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Is the V1K the same as a sine wave filter?

The V1K is a drive output filter that addresses dV/dt. This filter is very effective in this cause and can protect standard and special service electric motors from the damaging affects of dV/dt. The V1K filter, however, does not return the drive output square wave to a sinusoidal waveform and thus is not referred to as a sine wave filter. TCI has designed a specific filter for those applications where extremely low distortion and near perfect sine wave performance is required. For those applications, please refer to the KMG MotorGuard sine wave filter.