The presence of Li, in a molar ratio of 1:1, promoted mainly the hydroformylation reaction and the n-aldehyde formation rate on the Li-containing sample was six times higher than the non-promoted counterpart (TOFRh/Li = 462 h−1 vs. TOFRh = 69.6 h−1) and also the selectivity ...
The compact fiber-optic probe shown in Figure 19 has extremely short response and recovery times. Fast temporal characteristics arise from the combination of hydrophilic coating, thin coating and circular geometry. The probe is flexible and compact, which lends itself to applications involving space-...
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Switching power losses were also alleviated by reducing the number of switching times for power switches. The operation principle of the proposed inverter was described. A control scheme was suggested for regulating the DC-link voltage and the grid current. A 1.0 kW prototype inverter was designed...
applied sciences Article Hybrid Modulation Strategy to Eliminate Current Distortion for PV Grid-Tied H6 Inverter Tao Yang 1,* , Xiaoxiao Hao 2, Ruoxu He 1, Zhen Wei 1, Tao Huang 1 and Yuzhi Zhang 3 1 WANMA Group, Hangzhou 310000, China; heruoxu@wanmagroup.com (R.H.); weizhen@wanma...
During winter, in the area of study, waves carry considerably more energy than in summer (3 to 4 times more; Figure 8a), and this energy is mostly concentrated in the swell (low-frequency) part of the wave spectra (Figure 8c). In DJF, swell waves reaching the coasts of Iberia and ...
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We showed that detection times depend on the topology of the neural network. Not all kinds of current sensor faults can be detected in the vector controlled induction motor drive system. The most dangerous fault was always detected for different drive operation values over a wide range of ...