VFD’s Effects on Power Quality:A simple approach to what you need to know.
VFDs Add Efficiency…But Create Power Quality Issues. Adding a VFD to electrically control motor speed increases efficiency by limiting energy consumption and reducing equipment wear. However, VFDs inadvertently create power quality issues in the form of harmonics, which are changes or distortions in the waveforms. There are different types of harmonic distortions on the line and load side of a VFD. Please see MTE’s latest Solutions Profile which provides a simple approach to what you need to know:
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Over the years, we have learned that many people simply do not understand harmonics and the negative effect they can have on a system where Variable Frequency Drives exist.
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