نتایج جستجو برای: very fast transient vft
تعداد نتایج: 986593 فیلتر نتایج به سال:
Distributed generation (DG) will play an important role in future power generation systems, especially in stand-alone applications. Three phase four-leg inverter is a well-known topology which can be used as an interface power converter for DGs. Thanks to the fourth leg to provide the neutral path, the four-leg inverter is able to supply balanced loads as well as unbalanced loads. In this paper...
BACKGROUND The modern classroom is an inherently sedentary environment. Virtual Field Trips (VFTs) using interactive whiteboards to explore virtual scenes are a potential method of converting sedentary class-time into physically active teaching. This pilot aimed to assess the effects of a developed VFT on physical activity and learning in primary-school children. METHODS Participants (n = 85)...
Abstract The simulation models of the 500kV gas-insulated transmission lines (GIL) and substation (GIS) systems in a realistic nuclear plant are presented paper. Very Fast Transient Overvoltage (VFTO) which is generated during switching operations, analyzed. Some affecting factors on level VFTO investigated. These location power source, entrance capacitance potential transformer (PT), capacitiv...
Hemispatial neglect is a severe cognitive condition frequently observed after a stroke, associated with unawareness of one side of space, disability and poor long-term outcome. Visuomotor feedback training (VFT) is a neglect rehabilitation technique that involves a simple, inexpensive and feasible training of grasping-to-lift rods at the centre. We compared the immediate and long-term effects o...
Deiters' cells are the supporting cells in organ of Corti and are suggested to play an important role in biochemical and mechanical modulation of outer hair cells. We successfully isolated functionally different K(+) currents from Deiters' cells of guinea pig using whole cell patch clamp technique. With high K(+) pipette solution, depolarizing step pulses activated strongly outward rectifying c...
Fast and accurate transient response is the main requirement in electric machine position control. Conventional cascade control structure has sluggish response due to the limitation of inner control loop bandwidth. In this paper, in order to decrease the Permanent Magnet Synchronous Motor (PMSM) transient response time it can be used reference model using feed-forward signals. In this structure...
About 500 years ago, Leonardo da Vinci conducted a haemodynamic study of the sinus of Valsalva in which he deduced and explained formation of a blood flow vortex. Fast forwarding to the present, Gharib et al. used an experimental arrangement of a piston producing a wide range of jets and vortex rings alongside those jets by pushing columns of fluid of length L through an orifice with diameter D...
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