Monitoring electromagnetic safety brakes is an increasingly important topic. Mayr power transmission is setting new standards with the new, intelligent brake control module ROBA-brake-checker. This module is can energize brakes and monitor them without the use of sensors. It is flexible and easy to integrate into existing systems. As the amount of networking between people,…
Yaw brakes keep the nacelle in the right direction
German manufacturer KTR has extended its product range for wind turbines with recent yaw brakes. The KTR-Stop Yaw brake makes sure that the nacelle is held in a required direction. It differs from a rotor brake in that the azimuth system is always active. When the nacelle turns, the Yaw brake is controlled so it…
Yaw brake earns GL certification
A yaw brake model, FHGE, comes in three models, -77, -90 and -120. Each features a small air gap and few moving parts for a short response times and fast braking. Additional features include a large brake-pad area and low brake-disc temperatures. For the wind-energy market, the company manufactures rotor brakes that generate braking forces…
First electrical safety listing of a large wind turbine hydraulic brake system
First certified braking system highlights need for certified components to promote the growth of clean energy. The wind industry’s first electrical safety certification has been made to a large wind turbine hydraulic brake system for Hydrep, Inc. of Jonquiere, Quebec, Canada. Certification is an important step for expanding the use of wind power in North…
Braking ideas for wind turbines
David Brooksbank/Altra Industrial Motion. South Beloit, Ill./altramotion.com Brakes for wind turbines call for higher cycles rates, higher loads, greater reliability and often in more compact packages than those on conventional factory equipment. Slowing and halting an 80-m wind-turbine rotor involves converting its kinetic energy into heat. The same mechanical transfer occurs, for example, when stopping…
Yaw brakes for wind turbines
A full array of caliper designs is available from Twiflex, Ltd. to meet the yaw braking-force requirements of any size wind turbine. All brake models are durable, hydraulically activated, and direct applied. Models T20 and T40 deliver up to 40 kN braking force, feature two-bolt side mounting, and are intended for light to medium-duty applications.…
Rotor brakes for wind turbines
Twiflex brakes are fully assembled, provide high levels of reliability, easy electronic monitoring and maintenance, and come with organic or metallic linings. Friction liners are sized to ensure adequate heat dissipation during an emergency stop and with an even pressure distribution across pad surfaces. The brakes come in a range of braking forces from 100…
New, longer lasting brake pads for wind turbine
Tribco Inc. will exhibit brake pads that last 3 to 5 times longer than conventional brake pads—but won’t scratch or wear down brake rotors—because they are lined with Braketex, the world’s first and only 100% Kevlar fibered composite friction lining. Braketex is also virtually dust free whereas conventional linings generate dirty, abrasive black dust that…
A closer look at gearbox-to-generator couplings
Wind power stations do not rest. Vibrations are pervasive. Constant alternating loads with difficult environmental conditions make metals fatigue and wear earlier than in other applications. Despite that, expectations for efficiency continuously increase. To meet such challenges, KTR Corp., Michigan City, Indiana, developed the Radex-N, a steel-laminate coupling for wind turbines. The backlash and maintenance-free…