WEG Electric Machinery Company (WEM) History

Electric Machinery building at the 1890s decade. For over 100 years, Electric Machinery Company (EM) has earned its reputation for designing, manufacturing, and servicing large, custom-engineered electrical motors and generators in the U.S. and worldwide. We serve oil and gas refinery, chemical, utility, general industrial, pulp and paper, and municipal markets. EM has earned a reputation for design innovation by developing the:

Two-pole, direct-current type motor, rated 7.5 hp, 1350 rpm, 220 volts. Manufactured approx. 1898.

The photograph above is a two-pole, direct-current type motor, rated 7.5 hp, 1350 rpm, 220 volts. Manufactured approx. 1898.  It weighed approx. 800 lbs and cost $175.00. We still have the motor running in our lobby today.

  • First High-Starting-Torque Synchronous Motor
  • First Solid-State Brushless Excitation System
  • First Vertical, Self-Contained Hydrogenerator
  • First Automatic Starting System for Synchronous Motors
  • First 2-Pole Induction Motor Design to Operate
  • Below its First Critical Speed

EM pioneered its Duraguard™ insulation system in the early 1970’s. Today, EM’s Duraguard™ process, using epoxy resin tape and vacuum/pressure impregnation (VPI), is recognized as the benchmark of the industry.