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Mike: Nearly every analog instrument uses the 4-20 mA loop. Field transmitters, positioners, and variable frequency drives ...

One headline example in 2025 is Baker Hughes’ supercritical carbon dioxide (sCO 2) turboexpander, now in final assembly for ...

The diversification of power system operation modes raises the necessity of incorporating dynamic characteristics into steady-state operation. Small-signal stability is a representative issue. Though, ...

Abstract: The author comments on the paper by T. Petru et al. (see ibid., vol.17, p.1132-9, 2002). The comments relate to the static power curve, voltage flicker, and the lack of a block diagram or a ...