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Why did TCI name the KMG filter “MotorGuard”?

TCI designed and developed the sine wave filter to correspond with the industry’s demand for a High Performance Output Filter. This filter must improve the power quality and greatly reduce the effects of dv/dt on motor applications. The term “MotorGuard” signifies the function of guarding the motor from damaging voltage distortion that has been known to cause premature motor failure.