Screened Flat Cables: Equivalent Alternatives to Nexans RHEYFLAT®-CP (Shielded) for VFD-Driven Hoist Motors
Variable Frequency Drives (VFDs) have become the standard method for controlling hoist and crane motors in modern industrial environments, replacing older two-speed winding and contactor-based systems. VFD-controlled motors deliver smoother acceleration and deceleration, precise multi-speed operation, and significant energy savings — but they also impose unique electrical stresses on the cables connecting the drive to the motor. High-frequency switching transients, voltage spikes caused by IGBT commutation, and elevated electromagnetic interference (EMI) all demand cables specifically engineered for the environment. （变频器已成为现代工业起重电机控制的标准方式，取代了传统的双速绕组和接触器系统。变频电机带来更平稳的启停控制，但也对连接电缆提出了独特的电气要求。）