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The Robicon Plasma Power Supply 405610 is an esoteric piece of equipment; it was not part of the Siemens’ purchase of Robicon, and it’s difficult
EMA regularly performs field service on medium voltage vfd s, including the AB (Rockwell) Powerflex 7000 VFD. The following is a brief synopsis of a
EMA often does custom VFD projects. This small custom VFD conveyor control project is shipping to a customer’s location in Kentucky.
VFD s use Electrolytic Capacitors in the DC Bus section. This article by Dean Williams is useful information.
The Holiday Inn in downtown Binghamton, NY was hit severely by the 2011 flood. Their whole basement mechanical room was completely underwater, including their VFD
Load Sharing using hard coupled VFD s requires special tuning and setup. Here’s a brief overview.
This blog is an overview of the Electric Motor Drive Market.
If you’re like me, you cannot stand that dreaded phone call you seem to get when you first sit down at your desk on a
Large horsepower DC drives and high amperage rectifier systems can be expensive to replace. Often its more desirable to rebuild or re-manufacture the thyristor (SCR)
By Eddie Mayfield and Abdou Barrow, EMA Inc. To begin, the design of modern variable frequency drives (VFD) takes output ampere readings very seriously. The
From our DC Drive repair service experience, there appears to be fairly common misunderstandings about the basics of DC Drives and DC motors.. so here’s
EMA has elected to begin stocking 2000 HP Toshiba T300MVi VFDs. The part number is M3A44200SAA which is a 2000 HP, 4160 Volt medium voltage
VFD (Variable Frequency Drives) have decreased in price in recent years, and with standard VFDs, it’s often more advantageous from an economic viewpoint to replace
The GE Multilin is a popular motor management and protection device. The Mulitilin is not particularly difficult to install or setup, but can present an