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The Hantzsch 1,4-dihydropyridines were found to be transforming to the 2,3-dihydropyrroles by photo rearrangement with air under irradiation of LED light (410nm) with high diastereoselectivity (dr>20:1). This reaction includes tandem photo oxidation/rearrangement. The 2,3-dihydropyrroles were obtained in moderate yields with successfully one-pot process starting from aldehydes, ammonium acetate...
The planning, design and operation of HVDC transmission systems require the detailed studies of various options and predictions of the system performance. Real time digital simulation (RTDS) could provide most vivid approach for the studies. Consequently, a tractable HVDC control model is required in the RTDS simulation platform. To implement the similar controls on the RTDS as on practical system,...
This paper presents the build and validation of real time digital simulation (RTDS) model for testing control and protection system of Lingbao back-to-back (BTB) high voltage direct current (HVDC) converter station which links between Northwest China and Central China power network. The build of power circuit model and the design of model parameters associated with actual power system are described...
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