Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Qing Fen Liao"'
Publikováno v:
Advanced Materials Research. :423-426
Adoptingcomposite materials is the most commonly used method for noise control. Thispaper deals with the analysis of the sound absorption property ofcomposite materials. A multilayer composite plate with five layersis analyzed in ANSYS. A Fluid-struc
Publikováno v:
Advanced Materials Research. :906-909
The limitations of both grid-connection control and var optimization for improving the voltage of the distribution network with DGs are pointed out in this paper. Thus, it is proposed that the integration of grid-connection control and var optimizati
Publikováno v:
Applied Mechanics and Materials. :1807-1810
Forced power oscillation in power systems has a serious influence to the safe and stable operation of power systems. A fast dynamic sample entropy algorithm is proposed based on sample entropy in this paper. The change of dynamic sample entropy of th
Publikováno v:
Advanced Materials Research. :571-575
The model of transformer as a noise source is very critical for substation noise prediction. The transformer is equivalent to several point sources on the basis of regarding the transformer as a combination of several planar sources. This equivalent
Publikováno v:
Applied Mechanics and Materials. 577:536-540
Out-of-step splitting is an emergency strategy to trigger splitting devices to separate power systems into several sub-regions through capturing oscillation center before the collapse of the system. How to position the oscillation center rapidly and
Publikováno v:
Applied Mechanics and Materials. 577:598-602
Optimal controlled islanding strategy searching is a complex combinational optimization problem. Artificial fish swarm algorithm (AFSA) based on the simulation of fish swarm is an intelligent meta-heuristics. In this paper, AFSA is applied to the sea
Publikováno v:
Applied Mechanics and Materials. 577:974-977
Optimal controlled splitting is an emergency strategy to split the power system into several sub-regions based on global electrical information before the collapse of the system which is subject to severe disturbances. How to seek the optimal splitti
Publikováno v:
Applied Mechanics and Materials. :1313-1319
In this paper, according to the splitting criterion ucosφ, the effectiveness and boundedness of the improvement method is studied. As the oscillation center may be an isolated dot or exists in a section of the splitting, this paper has proposed the
Publikováno v:
Applied Mechanics and Materials. :469-476
The empirical mode decomposition (EMD) is a good time-frequency analysis method, which can deal with nonlinear and non-stationary signals. Aiming at improving modal aliasing problem brought by the traditional EMD, white noise is introduced into the i
Publikováno v:
Applied Mechanics and Materials. :1080-1085
The construction and development of power system have made our country form interconnected power grid. When oscillates occurs without timely disconnected control, accident may spread which will cause stability damage and uncontrollable chain reaction