydrogen electrolysers on the stability of power systems’ rotor angles is rarely studied. This paper assesses the effect of proton exchange

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35

Moraes, Guido R., Bryan A. S. Ambrósio, Juliana L. Pereira, Diego Issicaba, Antonio F. C. Aquino, and Ildemar C. Decker. "Impact analysis of COVID-19 pandemic on the electricity demand, frequency control and electromechanical oscillation modes of the Brazilian Interconnected Power System using low voltage WAMS data." International Journal of Electrical Power & Energy Systems 142 (November 2022): 108266. http://dx.doi.org/10.1016/j.ijepes.2022.108266.

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36

Luo, Jianqiang, Siqi Bu, and Jiebei Zhu. "Transition from Electromechanical Dynamics to Quasi-Electromechanical Dynamics Caused by Participation of Full Converter-Based Wind Power Generation." Energies 13, no. 23 (2020): 6270. http://dx.doi.org/10.3390/en13236270.

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Previous studies generally consider that the full converter-based wind power generation (FCWG) is a “decoupled” power source from the grid, which hardly participates in electromechanical oscillations. However, it was found recently that strong interaction could be induced which might incur severe resonance incidents in the electromechanical dynamic timescale. In this paper, the participation of FCWG in electromechanical dynamics is extensively investigated, and particularly, an unusual transition of the electromechanical oscillation mode (EOM) is uncovered for the first time. The detailed math

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37

Borys, Liubarskyi, Lukashova Natalia, Petrenko Oleksandr, Iakunin Dmytro, Nikonov Oleh, and Matsyi Olha. "Building a mathematical model of the oscillations in subway cars equipped with electromechanical shock absorbers." Eastern-European Journal of Enterprise Technologies 6, no. 7 (108) (2020): 51–59. https://doi.org/10.15587/1729-4061.2020.217183.

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A mathematical model has been built of the subway car on two double-axle bogies with an axial characteristic of 2<sub>0</sub>–2<sub>0</sub>, whose spring suspension’s central link is equipped with springs and electromechanical dampers. A special feature of the model is its integration of such components as 17 differential equations of the second order, which describe the operation of the mechanical part «carriage-rail track», as well as 8 differential equations of the first order that describe the operation of 4 electromechanical shock absorbers. The model is complement

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38

Sabo, Aliyu, Theophilus Ebuka Odoh, Veerapandiyan Veerasamy, and Noor Izzri Abdul Wahab. "Modified Multimachine Power System Design with DFIG-WECS and Damping Controller." Energies 17, no. 8 (2024): 1841. http://dx.doi.org/10.3390/en17081841.

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Rotor angle stability, which involves electromechanical oscillation damping and control, is very important in maintaining the stability of modern power grid systems. Renewable energy sources like wind energy are undergoing massive integration into modern power grid systems to meet energy demands and decarbonize power grid systems of carbon emissions from fossil fuel generators. To enable increased integration of wind renewable energy sources, precise models are needed for research and analytical purposes. Wind renewable energy is generated through a wind energy conversion system (WECS); one su

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39

Duan, Zhi, Hai Bao, Ling Wang, Gang Liu, and Xiao Ming Han. "The Fast Estimation of the Electromechanical Oscillation Frequency." Applied Mechanics and Materials 385-386 (August 2013): 1135–40. http://dx.doi.org/10.4028/www.scientific.net/amm.385-386.1135.

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Analyzing stability of power system mainly relates to the model of machine, which can be simulated by two order and damping coefficient D (D represents mechanical damping and electrical damping), but there is no standard which can illustrate how much the damping coefficient D is. Usually power flow, excitation system, PSS and prime mover system affect the total damping largely, but have little impact on the electromechanical oscillation frequency. Firstly the paper theoretically proves the correctness of calculating electromechanical inherent frequency with system matrix. Secondly considering

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40

Fu, Hailing, Stephanos Theodossiades, Ben Gunn, Imad Abdallah, and Eleni Chatzi. "Ultra-low frequency energy harvesting using bi-stability and rotary-translational motion in a magnet-tethered oscillator." Nonlinear Dynamics 101, no. 4 (2020): 2131–43. http://dx.doi.org/10.1007/s11071-020-05889-9.

