Learning Center

Variable Frequency Drive Harmonic Mitigation

By Craig Hartman on 20th Mar 2014

Table of Contents Background of Harmonics IEEE 519 - Recommended Practices for Harmonic Control Effects of Harmonics Types of Harmonic Mitigation Equipment Harmonic Mitigation Cost Measurement Considerations Re …

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How to Read a Motor Nameplate

By Paul Rossiter on 20th Mar 2014

Below is a sample nameplate. You can click on the links in the nameplate to learn more. CT:VT: MODEL NO./SERIAL NO. HZ LOW VOLTAGE …

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How to Perform Basic VFD Programming (Video)

By Craig Hartman on 20th Mar 2014

Video TranscriptIn this segment we are going to show you how to use the basic 7 parameters to set up the Mitsubishi FR-PU07-01 advanced parameter keypad.As you look at the top row of this keypad there is the “PRSet” ("PrSET" …

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How to Connect a Speed Potentiometer to a VFD (Video)

By Tyler Simmons on 20th Mar 2014

Video TranscriptI’ve got an F700 Mitsubishi here and I am going to show you how to hook up the speed potentiometer – or the speed pot. The camera here is going to show you the two screws on most of the small sizes of drives. …

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Bearing Currents

By Craig Hartman on 20th Mar 2014

Courtesy AegisMotor bearings have a higher failure rate when the motor is run with a VFD. This is due to currents in the motor bearings. The classic solution to this problem is insulated bearings. Insulated bearings insulate the b …

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Benefits of VFDs, Inverters, Drives

By Craig Hartman on 20th Mar 2014

Table of Contents Energy Savings with Variable Speed DrivesVariable Torque Versus Constant TorqueWhy Variable Torque Loads Offer Great Energy SavingsEnergy ConsumptionTighter Process Control with Variable Speed DrivesExtended Equ …

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