VFD – Precision Automation | Specialists in Industrial Automation

Drives

How To Maintain A VFD Drive

28 Apr 20196 Dec 2020

By Dave Polka, ABB. Do you know how to maintain variable frequency drives (VFDs)? Doing so is easier than you might think. By integrating some simple, logical steps into your…

Drives

Adjustable Speed Drives

10 Apr 201914 Apr 2019

By Leeson. By definition, adjustable speed drives of any type provide a means of variably changing speed to better match operating requirements. Such drives are available in mechanical, fluid and…

Drives

AC Tech MCH Series Drives HVAC Application Guide

22 May 201715 Apr 2019

By Lenze/AC Tech. Affinity Laws Most HVAC systems are designed to perform during peak load conditions that rarely occur during the year. Various flow control methods such as inlet guide…

Drives

How Do I Derate Three Phase Inputs For Single Phase Applications?

8 Feb 201730 Jul 2019

By Lenze/AC Tech. Often times those using a Variable Frequency Drive (VFD) may find they need to connect a higher horsepower VFD to a single phase input power source. Since…

Drives

Mating New Variable Frequency Drives to Existing Motors

8 Feb 201730 Jul 2019

By Lester B. Manz & Robert B. Morgan. Motors connected to VFDs receive power that includes a changeable fundamental frequency, a carrier frequency, and very rapid voltage buildup. These factors…

Drives

The Benefits of Variable Frequency Drives

4 May 201620 Jul 2019

By Jeff Bergman With the cost of energy and water and wastewater services continuing to rise, operators are looking for ways to reduce the costs of these basic, yet crucial…

Drives

What is a VFD?

15 Feb 20161 Jan 2020

By ABB. You can divide the world of electronic motor drives into two categories: AC and DC. A motor drive controls the speed, torque, direction and resulting horsepower of a…

Drives

Top 10 Tips: Specifying VFDs

26 Jan 201428 Feb 2021

A variable-frequency drive or adjustable-frequency drive, variable-voltage/variable-frequency drive, variable speed drive, AC drive, micro drive or inverter drive is a type of motor drive used in electro-mechanical drive systems to…