21-L Series Vertical 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 6,300 kW (8,500 hp)
- Wide variety of enclosures
- Rugged, fabricated steel construction
- Frame sizes from 150-50 M ~ 190 - 62 L
- Designed to meet worldwide standards

- Fabricated copper bar rotor construction

21-L Series Vertical Motors Features and Benefits
Design Feature Customer Benefit
Excellent Electrical Performance


 - Higher efficiency
- Higher power factor
- Superior starting characteristics
Unique Modular Construction


 Easy motor enclosure conversion:
DP, WP1, WP2, CACA (TEAAC), CACW (TEWAC)
 Selection of Thrust Bearings


- Angular contact ball bearings
- Spherical roller thrust bearings
- Tilting pad thrust bearings
New Compact Design - Extensive electrical magnetic field analysis
- Heat transfer analysis
- Improved ventilation
Lower Noise & Less Vibration

 		Advanced techniques in core/frame construction
 Advanced VPI Insulation SystemCan withstand higher surge
 Quality Control


- Low operating/maintenance costs
- High reliability
- Extended re-greasing intervals



PAGE TOPPAGE TOP

Resource Documents

© 2011 TMEIC. All rights reserved
TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS-CORPORATION