DRIVE SYSTEMS FOR WIND TURBINES High reliability on performances and safety components

Know-how & Expertise Leroy-Somer part of NIDEC, a world specialist in generators and drive systems Leroy-Somer is a recognized expert in the design and production of wind turbine generators up to 5 MW, and a major player in the design and manufacturing of orientation systems. Combining know-how and wealth of experience Leroy-Somer increases regularly its market shares in special application drive systems for wind turbine auxiliary equipment. Deep involvement of the R&D departments results in innovative and reliable solutions meeting the requirements of this demanding sector. With industrial sites...

Reliability and long-lasting service life The reliability of Leroy-Somer solutions is due to proven and tested construction choices, including: • Balancing classes that significantly reduce internal vibrations Electrical and mechanical sizing incorporating a thermal reserve to increase the service life of windings Special surface treatments for increased resistance to harsh environments Very high degree of concentricity of the bearing unit to increase the service life of the bearings High-efficiency solutions that reduce the temperature rise in the motors and increase their service life Proven...

TRIED AND TESTED DRIVE SYSTEMS “Pitch”: orientation of the blades • Motors for hydraulic power units • Brake motors for mechanical drive Ventilation of the nacelle • Motors and fans for air treatment or temperature control Lubrication • Oil pump motors for lubrication of the gearbox • Fixed or variable

Cooling • Fan motor for generator cooling circuit • Fixed or variable speed drive Fixed speed motors • High efficiency • Single or dual speed, ventilated or non-ventilated • High specific output power solutions • Reduced risks of condensation • Increased corrosion resistance Integrated variable speed motors • Torque control and stability at low speed • Energy saving • Electronics integrated with the motor • 50/60 Hz universal solution • Electronics moulded in resin Brake motors “Yaw”: orientation of the nacelle • Brake motor for the nacelle orientation movement • Motor technology suited to the...

Worldwide presence Extensive worldwide presence for the benefit of all our customers Through our integrated organisation and our 7300 employees, our global presence is assured. Our technical assistance services and local services comprise: 27 industrial sites Producing complete ranges of high quality products, optimised for the requirements of specific industries. 40 centres of expertise Offering an excellent customer assistance service for any product, any automation solution or any request for service. 8 engineering and design platforms Developing market-leading products and sets of functionalities...

100 years of industrial experience Large installed base Experts in electrical rotating machines Comprehensive range of power Dedicated team aiming at your satisfaction No compromise on quality

www.leroy-somer.com Connect with us at: twitter.com/Leroy_Somer_en facebook.com/leroysomer.nidec.en youtube.com/user/LeroySoirierOffidel linkedin.com/company/leroy-somer © 2018 Moteurs Leroy-Somer SAS. The information contained in this brochure is for guidance only and does not form part of any contract. The accuracy cannot be guaranteed as Moteurs Leroy-Somer SAS have an ongoing process of development and reserve the right to change the specification of their products without notice. Moteurs Leroy-Somer SAS. Headquarters: Bd Marcellin Leroy, CS 10015, 16915 Angouleme Cedex 9, France. Share Capital:...