produces standard 60-Hz power and 180-Hz power for "high-cycle" concrete vibrators. According to Multiquip, the unit typically can handle up to three of the company's 2-inch high-cycle vibrator heads, ...

During the heyday of coal-fired power plant construction and operation in the last century, many lessons were learned regarding correct water/steam chemistry control in high-pressure, fossil-fuel ...

Previously-known schemes for RC rectangular pulse generators with a regulated duty cycle had an ineradicable disadvantage: changing the pulse fill factor (D) inevitably changed the frequency of ...