Danfoss Drives now offers a combined frequency converter and motor which gives users countless new possibilities. The whole thing started with an assignment: Design a combined frequency converter and motor, build in RFI filters, make it as robust as a motor and as intelligent as a frequency converter, and do not let the drive electronics take up more space than a standard motor terminal box.

The article describes the process of developing the new VLT DriveMotor FCM 300 series with the object of combining all the benefits of a frequency converter with a highly efficient asynchronous motor in one unique compact package.

Electrical Drives and Controls

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