VFDs Reduce Energy Costs Up To 60% Using an Industrial Drive

A properly applied Variable Frequency Drive (VFD) will significantly reduce operating costs.  This is particularly true for variable torque loads such as: Fans Blowers Pumps Blowers, for example, are often used with dampers to control…

FAQ :: VFDs | How Do I Test The IGBT Power Section On My Drive?

One of the more common problems seen in our Variable Frequency Drive (VFD) repair division is the failure of the IGBT (Insulated Gate Bi-polar Transistor) power section modules. If the Variable Frequency Drive (VFD) is blowing fuses,…

FAQ :: VFDs | How Can I Troubleshoot A Variable Frequency Drive On A Network?

Engineering technicians have many nightmare stories when it comes to on-site troubleshooting.  In this instance, I was called to help troubleshoot a Closed Loop (Sensorless Vector) Variable Frequency Drive (VFD) on a production line that…

FAQ :: VFDs | How Do I Derate Three Phase Inputs For Single Phase Applications?

Often times those using a Variable Frequency Drive (VFD) may find themselves needing to connect a higher horsepower VFD to a single phase input power source.  Since most higher horsepower VFDs only accept three phase input as a power…

VFDs How Do I Calculate RPM For Three Phase Induction Motors?

FAQ :: VFDs | How Does A Variable Frequency Drive Work?

An AC Variable Frequency Drive (VFD) is commonly referred to as an “Inverter”. This is because of the way a VFD works.  The following details the inner workings of a VFD: Alternating Current (AC) power is applied to the input…

FAQ :: VFDs | How Do I Pick A Variable Frequency Drive for My Application?

When applying a Variable Frequency Drive (VFD) to a new or existing application there are many factors to consider prior to making a firm decision on what type of Variable Frequency Drive (VFD) should be used. If one already has an existing application…

Contact Us

Call Any Time: 574-256-1000 Or Feel Free To Fill Out The Form Below  

Technical Manuals

Lenze / AC Tech SMVector Drives & Options Product Manuals SMVector Operating Instructions Manual [ pdf ] SV01 Options EPM Programmer Operating Manual [ pdf ] EP01 SMVector Dynamic…

FAQ :: VFDs | What Is A Variable Frequency Drive (VFD)?

Variable Frequency Drives (VFDs) are electronic devices used to control the speed of an Alternating Current Motor (AC Motor).  Variable Frequency Drives (VFDs) are also commonly known as adjustable frequency drives, adjustable speed drives,…