Technician checks variable frequency drive parameters during preventive maintenance
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What Are Variable Frequency Drives (VFDs)?

Estimated reading time: 7 minutes Industrial operations depend on electric motors for almost every moving part on the plant floor. Nevertheless, many of those motors still run at a single, inefficient speed while operators throttle flow…
Technician inspecting VFD control wiring
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VFD Won’t Start? Fix Control Wiring Errors Fast

Estimated reading time: 6 minutes Understanding Why Your VFD Won’t Start Nothing frustrates a maintenance crew faster than pressing the start button and watching the motor sit idle. If your VFD won’t start, the culprit is usually…

Nema Cabinet Ratings: Protecting a VFD from environmental conditions

Nema cabinet ratings are designed to protect electrical components from environment-specific threatening conditions. Nema cabinet ratings are made for a range of different environmental conditions. There are as many Nema cabinet ratings available…
VFD Drives For Dummies

VFD Drives For Dummies

VFD Drives For Dummies: VFD is an abbreviation that stands for "variable frequency drives". VFD Drives are also called "variable speed drives", "adjustable speed drives", "electric motor speed controllers", and "inverters". VFD Drives For Dummies:…
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VFD Device

A VFD device is also known as Variable Frequency Drive, variable speed drive, adjustable speed drive, electronic motor controller, or an inverter. A VFD device is a solid state electric motor control system designed to control the speed of…
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How Do VFDs Work

How Do VFDs Work? A variable frequency drive is also known as a VFD, variable speed drive, adjustable speed drive, electronic motor controller, or an inverter.  How do VFDs work? Every VFD is unique with its own component characteristics so…
The SMVector Series drive is one of the most cost effective and versatile choices for controlling your motors start and stop method.
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6 Step Basic Setup Of An SMV Variable Frequency Drive

The SMVector Variable Frequency Drive is our product of choice for the majority of customer's applications. There are a number of factors that make us consider it the best option in the market today. One reason it that it's extremely cost…
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Preventive Maintenance VFD

A VFD (variable frequency drive) controls the speed, torque and direction of an induction motor. A VFD takes fixed motor voltage and AC frequency and converts it to a variable voltage and frequency AC output.  In very small VFDs, a single power…

What is a Variable Speed Drive?

Variable speed drives are also known as variable frequency drives, VFD's, adjustable speed drives,  and inverters. Variable speed drives are solid state motor control systems used mainly for industrial manufacturing. Variable speed drives are…

Reading VFD Nameplate Data Off Of Your SMVector Drive (Video)

For those of you who are familiar or unfamiliar with Lenze / AC Techs SMVector series drive they have come a long way since their conception. All AC Tech products are manufactured in Uxbridge Massachusettes. Today we discuss how to read the…

Lenze EtherNet/IP for SMVector

Lenze-AC Tech announces the release of EtherNet/IP as an optional communication protocol for the SMVector Drive. According to Mike Bailey, Product Sales Manager at Lenze-AC Tech, the SMVector AC Drive can seamlessly operate on an EtherNet/IP…

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