A PQ expert can link an abnormal current or voltage waveform to an abnormal condition on a power system just as a handwriting expert matches a signature to a person. Many facilities now have online ...

Partial discharge (PD) is the name given to the partial breakdown of the electrical insulation in high voltage (HV) switchgear and cables. This is a destructive process and, if unchecked, it will ...

When fully utilized, condition monitoring can transform how power plants operate and maintain their assets. It can lead to increased efficiency, reduced maintenance costs, improved safety, and better ...

Editor's note: This article was first featured in the February 2003 issue of EC&M. It has been updated to reflect newer power quality instruments and updated standards. Today, many facilities have ...