The range of STK Permanent Magnet frameless alternators addresses the applications of Wind Turbine generators in low and medium power needing the highest power-to-weight ratio in Direct Drive without gear for matching cost-effective solutions.
Each component of a wind turbine generator and wind turbine alternator requires maximum strength and precision in order to ensure perfect control over the blades.
Main characteristics of wind turbine alternators
Rated power from 200 W up to 99 kW depending on size and rated speeds.
Rated speeds from 80 RPM up to 1500 RPM.
Six overall diameters from 145 mm up to 795 mm.
Internal diameter from 56 mm up to 630 mm.
Various available voltages up to 500 Vac.
Assets of wind turbine alternators
No speed multiplier, no gear
Highest power-to-weight ratio in Direct Drive
Simplification of mechanical design
Easy mechanical interface
Characteristics of the range of wind turbine alternators
The range of permanent magnet frameless alternators STK includes 6 sizes from 145 mm up to 800 mm available in four different lengths per size and two standard rated speeds
STK ALTERNATORS RANGE - Complementary data
145 STK Alternators for wind turbines
Rated power from 200 W up to 5,5 kW
Rated speed : from 650 RPM up to 1500 RPM
Hollow shaft : 56 mm diameter Dimensions alternators 145 STK
Technical characteristics Alternators 145 STK
190 STK Alternators for wind turbines
Rated power from 1.1 kW up to 8.5 kW
Rated speed : from 500 RPM up to 1500 RPM
Hollow shaft : 72 mm diameter Dimensions alternators 190 STK
Technical characteristics Alternators 190 STK
300 STK Alternators for wind turbines
Rated power from 3 kW up to 19 kW
Rated speed : from 350 RPM up to 800 RPM
Hollow shaft : 190 mm diameter Dimensions alternators 300 STK
Technical characteristics Alternators 300 STK
400 STK Alternators for wind turbines
Rated power from 4 kW up to 33 kW
Rated speed : from 220 RPM up to 800 RPM
Hollow shaft : 258 mm diameter Dimensions alternators 400 STK
Technical characteristics Alternators 400 STK
500 STK Alternators for wind turbines
Rated power from 4.7 kW up to 43 kW
Rated speed : from 150 RPM up to 600 RPM
Hollow shaft : 350 mm diameter Dimensions alternators 500 STK
Technical characteristics Alternators 500 STK
800 STK Alternators for wind turbines
Rated power from 7 kW up to 99 kW
Rated speed : from 80 RPM up to 400 RPM
Hollow shaft : 630 mm diameter Dimensions alternators 800 STK
Technical characteristics Alternators 800 STK
documentation about Alternators Kits STK
STK Alternators General Description.
Application note of ALXION STK permanent magnets frameless alternators for direct drive of wind turbines
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