21-G Series Motors

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

  • Up to 23,000kW (30,800 HP)
  • Frames 400 to 900
  • Rugged, fabricated steel construction
  • Designed to meet worldwide standards
  • Fabricated copper bar rotor construction
  • C5 steel lamination
21-G Series Motors Features and Benefits
Design Feature
Customer Benefit

Electrical design including:

  • Extensive electrical magnetic field analysis
  • Heat transfer analysis
  • Improved ventilation
  • Increased efficiency
  • Higher power factor
  • Superior starting characteristics
  • Compact design requires smaller space and lighter foundation

 

Advanced techniques in core and frame construction

Lower noise and vibrations address health and reliability concerns

Advanced VPI Insulation System

Can withstand higher power surges

Culture of quality and continuous improvement

  • Low operating and maintenance costs
  • High reliability

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