ASHRAE Guideline 36-2021, “High-Performance Sequences of Operation for HVAC Systems,” made a splash in the HVAC design and operations world this year. It is ASHRAE’s first pass at defining the “best” ...
Sometimes less is more. Here, a quarter-step switching logic sequence for stepper motors offers several significant advantages over full-and halfstep modes—higher resolution, smoother drive, minimal ...
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