PCWG 2016 Roadmap & Meeting Overview

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Presentation transcript:

PCWG 2016 Roadmap & Meeting Overview Thursday, September 29 2016 PCWG, Minneapolis Jason Fields (NREL)

Reflecting the Real World… Categories of Turbine Performance Corrections Inner Range Performance Adjustments to reflect the fact that even under warranted/ideal conditions performance may not be 100% Outer Range Inner Range Outer Range Performance Adjustments to reflect the fact that turbine performance may deviate from Inner Range behaviour in Outer Range Conditions e.g. Low/High TI, Low/High Shear etc. Note: The PCWG Inner-Outer Range Proposal is Conceptual Decomposition, and does infer specific parameter ranges. + Other Performance Corrections Icing, Blade Degradation, Sub-optimal performance etc.

Reflecting the Real World: Inner Range Performance Historic Performance Under Inner Range Conditions The PCWG is seeking to design an adjustment framework to define how to make best use of historic power performance tests when predicting future turbine performance. Extract from ‘High Resolution Turbine-Specific Matrix’, Carl Ostridge DNV GL, Colorado PCWG Meeting, 10 August 2016, download from www.pcwg.org.

Reflecting the Real World: Outer Range Performance Inner Range Performance Outer Range Deviations (Observed – Base) Turbulence Intensity [%] Wind Speed [m/s] Colour = % Observed Power Deviation (Observed - Base) Power (P) Wind Speed (v) High TI & Low V Positive Deviation High TI & High V Negative Deviation P=P(v, ρ) Low TI & Low V Negative Deviation The PCWG is attempting to evaluate methods for predicting Outer Range performance via the PCWG Intelligence Sharing Initiative (PCWG-Share-X)

PCWG 2016 Roadmap

Priority Actions (what we are working on right now) Note: as IEA Task 32 also planned a IEC61400-12 Round Robin the PCWG has focused on worked examples (more later).

Meeting Overview

Meeting Overview Introduction (Erik Hale and Jason Fields) PCWG-Share-X, Intelligence Sharing Initiative (Andy Clifton) Preparing for 61400-12-1 Ed 2 (Ellie Weyer & Vineet Parkhe): IEA Task 32 Round Robin PCWG Worked Examples Inner Range Performance (Erik Hale & Dan Bernadette) Technical Presentations and Q&A (Yu Ding & Gil Lizcano) Further Discussion (chaired by Jason Fields)

Join the Power Curve Working Group at: www.pcwg.org