If you're installing a variable-frequency drive (VFD) or uninterruptible power supply (UPS) — or if you already have this equipment in place — you should be monitoring certain power quality parameters ...

A VFD reports a low-volts fault when the drive's dc link voltage drops below 62% of the nominal level for the high setting (480 Vac) and 50% of nominal for the low setting (400 Vac). The +10% and -15% ...

Variable frequency drives (VFDs) offer many benefits to reduce energy costs and extend the life of mechanical equipment essential for consistent building comfort. VFDs allow HVAC system fan and pump ...

The Hudson Volunteer Fire Department has upgraded its firefighting equipment after years of using outdated hoses and nozzles ...

CERES, Va. (WVVA) - On Saturday, around 12:45pm, the Ceres Volunteer Fire Department responded to a single-engine plane crash on West Bluegrass Trail. Both occupants had self-extracted from the ...

Have you heard the saying “the problem is the solution”? It seems to originate in the permaculture movement, but it can apply equally well to electronics. Take the problem [shiura] ...

An 11-year-old called 911 on January 5 to report an air fryer cooker was on fire in their kitchen. Dallas Bay Volunteer Fire ...