EMA Inc. | Norcross, GA | Tech Articles
EMA Inc.
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.

EMA Inc.

Two Day VFD Troubleshooting School

EMA is presenting a two day troubleshooting seminar on VFDs on March 21 and 22 in Cortland, NY. Training is one of our most requested services.


Medium Voltage VFDs in E Houses

The cost of a medium voltage VFD project involves more than just the medium voltage variable frequency drive (VFD). Putting the drive in an E House is often a viable solution.

Happy Thanksgiving

Thanksgiving as a business practice

A young man from Korea recently taught a training class at our Georgia facility. At dinner that evening we asked him about the Thanksgiving holiday, and what he knew about it. He knew almost nothing about that, but then said, “tell me about this black Friday.” He even went so far as to say, that he’d like to delay his return so he could participate.

Toshiba surplus t300mvi VFD

Surplus (Unused) Toshiba T300MVi 2000 HP VFDs

EMA presently has two (02) 2000 HP Toshiba T300MVi Medium Voltage Vfds for sale.

2500 HP refurbished VFD shipping out

Reconditioned medium voltage (MV) VFDs

The market for reconditioned / refurbished medium voltage (MV) VFDs is growing, and we have a number in stock.


25,000 HP Medium Voltage VFD (Nidec / Ansaldo)

Nidec (formerly Ansaldo) makes a medium voltage VFD with a rating of 25,000 HP. This is a voltage source VFD. (almost everyone else making a 25,000 HP VFD is using a current source VFD)