Wind_Energy_Essentials_Lecture 11

Wind_Energy_Essentials_Lecture 11 - Georgia Institute of...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
12/8/2010 1 Georgia Institute of Technology | Milwaukee School of Engineering | North Carolina A&T State University | Purdue University University of Illinois, Urbana-Champaign | University of Minnesota | Vanderbilt University Hydrostatic Transmission of Wind Power Kim Stelson Professor and CCEFP Director University of Minnesota 2 Agenda • Overview of Center for Compact and Efficient Fluid Power (CCEFP.org) • Conventional mechanical drive train for wind power • Hydrostatic drive train for wind power
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
12/8/2010 2 3 Power In Power Out Direction of Motion Fluid Power is transmitting power with fluids What is fluid power? Hydraulics is the use of liquids to transmit power. Pneumatics is the use of gases to transmit power. Hydraulics and pneumatics
Background image of page 2
12/8/2010 3 5 • Flexible routing • Bi-directional • Infinitely variable transmission ratio • High torque or force • Load holding without power • High power and bandwidth • High power to weight ratio • Cost effective Advantages of fluid power 6 Both motors produce 1200 lb-ft torque at 400 RPM. hydraulic motor electric motor Size comparison
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
12/8/2010 4 7 Power (kw) Bandwidth (Hz) Power and bandwidth 7 10 2 10 1 10 3 10 0 10 2 10 1 10 3 Electro-hydraulic control Beyond the state of the art Hydrostatic Drives Electro-mechanical actuation 8 • Low efficiency • Noise • Leaks • Low energy storage density • Lack of familiarity Disadvantages
Background image of page 4
12/8/2010 5 9 10 The vision of the Engineering Research Center for Compact and Efficient Fluid Power (CCEFP) is to transform fluid power so that it is compact , efficient and effective . This will benefit humanity by significantly reducing energy consumption and spawning whole new industries. A coordinated research, education, outreach and diversity program will facilitate this transformation. CCEFP Vision
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
12/8/2010 6 11 1. Increase efficiency in existing fluid power applications. 2. Expand fluid power use in transportation. 3. Create portable, un-tethered human-scale fluid power applications. 4. Ubiquity - fluid power that is clean, quiet, safe and easy to use. CCEFP major research goals 12 CCEFP locations
Background image of page 6
12/8/2010 7 13 1 AAA Products International 2 Afton Chemical Corp 3 Air Logic 4 Bimba Manufacturing Company 5 Bobcat 6 Bosch Rexroth Corp 7 Caterpilar Inc 8 Command Controls 9 10 Delta Computer Systems 11 Deltrol Fluid Products 12 Donaldson Company Inc. 13 Eaton Corporation - Hydraulics Opera 14 Enfield Technologies 15 Evonik (RohMax) USA, LP 16 Exxon Mobil 17 Festo Corporation 18 Fluid Power Educational Foundation 19 G.W. Lisk Co., Inc. 20 Gates Corporation 21 HÃgglunds Drives Inc 22 Haldex Hydraulics Corporation 23 HECO Gear, Inc. 24 Hedland Flow Meters (Racine Federated 25 Hoowaki 26 HUSCO International, Inc. 27
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/26/2011 for the course EE 523 taught by Professor Dr.hopkins during the Spring '11 term at SUNY Buffalo.

Page1 / 30

Wind_Energy_Essentials_Lecture 11 - Georgia Institute of...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online