One of the most often mentioned and misunderstood power quality issues we see with commercial, industrial, and power-generating electrical equipment is harmonics. Since it’s impossible to explain the ...

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 ...

In last month’s column, I addressed the question of what harmonics is and why you should care. In this installment of our multi-part series on power quality topics, we’ll move on to how to identify, ...

When a musician strums a guitar, the vibration of the strings creates sound waves that human ears hear as music. When a guitar string is plucked, it moves a certain distance, depending on how hard the ...

The hashtag makes clear that this was a reference to the show Marvel's Agents of S.H.I.E.L.D., which isn't something I watch regularly. It seems that in last week's episode, a particular magic sound ...

Fifty years ago, Keldysh introduced an important idea. Treating both gases and solids on the same footing, he showed that strong-field ionization—valence-band to conduction-band transitions in ...