Blog/tech articles

Yaskawa MV1000 2000 HP medium voltage VFD in stock

Wednesday, September 6th, 2017

We have a brand new Yaskawa MV1000 2000 HP medium voltage VFD in stock for immediate delivery.  This is a 4160 volt drive.  

Medium voltage VFD (MV) quick delivery

Wednesday, August 30th, 2017

We have a number of medium voltage VFDs in stock for quick and even immediate delivery.  Horsepower ranges from 500 to 3500 Horsepower.

Field Service on Medium Voltage VFDs

Thursday, June 22nd, 2017

Our primary service business has become field service on medium voltage VFDs. We didn’t start out that way, in fact there was a time we turned down field service requests on medium voltage VFDs.  But that changed, and it’s now hard to imagine a time when did not do medium voltage field service.

We repair GE Multilins 469, 750 and others

Friday, May 19th, 2017

EMA repairs GE Multilins.  We repair the Multilin 469, we repair the Multilin 750 and most others. Repairing Multilins is not a new business for us, we’ve been repairing GE Multilins for some time now.

Remote Monitoring of Critical VFDs and Drives

Tuesday, April 4th, 2017

Variable Frequency Drives (VFD) are often used on critical applications in remote locations. Examples of remote and critical VFD applications would be oil and gas pipelines, water treatment and pumping, and oil production. Remote monitoring of these units can be of paramount importance.

Pipeline Medium Voltage VFD Specifications overview

Monday, February 13th, 2017

We’re seeing increased inquiries regarding Pipeline VFD specifications for pipeline VFD applications.  The following is a general overview that may prove helpful.  We cover Siemens, Allen Bradly, Yaskawa, Toshiba, and Nidec (Ansaldo). 

PQube3 VFD Remote Monitoring Tool

Wednesday, February 8th, 2017

Per the IEEE electrical equipment that regularly undergoes preventive  maintenance is  less likely to fail compared to those not subjected to preventive maintenance. See our blogs on Preventive maintenance.

Field Service and Repair on Toshiba T300MVI Medium Voltage VFD

Tuesday, February 7th, 2017

The Toshiba T300MVI medium voltage VFD is a popular drive, and we offer field service and  repair, including power cell repairs. 

Toshiba T300MVI 2000 HP Medium Voltage VFD in Stock

Monday, February 6th, 2017

We have two  brand new, unused, Toshiba T300MVI 2000 HP Medium Voltage VFDs  in stock.  These are from a cancelled project,  never installed, and will carry a full warranty. 

Predictive Medium Voltage VFD Maintenance Webinars from EMA

Friday, February 3rd, 2017

For someone my age, it’s amazing how many webinars we do each month around here.  The most popular one we do is “Predictive Maintenance on Medium Voltage VFDs”