21 L Series Vertical Motors

The 21-L series three-phase high-voltage motors are designed for all applications and industries, and are compatible with variable frequency drive applications.

21-L Series Vertical Motors

  • Up to 6,300 kW (8,500 HP)
  • Rugged, fabricated steel construction
  • Frame sizes 150-50 M ~ 190 - 62 L
  • Designed to meet worldwide standards
  • Fabricated copper bar rotor construction
  • C5 steel lamination

Design Features

Electrical design including:

  • Extensive electrical magnetic field analysis
  • Heat transfer analysis
  • Improved ventilation
  • Unique Modular Construction

Selection of Thrust Bearings

  • Angular contact ball bearings
  • Spherical roller thrust bearings
  • Tilting pad thrust bearings

Advanced techniques in core and frame construction
Advanced VPI Insulation System
Culture of quality and continuous improvement