Variable Frequency Drives Cable Selection

Variable frequency drives (VFDs) also known as variable-speed drives or adjustable-speed drives are used to power 3-phase AC electric motors in applications requiring greater control and power efficiency. The benefits …

Phase Sequence of Harmonics

In the article Effects of harmonics on Electrical Equipment, harmonics distort the fundamental frequency of the mains voltage waveform which affects the performance of other electrical equipment and creates additional …