Technician performing vfd repair on bench with scope and load motor
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VFD Repair Services – Cut Downtime & Save Costs

Estimated reading time: 4 minutes When a drive fails, every minute of downtime costs real money. This guide shows how VFD repair services restore production fast and protect your bottom line. Why VFD Repair Matters Low‑voltage variable‑frequency…
Technician performs VFD replacement on obsolete drive to restore production quickly
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VFD Replacement Guide: Handling Obsolete Drives & Lead Times

Estimated reading time: 6 minutes Variable frequency drives (VFDs) power fans, pumps, conveyors and mixers across North America. When one trips, production stops and down time costs rise minute by minute. Most maintenance teams simply order…
Technician scrolling a VFD programming menu on an ABB keypad
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VFD Programming Guide: Faster Setup, Fewer Faults

Variable frequency drives (VFDs) save enormous energy and deliver precise motor speed, yet many technicians still groan when they see a flashing cursor on a drive keypad. The root cause is almost always VFD programming because it is the art of translating real‑world requirements into hundreds of device‑specific parameters. Our latest cross‑brand study shows the wrong interface or manual can add hours of downtime and thousands in lost production. Consequently, this mobile‑friendly guide distills that whitepaper into clear actions you can take today.
How Will VFDs Alter Motor Efficiency

How Will VFDs Alter Motor Efficiency (Pt. 1)

When you’re operating motor based equipment, energy efficiency has always been a concern, especially when calls for a greener environment are getting louder. If you’ve yet to explore the option of adding a Variable Frequency Drive (VFD),…
Lenze USA VFD Drives

Lenze USA VFD Drives

Lenze USA is a manufacturer based out of Uxbridge, Massachusetts. Lenze USA is also known as Lenze Americas and AC Tech. Lenze USA manufactures high-performance VFD Drive products used to optimize new and existing machinery. Lenze USA is one…

Compressor Speed Control Products – Repair Or Replace?

A compressor speed control is also known as a VFD, variable frequency drive, adjustable speed drive, or an inverter. To repair the compressor speed control, unique experience and training are needed. Repairing a compressor speed control should…
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ABB Drive Repair

ABB drive repair is less expensive and has a quicker turnaround time than ABB drive replacement. ABB will sometimes recommend replacing failed drives instead of repairing them but ABB drive replacement is very expensive. Checking the motor…
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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…

Motor Speed Controllers

There are three general types of motor speed controllers - AC motor speed controllers, DC Motor motor speed controllers, and Eddy Current motor speed controllers. Each type of motor speed controller can be divided into different variations.…

ABB Frequency Converters

ABB Frequency Converters are used to change the frequency and magnitude of the constant grid voltage to a variable load voltage. Frequency converters are especially used in variable frequency AC motor drives. Figure 1 shows the…

Lenze-AC Tech Variable Frequency Drive Products

Variable frequency inverters are used for electronic speed control of AC induction motors. The needs of the market are wide and varied, and we offer a broad range of standard products for everything from simple speed control to complex;…

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…