Smith Services, a Timken brand, is one of the largest motor service organizations in the United States.

Motor Services & Testing

MOV Motor Testing

Schulz provides in-depth testing of both AC and DC MOV motors that includes requirements of NRC generic letter GL-89-10, such as:

  • Reduced voltage testing
  • Increased ambient temperature testing
  • Locked rotor testing
  • Speed/torque curves
  • Testing at 70, 80, 90, 100 and 110% of rated voltage
  • Data acquisition systems including ADAMS and ADAMS2
  • Class H winding insulation

Schulz provides fast turnaround times and will repair your MOV motors meeting industry needs and requirements.


Motor Testing Capabilities, Including MOVs

  • AC power: 0 to 13.2kV
  • DC power: 0 to 1200V
  • Dynamometers: fractional to 1500 HP, varies per RPM, both vertical and horizontal
  • Surge tester: 0 to 40,000V
  • High potential tester: 0 to 60,000V AC/100,000DC
  • Continuous megger:5000V/3000 gigaohms
  • Low resistance to 1 microhm
  • Data acquisition systems including the ADAMS, ADAMS2 and ADRE system by GE Bently-Nevada
  • Core loss testing with infrared images
  • Specialized testing for MOV motors