The EMA Blog

Norcross, GA: May 8, 2012  EMA Drives and Automation had a team of 15 attend the Chick Fil A Leadercast in Atlanta on Friday May 4th. EMA prides themselves on being the undisputed customer service leaders in the electronic motor drives and automation business.  In business for over 22 years, the Norcross based company specializes [...]

We often get asked to find the lowest priced VFD for our customers.  The least expensive VFD we’ve found thus far is the EV Drive. The EV drive is a relatively new player in the market.  While it’s by far the lowest cost VFD we’ve seen, don’t think that means low quality. This is a [...]

You can run a single phase motor from a VFD.  The motor cannot use a switched starting capacitor;  it must be either a split capacitor or shaded pole single phase motor.  A single phase VFD can be used on these motors.  The other consideration is starting torque. The single phase output VFD  should be used [...]

VFD s use Electrolytic Capacitors in the DC Bus section.   This article by Dean Williams is useful information. Electrolytic Capacitors, The Ticking Bomb Author:  Dean Williams Inside most industrial electronic equipment resides a component called an electrolytic capacitor.  (IF you need to purchase DC Bus Capacitors for your VFD, click the contact icon on the [...]

The Holiday Inn in downtown Binghamton, NY was hit severely by the 2011 flood. Their whole basement mechanical room was completely underwater, including their VFD s.  One of the casualties was a Toshiba G3+ 350 HP VFD. The drive runs their Carrier 350 ton Chiller for all of the air conditioning in the building. The [...]

Load Sharing using  hard coupled VFD s requires special tuning and setup.  Here’s a brief overview.  All most all newer VFDs come with an auto-tune function these days. Auto tune automatically adjusts the tuning parameters of  the VFD to the motor. All that is required from a technician or engineer is to input the motor [...]

The Power of a Story Tell me your stories, I’ll teach you my songs and we’ll have one more Isn’t that what friends are for? Isn’t that what friends are for? Those lyrics from a 1972 Paul Williams song seem to capture what many business leaders have learned over the years.  Stories and illustrations have [...]

This blog is an overview of the Electric Motor Drive Market.  By Eddie Mayfield, President, EMA Inc. (to download this in PDF form, Click Here) Despite a persistently sluggish U.S. economy, most electric motor drive manufacturers reported good sales in 2011, and are optimistic about 2012.   Here at EMA, we experienced a very good [...]

Currently NYSERDA has over $50 million available for distribution to New York State businesses and institutions for VFD and Motor energy saving applications through December 31, 2015, or until the funds are exhausted. There are specific requirements to take advantage of this program.  EMA offers services at no charge to help you take advantage of [...]

EMA’s New York facility regularly repairs the old Danfoss VLT 3075 controls and in particular, the interface Board 1753216. EMA  can repair the Danfoss Interface Board 175L3216 as as a stand alone unit, or as part of the entire Danfoss VLT 3075 VFD.   EMA New York has a complete test stand to repair either. [...]