Results 41 to 50 of about 3,309,056 (196)
International Journal of Electrical Power & Energy SystemsIn this paper, the damping characteristics of the grid-forming permanent magnet synchronous generator (PMSG)-based wind turbine (WT) under different damping controls are investigated considering energy efficiency.
Xiaotian Yuan +4 more
doaj +1 more source
Passiv damping on spacecraft sandwich panels [PDF]
, 2007 For reusable and expendable launch vehicles as well as for other spacecraft structural vibration loads are safety critical design drivers impacting mass and lifetime. Here, the improvement of reliability and safety, the reduction of mass, the extension
Romberg, Oliver +3 more
core
Semi-Active Damping of Mechanical Vibrating Systems Using Variable Stiffness Actuator
Al-Khawarizmi Engineering Journal, 2018 In this research, a variable stiffness actuator is proposed to enhance the damping of the mechanical vibrating system. The frequency response analysis of the vibrating system is dependant in order to analyze and synthesis this semi-active damping, where ...
Yarub Omer Naji Al-Azzawi
doaj
Wide frequency range active damping of LCL-filtered grid-connected converters
The Journal of Engineering, 2019 It can be challenging to guarantee the stability of grids with many converters with LCL filters connected due to the presence of multiple resonances within the system. This paper presents an active damping technique to mitigate multiple resonance effects
Abdelhady Ghanem +5 more
doaj +1 more source
A weighted damping strategy for improving the adaptability of converter to weak grid
Diance yu yibiaoActive damping can significantly improve the adaptability of converter to weak grid, however, when the PCC (point of common coupling) voltage harmonics are used for active damping control, the suppression ability of the system on the background harmonic ...
XU Jia, YANG Shude, ZHANG Xinwen
doaj +1 more source
Passivity Based Damping Design for Grid-Connected Converter With Improved Stability
IEEE Access, 2019 The impedance interactions between weak grid and LCL-filtered converter can bring severe harmonic resonance. Recently, frequency domain passivity theory has been applied to converter damping design.
Huaiyuan Liu +4 more
doaj +1 more source
Semi-Active Damping of Mechanical Vibrating SystemsUsing Variable Stiffness Actuator
Al-Khawarizmi Engineering Journal, 2008 In this research, a variable stiffness actuator is proposed to enhance the damping of the mechanical vibrating system. The frequency response analysis of the vibrating system is dependant in order to analyze and synthesis this semi-active damping, where ...
Yarub Omer Naji Al-Azzawi
doaj
A capacity coordination strategy for converters integrated with active damping functionality
Zhejiang dianliThe active damping device mitigates resonance among multiple converters by creating a virtual resistance. To address the capacity coordination challenge between conventional grid-connected functionality and active damping functionality， an adaptive ...
ZHANG Kejia +4 more
doaj +1 more source
IET Power Electronics, 2021 This paper presents a novel approach to adapt the conventional direct power control (DPC) methods that are applied to ac/dc converters with an inductive capacitive inductive (LCL) filter.
Chuanjin Zhang +5 more
doaj +1 more source
Experimental analysis of damping across joints in metal plates
, 2006 In the current world of engineering, structural vibration problems continue impact the design and construction of a wide range of products. Amid the parameters that determine the dynamic behaviour of a structure the one that takes into account the ...
Cunningham, PR +8 more
core +1 more source