Yaw brakes for wind turbines
January 13, 2010 by Paul Dvorak
Filed under Yaw and Pitch Brakes
Excerpt: 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, an …
Rotor brakes for wind turbines
January 13, 2010 by Paul Dvorak
Filed under Yaw and Pitch Brakes
Excerpt: 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 surf …
Soft brake for turbines
September 23, 2009 by WindPower Engineering
Filed under Mechanical Components, Yaw and Pitch Brakes
Excerpt: Before engineers access a nacelle and hub for maintenance, the rotor must be stopped and secured in a particular position. Today, an electrohydraulic brake control can provide a soft stop to the required position. Then hydraulic controls can engage a rotor lock. Stopping a turbine by the driv …
New, longer lasting brake pads for wind turbine
August 20, 2009 by WindPower Engineering
Filed under Yaw and Pitch Brakes
Excerpt: 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 fr …
How to build a better brake pad
July 7, 2009 by Paul Dvorak
Filed under Mechanical Components, Wind Safety, Yaw and Pitch Brakes
Excerpt: The Carlisle Design and Development Process combines the consulting, engineering, modeling, prototyping, testing, and manufacturing required to produce world class brakes. Benefits of the company best design practices lead to: • Complete brake systems – hydraulic controls, brakes, and frictio …
Brakes for pitch and yaw drives
June 11, 2009 by Paul Dvorak
Filed under Electrical Systems, Yaw and Pitch Brakes
Excerpt: Emergency braking requirements of today's large wind turbines under maximum wind conditions are comparable to those of a 40-ton mining truck driving down a 25% grade at 87 mph with a cliff just ahead. To meet these demanding requirements, Warner Electric , South Beloit, Wisc., an Altra Indust …
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