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Components of a regenerative AC drivePOWER FLOW3-phase line(as AFE)(as output)LCL Filter Active Bridge Inverter8% reactorMThe 4Q Driveeliminates typical ACdrive harmonicskeeping THD (totalharmonic distortion)below 4%, withinIEEE519 guidelines4QStand-aloneDriveControlControl75• The INVERTER section is a standard (6) IGBT PWM (pulse width modulated) inverter• The ACTIVE BRIDGE rectifier is a (6) IGBT PWM bi-directional converter• The LCL FILTER is a low-pass design that removes high frequency harmonics• The CONTROL sections provide signals to each bridge
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