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Load recovery is an important part of network reconfiguration that aims at reconfiguring a stable skeleton network and recovering electrical supply as quickly as possible following a blackout. Considering the load recovery strategy may affect a strategic decision for generator start-up and restoration path selection, it is necessary to comprehensively deal with above three aspects simultaneously,...
This paper describes the high frequency behaviour of an Electric Nacelle Anti Ice system (ENAI). In the high frequency range above 150kHz, conducted emissions have to be considered. A silicon-controlled rectifier (SCR) is the main source for conducted emissions. Simulation and measurements are implemented on the ENAI system for comparison and verification. Simulations were verified by measurements...
In order to protect Chinese ancient buildings, an ancient wooden building is taken as an example to study its progressive collapse under vertical transient loads. By LS-DYNA program simulation model of the ancient building is built. Then a structure member is considered inactive and failure loads in vertical direction are applied to the inactivation point to make the structure collapse. During the...
Chinese ancient buildings are mainly made of wood. For thousands of years they have experienced sorts of earthquakes but remain intact. In this paper, we took Ying-Hua Palace in the Forbidden City in China as an example. By simulation methods we carried out analysis on dynamic character as well as a seismic capacity of the building. By introducing 2-node semi-rigid spring elements, we simulated tenon-moritse...
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