Filter output performance, Replacement parts, Factory contacts and tech support – TCI KMG User Manual
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typical waveform at the terminals of a motor located a distance away from the VFD. This waveform
has voltage peaks of 1500 volts or higher due to the voltage spikes caused by the reflected wave
phenomenon.
Figure 6 VFD Output Voltage Waveform
Motor Voltage Waveform
With Reflected Voltage Spikes
Filter Output Performance
Figure 7 shows the voltage waveform at the output of the MotorGuard or at the terminals of a motor
connected to the MotorGuard.
Figure 7
Motor Voltage Waveform
Filtered by the MotorGuard
Replacement Parts
If replacement parts are needed, please contact your TCI representative. To ensure that the
MotorGuard continues to perform to its original specifications, replacement parts should conform to
TCI specifications.
Factory Contacts and Tech Support
For technical support, contact your local TCI distributor or sales representative.
You can contact TCI directly at 800-824-8282. Select "Customer Service" or "Technical Support" and
have your MotorGuard nameplate information available.