21-VLL Series Vertical Motors

The 21-VLL series three-phase medium-voltage motors are designed for large capacity applications.

motor 21-vll series vertical

  • UP to 6500 kW (8,700 HP)
  • WPII, TEAAC and TEWAC and custom frames
  • Designed to meet worldwide standards
  • Fabricated steel plate construction
  • C5 steel lamination

Design Features

Excellent Electrical Performance
Analytical Technology applied to Design:

  • Electromagnetic field analysis
  • Heat conduction analysis
  • Air flow system analysis
  • Angular contact ball bearings (self-cooled)
  • Spherical roller thrust bearings (self-cooled, air-cooled, water-cooled, oil-cooled
  • Tilting pad thrust bearings (air-cooled, water-cooled, oil-cooled
  • The latest technology reduces noise to 80 dBa and less, and vibration level to 1.8 mm/sec
  • Advanced VPI Insulation System
  • Type of Protection & Cooling Method - customized enclosures allow a standard production motor to meet individual requirements