1. IEC TC 88 PT 61400-5 IEC 61400-5 Ed.1: Wind Turbines – Part 5: Rotor Blades
IEC TC 88 Meeting
NREL-NWTC
11-12 March, 2010

2. Presentation Overview
PT history
Meetings and participation
General timeline
Technical scope/relevance
Intended audience
Committee issues
TC 88 coordination
Future work

3. PT 61400-5 History TC 88 Meeting – October, 2008
New work item proposal: 88/345/NP
March 6th, 2009
NC Voting Open
March 6th through June 12th, 2009
Results of voting circulated: 88/351/RNV
August 28th, 2009
Work item approved
New project team convened
Team Leader: Mr. Wang Jianping (CN)
Inaugural meeting: October, 2009 – Geneva, Switzerland

4. PT5 Meetings Meeting #1: October 14-15, 2009 IEC Headquarters
Geneva, Switzerland
Meeting #2:
January 13-15, 2010
Gloria Plaza Hotel
Beijing, China

5. PT5 Participation

6. PT5 Timeline

7. PT5 Technical Scope Blade design Environmental conditions
Aerodynamic design
Design loads
Material requirements
Structural design
Blade manufacturing requirements
Critical processes and quality control
Tooling qualification and maintenance
Manufacturing tolerances
Calibrations
Workshop and storage environment
Final manufacturing inspection
Manufacturing and QA records
Test Methods
Blade Handling
Field Operation and Maintenance

8. Blade designers Turbine designers Blade manufacturers Field operators
Intended Audience
Blade designers
Turbine designers
Blade manufacturers
Field operators

9. Manufacturing methods Style of work
PT5 Committee Issues
Agreement of scope
Source documents
Manufacturing methods
Style of work

10. TC 88 Coordination 61400-1 61400-23 61400-24 Design criteria
Blade testing
Full scale structural
Material – coupon level
NDT
Weight and balance
Proof testing
Lightning protection

11. PT5 Future Work Continue refining sections
Based upon scope
Develop detailed text for sections
Produce CD
Planned meetings:
May, 2009: Aalborg, Denmark
September, 2009: Hohhot (Huhehot), China