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),…
Differences Between ABB ACS550 and ACH550 VFD

Differences Between ABB ACS550 and ACH550 VFD

The are many differences between ABB ACS550 and ACH550 VFD products. If an exact replacement is unavailable, it's important to know the differences between the ABB ACS550 and ACH550 VFD before deciding on which product to order. An ABB ACH550…

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…
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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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…
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Eaton power board failure

This article has been updated and re-posted at https://www.precision-elec.com/eaton-power-board-failure-2-2/ Eaton power board failure is a common problem among Eaton drive users. The main reason most Eaton drives fail is due to power board…

AC Electric Motors

AC electric motors operate by applying alternating current (AC) power to the electric motor. The main parts of  AC electric motors are the stator and rotor. The AC electric motors' stator consists of coils that are supplied with alternating…

Allen Bradley Alternative

We've Been Servicing the Industrial World Since 1983. Minimize Your Downtime. Maximize Your Productivity. Call Toll Free: 1.877.625.2402 Customers of Precision Electric who use Allen Bradley products typically get frustrated when they…

Variable speed drive energy savings

We've Been Servicing the Industrial World Since 1983. Minimize Your Downtime. Maximize Your Productivity. Call Toll Free: 1.877.625.2402 The use of variable frequency drives on variable torque loads for the purpose of gaining energy savings…

Dynamic Brake Selection for Sub-Micro & SMV Series Drives

  Dynamic braking is used when an overhauling load causes regeneration from the motor to occur, especially in situations where the required deceleration time to stop the motor cannot be achieved due to High Voltage nuisance tripping.…