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AutomationDirect Releases White Paper on Top 10 Tips for Specifying VFDs

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3505 Hutchinson Rd.
Cumming, GA, 30040-9905

Press release date: January 10, 2014

VFDs can significantly extend the life of motors and cut operating costs, but selecting the right unit is critical to achieving these benefits.

AutomationDirect announces the release of a new White Paper, “Top 10 Tips: Specifying VFDs” that explains the steps needed to choose the right variable-frequency drive (VFD) to maximize energy efficiency and reduce motor wear and tear.

A VFD lowers energy consumption by allowing the motor speed and power demand to match the load requirements. This also prolongs motor life as the motor doesn’t constantly stop and start to meet demand, but is ramped up to speed slowly, and only runs at full speed as required.

An AC motor alone will produce a starting current that can be upwards of eight times the full load amps of the motor. By pairing the motor with a VFD, the motor startup inrush current is minimized through a measured acceleration of the motor. This is especially important for applications that require many starts and stops, as excessive power requirements can trigger utility demand charges.

Simply adding a VFD, however, will not always produce the desired benefits if care isn’t taken in selecting the right one for the job. The impact of harmonics and heat can easily defeat the energy savings if the right steps aren’t taken to counteract these conditions.

This White Paper provides detailed information, such as determining load and braking requirements, to help users choose the right VFD. It also explains how to maximize benefits through various communication options and best operating practices, along with expert tips.

The White Paper is available as a Word document or can be downloaded as a PDF at:

About AutomationDirect:
In business since 1994, AutomationDirect is a distributor offering thousands of industrial automation products for electrical control systems, including PLCs, operator interfaces, AC drives, motors, stepper systems, sensors, motor control, enclosures and more. Their prices are typically well below the list price of more traditional automation companies because of their model and focus on efficiency and the majority of their products are stocked for same-day shipping. Plus, get free two-day delivery on orders over $49; some limitations apply. For more information, contact them at 800-633-0405 or visit

Editorial Contact: TJ Johns
Phone:                   678-455-1730
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