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Abstract Harvesting ultra-low frequency random vibration, such as human motion or turbine tower oscillations, has always been a challenge, but could enable many potential self-powered sensing applications. In this paper, a methodology to effectively harness this type of energy is proposed using rotary-translational motion and bi-stability. A sphere rolling magnet is designed to oscillate in a tube with two tethering magnets underneath the rolling path, providing two stable positions for the oscillating magnet. The generated magnetic restoring forces are of periodic form with regard to the sphe

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41

Anarkooli, M. Yousefi, and H. Afrakhteh. "Improvement Model Damping Low Frequency Oscillations Presence UPFC by Cuckoo Optimization Algorithm." Indonesian Journal of Electrical Engineering and Computer Science 3, no. 1 (2016): 67. http://dx.doi.org/10.11591/ijeecs.v3.i1.pp67-79.

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<p>Low frequency oscillation (LFO) is a negative phenomenon repeated for the power system increases the risk of instability. In recent years, power systems stabilizer (PSS) for damping low frequency oscillations is used. With FACTS devices such as integrated power flow controller (UPFC) can control power flow and transient stability increase. So, UPFC low frequency oscillation damping can be used instead of PSS. UPFC through direct control voltage and low frequency oscillation damping can be improved. In this study, a single linear model of synchronous machine connected to an infinite bu

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42

Guo, Chuan, and Albert C. J. Luo. "Nonlinear piezoelectric energy harvesting induced through the Duffing oscillator." Chaos: An Interdisciplinary Journal of Nonlinear Science 32, no. 12 (2022): 123145. http://dx.doi.org/10.1063/5.0123609.

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In this paper, nonlinear piezoelectric energy harvesting induced by a Duffing oscillator is studied, and the bifurcation trees of period-1 motions to chaos for such a piezoelectric energy-harvesting system are obtained analytically. Distributed-parameter electromechanical modeling of a piezoelectric energy harvester is presented first, and the electromechanically coupled circuit equation excited by infinitely many vibration modes is developed. The governing electromechanical equations are reduced to ordinary differential equations in modal coordinates, and eventually an infinite set of algebra

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43

Dedović, Maja Muftić, Samir Avdaković, Adnan Mujezinović, and Nedis Dautbašić. "Comparison of Different Methods for Identification of Dominant Oscillation Mode." B&H Electrical Engineering 14, s1 (2020): 43–50. http://dx.doi.org/10.2478/bhee-2020-0005.

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Abstract This paper introduces and compares the various techniques for identification and analysis of low frequency oscillations in a power system. Inter-area electromechanical oscillations are the focus of this paper. After multiresolution decomposition of characteristic signals, physical characteristics of system oscillations in signal components are identified and presented using the Fourier transform, Prony’s method, Matrix Pencil Analysis Method, S-transform, Global Wavelet Spectrum and Hilbert Huang transform (Hilbert Marginal Spectrum) in time-frequency domain representation. The analys

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Banga-Banga, Tswa-wen Pierre-Patrick, Carl Kriger, and Yohan Darcy Mfoumboulou. "Decentralized Model-Reference Adaptive Control Based Algorithm for Power Systems Inter-Area Oscillation Damping." Energies 15, no. 22 (2022): 8762. http://dx.doi.org/10.3390/en15228762.

