The new lineup of Sine wave filters from Schaffner EMC eliminate premature motor damage caused by high dv/dt, overvoltages, cable ringing, motor overheating and eddy current losses caused by variable frequency drives (VFD). Suitable for motor frequencies up to 600 Hz, this proven technology converts the rectangular PWM output voltage of motor drives into a smooth sine wave with low residual ripple. In addition to elongating service life of expensive high speed motors, Schaffner sine wave filters can improve bearing life by eliminating circulating bearing currents.
Schaffner EMC, Inc.
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