Machine Design

Selecting Cables For VFD Applications

Sponsored by

Lapp Group

Lapp Group
Variable frequency drives have an Achilles Heel. Even though the VFD itself is protected against damaging electrical conditions, the drive's power cables can fail when subjected to heat or voltage levels greater than their insulating layers can tolerate. Power cables can also be irreparably damaged by heavy mechanical loads or corrosive environmental conditions. Fortunately, it is easy to avoid VFD cable failures--and the ensuing downtime--by paying attention to cable design. This technical paper from Lapp outlines the key design features engineers should consider when picking reliable cables for VFD applications.

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