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PictureTurbine Control System
           4N55 - VAWT Turbine Technical Information:

Our Turbine Units have various Technical Specifications and these are often designed to customers specific requirements but the standard UK/Euro default Specification is listed below:




Electrical Data Specifications:
Generator Type:          90KW Induction Motor
Voltage:                     400 Volts
Poles:                        Multiple
Converter:                  Active front end regenerative full scale converter
Feedback:                  Closed Loop
Design / Safety:         G59, EMC Directive BS EN 61800-3 Machinery Directive EN 60204-1

Operating Data:
Rated Power @         
11m/s:                       55KW
Maximum Power:         75KW
Cut In Wind Speed:       3m/s
CutOut Wind Speed:    25m/s

Physical Data:
Mill Diameter:              14m
Blade Length:              14m
Number Of Blades:      3 - 5
Nominal RPM:             30 RPM
Braking System:          Regenerative braking with electronically controlled back up braking and electronic actuated safety lock.
Tower Type:                Tubular mast
Height:                       Hub Height: 23 or 30m / Tip Height: 30 or 37m
Design Specification:   IEC 61400 – 2 wind turbine directive
Power Up Sequence:    Self Starting
Electrical Housing:       External IP54 enclosure with internal IP2X protection

Installation Time:
 Note: On Site Installations will depend on individual requirements, but the 4N55 turbine ground system and tower installation should be within a 7 day period.