CUMARK Frequency Inverter (VFD)

CUMARK Frequency Inverter (VFD)

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Mainly this means “gunk” made up of dust combined with typical plant air which usually contains oil, moisture, and metallic particles. This buildup is probably the number one cause of VFD failure! And it's not the actual dirt itself. It's that the dirt/dust buildup attracts moisture and prevents good airflow.

A frequency inverter is an electronic device that enables the conversion of an electrical variable 'current'. In this case, the frequency inverter transforms an AC with a certain (fixed) frequency into a voltage with variable amplitude and frequency. In short, this results in a voltage conversion.