All Services Engineering & Architecture Variabel Frequency Drive $15/hr · Starting at $600 Variable Frequency Drive VFD is some sort of a controller circuit to control the speed of an induction motor. It uses the algorithm of PWM for frequency variation to control the speed of induction motor. About $15/hr · Ongoing Download Resume Variable Frequency Drive VFD is some sort of a controller circuit to control the speed of an induction motor. It uses the algorithm of PWM for frequency variation to control the speed of induction motor. Skills & Expertise Circuit AnalysisCircuit DesignCircuit LayoutControl SystemControllerDigital Circuit DesignElectricalElectronic DesignElectronicsFPGAMATLABMicrocontrollerMs ExcelMs PowerpointMs WordOrCADPower Electronics DesignPower SuppliesXilinx 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Digital Circuit DesignersMATLAB ProgrammersElectronics EngineersFPGA DevelopersMicrocontroller ProgrammersCircuit Designers