Harmonic is one of the most important concepts on the power system that cannot be neglected since it can affect the power quality and operation of equipment. High levels of Harmonics in the system may ...

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 ...

Historically, typical loads of commercial power systems have been predominately linear; however, in the last few decades, a significant portion of these loads has changed to the nonlinear variety. One ...