21- L Series Vertical
Certifications
The 21-L Series three-phase high-voltage motors deliver up to 6,300 kW with rugged steel construction, copper bar rotors, and a range of cooling options—engineered to meet global standards and seamlessly integrate with variable frequency drive systems.
Versatile High-Voltage Motors for Global Industrial Demands
The 21-L series three-phase high-voltage motors are designed for all applications and industries, and are compatible with variable frequency drive applications.
- Up to 6,300 kW (8,500 HP)
- DP, WPI, WPII, TEAAC, TEWAC
- 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
21-L Series Vertical Motors Features and Benefits
Design Feature
- 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
Customer Benefit
- Increased efficiency
- Higher power factor.
- Superior starting characteristics.
- Requires lighter supporting structure
- Easy motor enclosure conversions between DP, WP1, WP2, TEAAC, TEWAC
- Suitable for many types of pumps.
- Lower noise and vibrations address health and reliability concerns.
- Can withstand higher surges of power
- Low operating and maintenance costs
- High reliability
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