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We grew up primarily as an electronic motor drive repair company but began to repair soft starters almost from our inception. Modern softstarters are reliable,
Unlike DC drives, very few AC drives will withstand a phase to phase short across the output phases of the drive without catastrophic damage. The
VFD training is one of our most requested services. The reason is obvious, maintenance people are being asked to do more and more with less
EMA has been in the business of repairing industrial electronics for many years. For a long time, one of our primary revenue sources was repairing
The ideal condition for an AC motor is when its neutral point is at or near ground potential. This would mean that the motor windings
EMA regularly repairs and services Robicon Perfect Harmony medium voltage vfd s.
For a small company like EMA, trying to decide where to spend scarce marketing dollars is always a difficult decision. “Half the money I spend
Like many of you, until recent years I was unaware of the effects of harmonic currents on electronics, motors, and motor drives.
Oftentimes, shop repairs just involve diagnosing the problem, discovering bad parts, and replacing them. But in this global world of short-lived products, replacing the parts
Here at EMA, we repair a variety of drives (VFDs and DC Drives) from a variety of manufacturers and customers.
Interest and inquiries about MV drives have increased in recent months. That’s probably due to a number of factors, including improved drive technology, more interest
A reactor designed for Variable Frequency Drives (VFD’s) is typically nothing more than a coil of wire wrapped around a laminated steel core. The characteristic
EMA has been servicing the electric motor drives on large tunnel boring machines for some time now. A Drive Lines newsletter article, Boring Service Call,
We’ve seen two instances recently of extensively damaged Toshiba VT130P2 800 horsepower VFD s. These particular variable frequency drives are often found in waste water
EMA’s Cortland New York service facility was recently called to look at a 1000 horsepower load commutated Ross Hill Drive (LCI). These drives require a
Recently a customer requested a VFD with a bypass option to replace a thirty year old stand-alone VFD for his HVAC application. A bypass option