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Being the primary cause of inter-area oscillations and due to the fact that they limit the generation’s output, Low-Frequency Electromechanical Oscillations (LFEOs) represent a real threat to power system networks. Mitigating their effects is therefore crucial as it may lead to system collapse if not properly damped. As rotor angle instability is the primary cause of LFEOs, this paper presents a novel Model-Reference Adaptive Control (MRAC) scheme that enhances its stability. The proposed scheme is tested using the Single-Machine Infinite Bus (SMIB) network. The results obtained validate the p

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Yang, Bo, Guanjun Li, Wencheng Tang, Anping Hu, Donghui Zhang, and Yongbin Wu. "Energy Storage System Controller Design for Suppressing Electromechanical Oscillation of Power Systems." Applied Sciences 9, no. 7 (2019): 1329. http://dx.doi.org/10.3390/app9071329.

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Through the feedback of the rotor speed and/or the grid frequency, an energy storage system (ESS) can effectively suppress the electromechanical oscillation of a power system. This paper proposes a novel control strategy and controller parameter design method for ESSs to achieve the desired performance of oscillation suppression, including smaller frequency and rate of change of frequency (ROCOF) deviation than their threshold values. Firstly, a dynamic model of the electromechanical time scale of a synchronous generator dominated power system with ESS was established. Then, based on the dynam

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Arzeha, Nurul Aziah, Mohd Wazir Mustafa, and Rasyidah Mohamed Idris. "Lead Lag Controller of TCSC Optimized by Bees Algorithm for Damping Low Frequency Oscillation Enhancement in SMIB." Applied Mechanics and Materials 781 (August 2015): 374–78. http://dx.doi.org/10.4028/www.scientific.net/amm.781.374.

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Power system is often vulnerable to low frequency electromechanical oscillations due to the interconnected configuration. A common lead-lag controller is used for one of the FACTS devices known as Thyristor Controlled Series Compensator (TCSC) as supplementary controller for damping purpose in order to improve transient stability and power oscillation damping of the system. As Bees Algorithm (BA) optimized the parameters of the TCSC lead-lag controller, thus its named is TCSC-BALL. In this study, the optimization problem is formulated as a constrained optimization with the main objective is to

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Wang, Guang-Qing, and Wei-Hsin Liao. "A bistable piezoelectric oscillator with an elastic magnifier for energy harvesting enhancement." Journal of Intelligent Material Systems and Structures 28, no. 3 (2016): 392–407. http://dx.doi.org/10.1177/1045389x16657419.

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Bistable oscillator has been recognized as an effective means by which to improve the linear resonant energy harvesting performance for its unique double-well restoring force potential. As oscillating in a high-energy orbit, the oscillator should be located at a distance from one stable to the other with a much higher velocity or acceleration. However, the vibration level in environment would be too low to provide the oscillator with a larger velocity to overcome the potential well barrier. This article is focused on the enhancement of a bistable piezoelectric oscillator with an elastic magnif

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Follum, Jim, John W. Pierre, and Russell Martin. "Simultaneous Estimation of Electromechanical Modes and Forced Oscillations." IEEE Transactions on Power Systems 32, no. 5 (2017): 3958–67. http://dx.doi.org/10.1109/tpwrs.2016.2633227.

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Deckmann, S. M., and V. F. da Costa. "A power sensitivity model for electromechanical oscillation studies." IEEE Transactions on Power Systems 9, no. 2 (1994): 965–71. http://dx.doi.org/10.1109/59.317649.

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Arredondo, Francisco, Edgardo Castronuovo, Pablo Ledesma, and Zbigniew Leonowicz. "Analysis of Numerical Methods to Include Dynamic Constraints in an Optimal Power Flow Model." Energies 12, no. 5 (2019): 885. http://dx.doi.org/10.3390/en12050885.

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The optimization of the operation of power systems including steady state and dynamic constraints is efficiently solved by Transient Stability Constrained Optimal Power Flow (TSCOPF) models. TSCOPF studies extend well-known optimal power flow models by introducing the electromechanical oscillations of synchronous machines. One of the main approaches in TSCOPF studies includes the discretized differential equations that represent the dynamics of the system in the optimization model. This paper analyzes the impact of different implicit and explicit numerical integration methods on the solution o

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