To this day, the greatest surprise of my life occurred when I was a young student at Berkeley Junior High. At the year-end assembly, unexpectedly, I heard my name called as they announced the recipient of the Seventh Grade Citizenship Award.
The ability of engine-powered generators to start and supply standby power of acceptable frequency and voltage within 10 seconds of a utility outage has made these generators the standby power system of choice for a wide variety of facilities including mission critical.
Reactors for AC drives are available as either AC reactors or DC reactors (DC link chokes). Both serve the same main purpose: to smooth the current flow to the AC drive, and reduce damaging harmonics produced on the power line.
Industry change reveals not just different talents but varying levels of ambition, too.
April 1, 2015
Over time, many if not all employees eventually become comfortable in their work environment. I don’t think this can be helped, be-cause with routine comes contentment.
Critical facility HVAC and indoor air management is not all alike! In doing my homework for writing this column on critical facilities, I have been struck by the precision of IAQ monitoring in data centers.
This month, I am continuing my recent exploration of situations where building systems do not pass their commissioning functional performance tests at the end of construction.
Langendorf Supply Co., a distributor and supplier of HVAC equipment throughout the Midwest, decided it was time to investigate how to make its own space more energy-efficient.