21-L Series Motors

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

• Designs up to 18,000 kW (25,000 hp)
• Wide variety of enclosures
• Rugged, fabricated steel construction
• Frame sizes from 450 mm ~ 950 mm
• Designed to meet worldwide standards
• Fabricated copper bar rotor construction

Design Feature

• Excellent Electrical Performance
• Unique Modular Construction
• New Compact Design
• Lower Noise & Less Vibration
• Advanced VPI Insulation System
• Quality Control

Customer Benefit

• • Higher efficiency
  • Higher power factor
  • Superior starting characteristics
• Easy motor enclosure conversion:

  ODP, WP1, WP2, CACA (TEAAC), CACW (TEWAC)

• • Extensive electrical magnetic field analysis
  • Heat transfer analysis
  • Improved ventilation
• Advanced techniques in core/frame construction
• Can withstand higher surge
• • Low operating/maintenance costs
  • High reliability
  • Extended re-greasing intervals