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Vfd fundamentals copyright 2003 kilowatt classroom
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VFD Fundamentals Copyright 2003 Kilowatt Classroom, LLC.
controltrends.orgVariable Frequency Drive (VFD) Output Module Shown below is a typical Medium Voltage VFD transistorized output module. One of these modules is used for each phase in a three -phase drive. Modules are a complete functional block that may include: multi -stage amplifi-ers, resistors, capacitors and free -wheeling diodes.