The art of deploying wind machines in an optimal manner in rows and columns on a wind farm site. To cut off electricity supply to some sectors during part of the day when demand is larger than available capacity. Average load (kw) as percentage of peak load (kw). Replaced investment in MW of thermal power capacity as a percentage of the rated maximum power of the wind farm in MW. Determination of the wind speed distribution at locations other than the location of measurement, in particular at the individual turbine sites. Used as a proxy for the load carrying capability of a wind farm. Average load, MW Total produced energy (MWh) divided by Capacity factor Horizontal Transfer Load carrying capability Load factor Load shedding Micro Siting Orography Average load (MW) as percentage of plant capacity (MW). The value below 1 expresses the accumulated reduction in output from the individual turbines in a wind farm due to the wind-shading effect of other wind turbines. Perfect array efficiency would be 1, in practice it is always lower. The sum of the annual energy production of the individual wind turbines in a wind farm calculated taken the wake loss into account divided by the calculated total production without wake loss. A modification of AEP gross, taking losses and corrections into consideration. Output of the wind farm at the measuring/selling point. Long Term Mean Annual Net Energy Production. AEP gross is normally calculated without corrections and losses, but might include some corrections e.g. A fictive figure found by multiplying the power curve with the wind distribution curve.
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1 DANISH MINISTRY OF FOREIGN AFFAIRS DANIDA DANIDA s MIXED CREDIT PROGRAMME GUIDELINES FOR THE PREPARATION AND EVALUATION OF INVESTMENTS IN WIND FARMS VOLUME 1: CHECKLIST FOR FEASIBILITY STUDIES September 2001 Danida Ministry of Foreign Affairs 2, Asiatisk Plads DK-1448 Copenhagen K Phone: Fax:Ģ TABLE OF CONTENTS ABBREVIATIONS, ACRONYMS AND DEFINITION OF TERMS 0 INTRODUCTION BACKGROUND FOR PREPARATION OF THIS MANUAL ISSUES TO BE COVERED BY A FEASIBILITY STUDY Introduction Summary Energy policy and regulatory background for the project Organisational set-up for the wind farm Conditions at the project site Technical description of the wind farm Annual Energy Production (AEP) Environmental impacts and social acceptability Economic and financial viability Objectives of financial and economic analysis Financial benefits for investor - institutional viability of project Economic rate of return - project benefits for national society Risk analysis Tendering and bid evaluation Required verification certificates Payment conditions.15ģ ABBREVIATIONS, ACRONYMS AND DEFINITION OF TERMS Definitions and Explanations of Technical Terms related to Wind Farms AEP gross AEP net Arrays Array Efficiency Gross Annual Energy Production.
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