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The Natural Power Consultants Ltd. wind~wave~tidal naturalpower

EWEC 2007 May 7-10, Milan CT3: Downtime Analysis for Informed Decision Making Stuart Hall M.Eng., M.Sc. Director Graeme Hawker M.A., M.Sc. Operational Analyst Neil Douglas B.Sc., M.Sc. Associate Director (Technical). The Natural Power Consultants Ltd. wind~wave~tidal www.naturalpower.com.

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The Natural Power Consultants Ltd. wind~wave~tidal naturalpower

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  1. EWEC 2007 May 7-10, MilanCT3: Downtime Analysis for Informed Decision Making Stuart Hall M.Eng., M.Sc. DirectorGraeme Hawker M.A., M.Sc.Operational AnalystNeil Douglas B.Sc., M.Sc.Associate Director (Technical) The Natural Power Consultants Ltd. wind~wave~tidal www.naturalpower.com

  2. Introduction • Why is a system for downtime analysis necessary? • How is downtime analysis achieved?

  3. Site Data SCADA Reference Anemometry Work control data Alarm / Event logs 10 minute turbine data System Pre - Processing Operator Post - Processing Operational power curves by sector Lost generation by downtime event Downtime event list by category

  4. Downtime Analysis Interface – Inputs and Outputs DT event Alarm log Event log SCADA data Work control data DT editor

  5. End of event Generation End of event?? Event categorised as penalising

  6. Lost Generation Measured power performance by sector Extrapolate generation during downtime event Adjust for reduced wakes

  7. Benefits of DTA • Identify trends • Cost – Benefit analysis • Optimisation of management regime • SCADA independent calculation of key performance indicators • The owner is in control of the assets Informed Decision Making

  8. Stuart Hall stuarth@naturalpower.com Graeme Hawker graemeh@naturalpower.com Neil Douglas neild@naturalpower.com Thank you for your attention The Greenhouse Natural Power HQ, Scotland

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