OVERVIEW
Wind turbines are designed to maximize power production at the plant location’s most probable wind speeds, which is usually in the range of 30 mph. Designing a wind turbine for higher wind speeds is typically uneconomical. Nonetheless, high wind conditions are not uncommon at most wind farm locations. During high wind conditions, it is imperative to limit the power generated to avoid spontaneous runaway turbine situations which can lead to catastrophic failure due to overloading of rotors, power train, and the electrical generators.
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High speed shaft brake systems on wind turbines are vital for safety and protection of equipment from damage. Modern wind turbines incorporate hydraulic braking systems for this purpose, and a critical component of these hydraulic systems is an accumulator which provides supplemental flow of hydraulic fluid for fast response in braking. Currently, diaphragm style accumulators are the most widely used technology and are suitable for storing energy under pressure, hydraulic shocks, and dampening pump pulsation and flow fluctuations. However, when diaphragm accumulators fail it is a catastrophic type failure as typically the diaphragm will tear and completely release all the stored gas. The diaphragm failure mode is thus very sudden, as the pre-charged accumulator pressure instantaneously falls to zero.
An attractive alternative to diaphragm style accumulators is the crimped piston style accumulator which can be customized to each application for bore size, length, seals, gas valves, etc. The key advantage is the smaller volume of rubber susceptible to permeation, which extends life and greatly reduces brake system failures, downtime and pre-charge maintenance.
In this informative webinar, Tom Ulery, Business Development Wind Energy North America with Parker Hannifin Corporation, will discuss the key technical and economic benefits of Parker Hannifin’s ACP crimped piston style accumulator.
Specific topics will include:
The effects of high permeation rates on brake system failures
Reducing downtime due to gradual vs. instantaneous failure
ROI for utilization of ACP piston accumulators vs diaphragm type
Attendees can ask questions during the Q&A session of the webinar.
Register today to secure your spot in this free webinar!
Who Should Attend:
Wind Farm Asset Owners
Plant and O&M Managers
Wind Turbine OEMs
EPC & AE Consultants
PRESENTER
Tom Ulery | Business Development Wind Energy North America for the Accumulator & Cooler Division | Parker Hannifin Corporation
Tom Ulery is an experienced Application Manager with a demonstrated history of working in the mechanical or industrial engineering industry. He works with Parker Hannifin's complete product portfolio to provide solutions to customer needs in the renewable energy area. Tom's key focus areas are on the wind and hydroelectric markets. Tom graduated from Tiffin University.
Rich Del Real | Business Development Manager for the Accumulator & Cooler Division | Parker Hannifin Corporation.
Rich Del Real’s primary focus is to provide products to help user improve their process, reduce maintenance and increase productivity. His position at Accumulator & Cooler Division gives him the ability to utilize these traits on hydraulic systems . His current concentration is on the wind market. He is working on accumulators and coolers used in braking systems, pitch control, power packs and other key components of the turbine. His ultimate goal help maintenance teams extend the longevity of the hydraulic system.
Jeff Sage | Accumulator Product Manager for the Accumulator & Cooler Division | Parker Hannifin Corporation.
Jeff Sage has been in the hydraulic industry for over 40 years. The last 20 years has been focused on hydraulic accumulator for a multitude of industries including power generation and wind turbines. Jeff is an accumulator expert. His knowledge and experience with accumulators has been utilized in some of the largest accumulator projects on the planet. Hoover Dam’s pressure relief system and the world’s largest earthquake simulator are some of his most recent projects.