Tech Articles | EMA Inc. | Page 3
EMA Inc.
Medium Voltage VFD Field Service

Field Service on Medium Voltage VFDs

Our primary business has become field service on medium voltage VFDs. If you need Field Service on a medium voltage VFD..

Medium voltage VFD (MV) quick delivery

Medium Voltage VFD (MV) Quick Delivery

We have a number of medium voltage VFDs in stock for quick and even immediate delivery. Horsepower ranges from 500 to 3500 horsepower. Some of these medium voltage VFDs are reconditioned units with a full warranty, and some are factory new. All are sold on a first-come, first-served basis. You are welcome to inspect them at our Norcross, GA, (Atlanta) facility. We’ll also be happy to send you pictures.

GE multilyn repairs

We Repair GE Multilins 469, 750 and Others

EMA repairs GE Multilins. We repair the Multilin 469, 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

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

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

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

toshiba medium voltage input section

Field Service and Repair on Toshiba T300MVI Medium Voltage VFD

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

Toshiba t300MVI in stock

Toshiba T300MVI 2000 HP Medium Voltage VFD in Stock

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

EMA Inc.

Predictive Medium Voltage VFD Maintenance Webinars from EMA

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”

capacitor bank failure

Why Preventive Predictive Maintenance on Pipeline VFDs?.

Medium voltage Variable Frequency Drives ( VFD ) are commonplace in pipeline applications. Many of these have been in uninterrupted service for years, but there are times when preventive or predictive maintenance is a good idea on pipeline VFDs.