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890 AFE – Active Front End:5HP 20HP (@460V)Standard CD Drives withSpecial Input ConnectionAny CD drive can be configuredto run as an AFE• Connects to output via busbar connections ontop of module• Connect LCL Filter and External Pre-chargecircuit big enough for all Drives.• Adds regenerative capability, so no DBresistors are needed.• Has almost unity power factor and veryminimal harmonics.36