The EMA Blog

Industry News, leadership, and items of general interest. Click on the individual blog titles to read more. We're interested in your comments.. feel free to express yourself

Let’s Get Real Marriage Conference Stone Mountain, GA

Tuesday, November 20th, 2012

Mountain Park First Baptist (www.mpfbc.org) :  February 8- 10, Stone Mountain, GA.   The Cost is $20 per couple ($15 if registered prior to 1/7/13)   Dale and Jena Forehand are authors and sought-after speakers for Marriage and Family Conferences, Men’s Conferences, Women’s Conferences, Parenting, Student and Children Events.  Dale and Jena have conducted marriage conferences [...]

Assembling and commissioning a WEG MV01 medium voltage VFD

Tuesday, November 13th, 2012

Abdou Barrow recently had to re-assemble a WEG MV01 medium voltage VFD that had been taken apart at a distant site, and then commission the VFD. The following is his account of this unusual call. I recently did a start up on a 3000 HP 4160 volt WEG MV01 medium voltage VFD in California. (IF [...]

Flood damaged VFD Repair or Replacement

Friday, November 2nd, 2012

EMA continues to get requests regarding Hurricane Sandy flood damage to VFD (variable frequency drives) and controls. Can flood damaged VFDs be repaired, or is it better to replace? Smaller horsepower drives are better replaced.  EMA carries Yaskawa VFDs, Toshiba VFDs, and WEG VFDs.  We can make quick deliveries and installations into the Hurricane Sandy [...]

Commissioning a Toshiba medium voltage VFD T300MVi in a coal mine

Tuesday, October 30th, 2012

EMA recently started a Toshiba T300MVi medium voltage vfd in a coal mine.  The following is a service report which should be of interest to anyone purchasing, considering, or operating medium voltage variable frequency drives. Toshiba has one of the most complete  Medium Voltage Variable Frequency Drives ( VFD )  in the market.  Some of [...]

Hurricane Sandy, Assistance for your flooded VFD s and DC Motor Drives

Tuesday, October 30th, 2012

It’s hard to believe that for the second year in a row the North East Coast has been hit with a Hurricane.   We hope that you and your families are safe following hurricane Sandy, and its associated winds and flooding.  Neither our Upstate NY office or our Pennsylvania office  was affected by the storm.  Our [...]

Rafting the Grand Canyon

Thursday, October 25th, 2012

Everyone that visits the Grand Canyon for the first time has the same reaction. If going to the Grand Canyon South Rim from Flagstaff, you drive through a generally nondescript countryside, enter the Grand Canyon National Park, get out of the car, and walk up to the Grand Canyon overlook. A breathless “WOW” is the [...]

Medium Voltage VFD Repair and Service

Tuesday, September 25th, 2012

EMA is a nationally known and recognized repair center for medium voltage VFDs.  We provide field service, preventive maintenance, new medium voltage VFD s, and application assistance.  No One is better at this than we are. If you require emergency medium voltage VFD repair, click the live support icon on the right if during normal [...]

Medium Voltage VFD (Drives) for sale

Tuesday, September 25th, 2012

EMA provides and stocks  medium voltage drives for the oil fields, water and waste water, mining, pumping applications, and general industry.  Call 800-848-2504 for a quick quote. Medium voltage VFD s, while similar to low voltage VFD s in many ways are markedly different.  Simple application errors become costly and time consuming, not to mention [...]

Medium Voltage VFD PM (Preventive Maintenance)

Tuesday, September 25th, 2012

Medium Voltage Drives (VFD) are usually on critical applications.   An annual preventive maintenance (PM) is very worthwhile. Preventive Maintenance on medium voltage variable frequency drives (VFD s) is often complicated by the various design architectures employed by different manufacturers. The two most obvious differences, are whether the medium voltage VFD is a current source or [...]

Oil and Gas VFD s (Variable Frequency Drives)

Wednesday, September 12th, 2012

VFD s in the Oil and Gas industry are increasingly commonplace, and increasingly critical to both production and exploration. EMA provides new drive equipment and field services on all makes of both low and medium voltage VFDs. VFDs are used by Oil and Gas engineers to improve performance, increase reliability, and save energy. (IF you [...]