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This document discusses how long motor leads connected to a variable frequency drive (VFD) can cause issues like voltage overshoot and insulation deterioration in the motor. It provides explanations of the phenomena of reflected waves and voltage overshoot in long leads and how the fast switching speeds of modern VFD components can exacerbate this problem. Solutions discussed include using inverter duty motors, adding an output reactor to the VFD, or a reactor at the motor input to reduce voltage stresses o

Author

Mohammed Shareef Shaikh

Language

EN