A linear control variable yields a uniform surge margin across the full operating range and simplifies both closed-loop and ...

PID loops are a central component of modulating boiler control systems with applications ranging from basic steam header pressure control to cascading 3-element drum level control. A modern ...

Learning the basics can ease loop tuning frustration and ensure stability. During plant operations, it seems that tuning control loops is an ongoing task, which can be a continual frustration to ...

Some operators think so, observes Terry Blevins, principal technologist with Austin, Texas-headquartered Emerson Process Management’s (www.emersonprocess.com) DeltaV Product Engineering group.

Among all power factor correction (PFC) topologies, totem-pole bridgeless PFC provides the best efficiency; therefore, it is widely used in servers and data centers. However, closing the current ...