Upgrading the control systems on Siemens/Robicon Perfect Harmony and Toshiba T300MVi Medium Voltage Variable Frequency Drives is a smart, cost-effective alternative to full replacement. This
At EMA, we perform preventative maintenance on a variety of Medium Voltage Drives in all kinds of environments. One of the more complex drives we
As we enter 2025, I’m sure many of you did NOT get what you wanted from your wish list. Was there a new medium voltage
Modern low-voltage drives are almost all the same these days. They utilize a diode or SCR front end to rectify AC to DC which sits
Although less common than air-cooled, liquid-cooled power cells come with many advantages as well as a few disadvantages. Our experts have seen it all!
Over the past 10 years, EMA has been heavily involved with repairing and servicing Medium Voltage VFDs. The most common drive we service, both in
We recently had the opportunity to service Siemens Robicon Perfect Harmony VFDs on a LNG Carrier (Ship) in the middle east. When natural gas is
One of the key features of all low voltage VFDs is their ability to softly charge the DC bus capacitors. This feature is not a
Preventive Maintenance(PM) on any VFD is in essence downtime prevention. That’s especially true for PM on Robicon Siemens Perfect Harmony VFDs. The Robicon Siemens Perfect
Siemens/Robicon Perfect Harmony Power Cells (power modules) can be tested in the field, at the job site. Field testing the Perfect Harmony Power Cells (power
VFD training is one of our more requested services, and we’ve recently started offering specific, hands on training on the Siemens Robicon Perfect Harmony medium
EMA recently installed a Siemens Robicon Perfect Harmony Medium Voltage VFD test stand.