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Wyszukujesz frazę "voltage damping" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Designing and Modeling of Control Strategies Based on Multi-Objective Optimization for a PMSG Wind Turbine: A Study Based on the Grid Errors and Wind Speed
Autorzy:
Ganji, Ehsan
Mahdavian, Mehdi
Eshaghpour, Iman
Janghorban, Mojtaba
Powiązania:
https://bibliotekanauki.pl/articles/102412.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
wind turbine
permanent magnet synchronous generator (PMSG)
output stability of the turbine
resistive depletion load
voltage damping
reduction of switching harmonics
turbina wiatrowa
generator synchroniczny z magnesem trwałym (PMSG)
stabilność wyjściowa turbiny
Opis:
In this paper, an independent wind energy conversion system was studied with the control strategies used to provide power specifically to the areas far from the grid. In this research, three strategies are designed and used in order to stabilize the output. This system contains a directed rectifier which is responsible for maximum power point tracking. Additionally, a common DC bus and a fully controlled inverter were designed. An LC filter was also used in the system in order to eliminate switching harmonics to a considerable extent and provide a reliable noiseless source for load supply. Since the power demand and the produced power of the turbine are variable and indistinguishable in each moment, a depletion load is also placed in the system. In this study, it was observed that the designed strategies prove the output stability in different sections and under different conditions with resonators and non-linear PI and PID controllers. The designed strategies were also supported by the simulation results.
Źródło:
Advances in Science and Technology. Research Journal; 2019, 13, 4; 60-69
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of high electrostatic actuation on thermoelastic damping in thin rectangular microplate resonators
Autorzy:
Mohammadi, A. K.
Ali, N. A.
Powiązania:
https://bibliotekanauki.pl/articles/280595.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
microplate resonator
thermoelastic damping
high polarization voltage
Opis:
In this paper, a micro resonator is modeled as a thin rectangular microplate with thermoelastic damping that is actuated electrostatically. Large static deformation due to high polarization voltage is considered, and vibration of microplate occurs around the static de- flection. Due to the effect of thermoelastic damping, the frequency of vibration is a complex value that is used to determine the quality factor of thermoelastic damping. Also, the pull-in voltage is considered because nonlinear properties are more appeared when approaching the polarization voltage to the pull-in voltage.
Źródło:
Journal of Theoretical and Applied Mechanics; 2015, 53, 2; 317-329
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Subsynchronous oscillation and its mitigation of VSC-MTDC with doubly-fed induction generator-based wind farm integration
Autorzy:
Su, Miaohong
Dong, Maiying
Liu, Kaiqi
Zou, Weiwei
Powiązania:
https://bibliotekanauki.pl/articles/1841370.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
doubly-fed induction generator
eigenvalue analysis
multi-channel variable-parameter subsynchronous damping controller
subsynchronous oscillation voltage source converter
multi-terminal direct current transmission system
Opis:
Wind power integration through the voltage source converter-based high-voltage direct current (VSC-HVDC) system will be a potential solution for delivering large-scalewind power to the “Three-North Regions” of China. However, the interaction between the doubly-fed induction generator (DFIG) and VSC-HVDC system may cause the risk of subsynchronous oscillation (SSO). This paper establishes a small-signal model of the VSC based multi-terminal direct current (VSC-MTDC) system with new energy access for the problem, and the influencing factors causing SSO are analyzed based on the eigen valueanalysis method. The theoretical analysis results show that the SSO in the system is related to the wind farm operating conditions, the rotor-side controller (RSC) of the DFIG and the interaction of the controller in the VSC-MTDC system. Then, the phase lag characteristicis obtained based on the signal test method, and a multi-channel variable-parameter subsynchronous damping controller (SSDC) is designed via selecting reasonable parameters.Finally, the correctness of the theoretical analysis and the effectiveness of the multi-channelvariable-parameter SSDC are verified based on time-domain simulation.
Źródło:
Archives of Electrical Engineering; 2021, 70, 1; 53-72
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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