Zobrazeno 1 - 10
of 1 057
pro vyhledávání: '"self-excitation"'
Autor:
В.М. Шамардіна, К.О. Земцова
Publikováno v:
Праці Інституту електродинаміки Національної академії наук України, Vol 2024, Iss 68, Pp 23-28 (2024)
One of the important challenges of today is to ensure energy efficiency and improve the performance of the most common induction electric drives (IEDs) for production and lifting and handling machines. Increasing the overall control range and stable
Externí odkaz:
https://doaj.org/article/6506e446c63f4b99b6d03b9fd5785b37
Publikováno v:
IEEE Open Journal of Control Systems, Vol 3, Pp 214-224 (2024)
Self-excited systems (SES) arise in numerous applications, such as fluid-structure interaction, combustion, and biochemical systems. In support of system identification and digital control of SES, this paper analyzes discrete-time Lur'e systems with
Externí odkaz:
https://doaj.org/article/2ed6e2582a1c4704add41ceb63f0cc02
Autor:
Yousef Kazemi, Mohammad Mahdi Rezaei
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 2016-2026 (2023)
This paper presents an effective and practical structure to improve voltage and frequency regulation in grid-forming control of self-excited induction generator-based wind energy conversion systems. In the proposed control structure, in addition to a
Externí odkaz:
https://doaj.org/article/59823ab61d6240a0abb2ba26070ce4e1
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 16, Iss 11, Pp 2130-2141 (2023)
The self-excited oscillating cavitation jet nozzle (SEOCJN) serves as a crucial component for converting hydrostatic energy into dynamic pressure energy and ensuring optimal hydraulic and cavitation performance of cavitating jets. Thus, it is of cruc
Externí odkaz:
https://doaj.org/article/0ab81089091f40978bb1d1e3a9b251e3
Publikováno v:
Applied and Computational Mechanics, Vol 17, Iss 1, Pp 35-52 (2023)
The onset and spread of flutter in a turbine blade cascade are numerically studied. Due to the application of the reduced-cascade model consisting of simple elements (springs, rigid bodies, linear dampers) and aeroelastic forces introduced by the ana
Externí odkaz:
https://doaj.org/article/853989d130d74169800bfece37582e66
Autor:
Mohamed Arbi Khlifi, Marwa Ben Slimene
Publikováno v:
IEEE Access, Vol 11, Pp 28791-28799 (2023)
The most widely applied six phase induction generator (SPIG) leads to insufficient frequency regulation ability of power system. A SPIG Combined with appropriate capacitors and a motor, it produces an induction generator that is self-excited. The adv
Externí odkaz:
https://doaj.org/article/33d5516becb94137926cd5c278861603
Autor:
Bakri T., Verhulst F.
Publikováno v:
Applied and Computational Mechanics, Vol 16, Iss 2, Pp 87-100 (2022)
We present a description of the many contacts of A. Tondl with Dutch scientists involving nonlinear dynamics models for mechanics. One of the topics is Neimark-Sacker bifurcation that leads to the presence of families of quasi-periodic solutions that
Externí odkaz:
https://doaj.org/article/a717d54096384b1ead0aa9b4efe79621
Autor:
Wenxia Sima, Xinyu Tang, Potao Sun, Zhenkun Sun, Tao Yuan, Ming Yang, Chun Zhu, Zeyan Shi, Qin Deng
Publikováno v:
Advanced Science, Vol 10, Iss 25, Pp n/a-n/a (2023)
Abstract The development of high‐precision, non‐destructive, and three‐dimensional (3D) in situ imaging of micro‐scale damage inside polymers is extremely challenging. Recent reports suggest that 3D imaging technology based on micro‐CT tech
Externí odkaz:
https://doaj.org/article/25c6ad6598c94a8494fcf8928b21f125
Autor:
Shigeo Yoshida, M. Fekry
Publikováno v:
Energies, Vol 17, Iss 5, p 1030 (2024)
Typical large scale pitch-controlled wind turbines idle their rotors during storm conditions. The design loads of wind turbines are calculated by aeroelastic simulations under various conditions. These include grid loss and failures, which can increa
Externí odkaz:
https://doaj.org/article/e32f01fad45d4bcbbb2d3e8f5342689c
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