Schaffner EMC introduced the ECOsine® Active 200/250/300A, a harmonic filter providing harmonic compensation in real-time for industrial and commercial environments. With a capacity of 300A, operating at 480VAC (+/- 10%), the connection-ready 200/250/300A (three-wire) cabinet models include forced air cooling and internal liquid cooling for the power electronics. The company said filters are capable of supporting large production facilities.
Riello UPS introduces the Master HP UL, a UL® listed, three-phase UPS for 65-250 kVA applications. Built entirely with IGBT and digital signal processing (DSP), the Master HP UL features online double-conversion technology for maximum power supply protection and power quality with a clean sine wave output.
Why was one floor’s laboratory ventilation failing to keep up, when it was even the closest floor to the rooftop fans? Some system sleuthing led two engineers to a fitting conclusion. Read more stories in May Issue 2017.