by Heinz Bloch, P.E., Editor | Nov 23, 2019 | RAM Tools & Methods, Safety Matters, The Bloch Files, Workforce Issues
While a plant’s efforts in areas related to reliability, availability, and maintenance (RAM) indicate appreciation for equipment assets, who or what beyond the HR department makes it a point to show similar “appreciation” for the site’s human assets? To put it in...
by Howard Penrose, Ph.D., CMRP | Nov 14, 2019 | Electrical Reliability, Motors & Drives, Safety Matters
Power harmonics are power-frequency notches in sinusoidal Voltage or Current that occur due to switching power supplies. In single-phase supplies, such as laptops, lighting, displays, and similar, you have 3rd harmonics. That means, if you have a 60Hz system, the 3rd...
