Zobrazeno 1 - 10
of 357
pro vyhledávání: '"oscillation suppression"'
Publikováno v:
Industrial Robot: the international journal of robotics research and application, 2024, Vol. 51, Issue 4, pp. 582-594.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/IR-11-2023-0294
Publikováno v:
Case Studies in Thermal Engineering, Vol 60, Iss , Pp 104620- (2024)
The numerical simulation method was used to study the mutual influence of flow field disturbance, vortex change, flame structure change, heat release pulsation, and pressure pulsation on the coupling mechanism and suppression characteristics of self-
Externí odkaz:
https://doaj.org/article/c6593b2ab26d4989babe34d4f948f691
Autor:
Francois P. du Toit, Ivan W. Hofsajer
Publikováno v:
IEEE Open Journal of Power Electronics, Vol 5, Pp 1671-1683 (2024)
Wide Bandgap devices are becoming more popular because of their higher switching performance. However, this higher performance comes at the cost of increased susceptibility to parasitic effects and leads to problems such as voltage overshoot and ring
Externí odkaz:
https://doaj.org/article/d1a907b6ae59456683b803f362d35f8c
Autor:
Francois P. Du Toit, Ivan W. Hofsajer
Publikováno v:
IEEE Access, Vol 12, Pp 38646-38663 (2024)
Recent advances in semiconductor technology have paved the way for ultra-fast switching capabilities. This increase in switching speed enhances efficiency, power density, and frequency but also increases overvoltage oscillations at the switching node
Externí odkaz:
https://doaj.org/article/c674441477ff4393a8394dd61ecd0af0
Autor:
Lifeng Qiu, Miaosong Gu, Zhongjiang Chen, Zhendong Du, Ligang Zhang, Wenrui Li, Jingyi Huang, Jingyang Fang
Publikováno v:
Energies, Vol 17, Iss 20, p 5230 (2024)
The high penetration of renewable energy sources (RESs) and power electronics devices has led to a continuous decline in power system stability. Due to the instability of grid-following converters (GFLCs) in weak grids, the grid-forming converters (G
Externí odkaz:
https://doaj.org/article/d7a6d09621184ff88889c93912e4a6bc
Publikováno v:
Energies, Vol 17, Iss 18, p 4560 (2024)
Due to the ability to improve the low-inertia characteristics of power systems and offer reliable voltage and frequency support, grid-forming permanent-magnet synchronous-generator wind turbines (PMSG-WTs) based on virtual synchronous-generator (VSG)
Externí odkaz:
https://doaj.org/article/432e035f74054664aa24538f555b99d5
Publikováno v:
Energies, Vol 17, Iss 18, p 4563 (2024)
The dual three-phase permanent magnet synchronous motor (DTP-PMSM) under a V/f control framework is widely applied in belts, fans, pumps, etc. However, the oscillation in power and rotor speed is difficult to quantify and suppress, due to the higher-
Externí odkaz:
https://doaj.org/article/b26fccddbaad4e70a0ffb02ce70ce8e5
Publikováno v:
Kongzhi Yu Xinxi Jishu, Iss 5, Pp 75-82 (2023)
Under light-load and low-speed conditions, the V/F open-loop control of induction motors triggers continuous oscillation, causing motor speed fluctuations, loss of control, and even motor overcurrent, potentially causing damage to the power module in
Externí odkaz:
https://doaj.org/article/5572e00580e34c87ad7b8c57aa3d893a
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 323-331 (2023)
Under certain working conditions, the permanent magnet synchronous motor (PMSM) traction system of urban rail transit shows negative impedance characteristics, which is easy to cause voltage resonance of DC-link and lead to instability of the system.
Externí odkaz:
https://doaj.org/article/97c485aa54d947a98df6084ca25fa166
Publikováno v:
Entropy, Vol 26, Iss 8, p 689 (2024)
With the integration of large-scale wind power into the power grid, the impact on system stability, especially the issue of low-frequency oscillations caused by small disturbances, is becoming increasingly prominent. Therefore, this paper proposes a
Externí odkaz:
https://doaj.org/article/bfc62837934345239b88de8e55aafd24