h) Any changes made to the test turbine during the test period; Test requirements Reference to section Reported / # Requirement from standard Checks & expert guidance Finding in standard Inspected 6 Test requirements In Clause 6 the requirements for the test are Have there been specific test conditions worth mentioning, such as snow and ice (which may described. These include requirements for affect turbine and sensors), freezing weather (affecting the sensors and cup classification), 6.1 General strong hail The test site, To the extent these are measured, also information regarding shear, veer and upflow is to be The MLCs and the amount of data reported alongside turbulence required for each, The quantities to be measured, and Changes in the turbine configuration. 6.2 Test site The terrain and wind conditions shall be Is there an evaluation for the test campaign prior to the test? requirements capable of fulfilling the requirements of the capture matrix. An obstacle assessment and terrain Check relating to the measurement sector shall be on the basis of OD-551-12 assessment shall be completed per IEC 61400- 12-1. If the measurement sector is expanded, that evidence showing such representativeness is provided and reported. The measurement sector can be expanded beyond the one found using the methods in IEC 61400-12-1 if it can be shown that the wind speed and TI measured at the meteorological mast are representative of those seen by the wind turbine (e.g. turbine and meteorological mast on ridge). If the test site does not meet the requirements Checks relating to the assessment of the test site shall be on the basis of OD-551-12 of IEC a site calibration should be performed. If no site calibration is performed in complex terrain, is the extra uncertainty considered and reported? Reporting clause A description of the test site, including Check that all points mentioned in 12.3) have been included in the report 12.3) Photographs of all measurement sectors preferable taken from the wind turbine at hub height Geographical location with sufficiently detailed information to allow the reader to locate the test machine. Test site map showing the surrounding area covering a radial distance of at 20 times the wind turbine rotor diameter and indicating the topography, location of the wind turbine, meteorological mast,
h) Any changes made to the test turbine during the test period; Test requirements # Reference to section in standard Requirement from standard Checks & expert guidance Reported / Inspected Finding 6 Test requirements 6.1 General In Clause 6 the requirements for the test are described. These include requirements for The test site, The MLCs and the amount of data required for each, The quantities to be measured, and Changes in the turbine configuration. Have there been specific test conditions worth mentioning, such as snow and ice (which may affect turbine and sensors), freezing weather (affecting the sensors and cup classification), strong hail To the extent these are measured, also information regarding shear, veer and upflow is to be reported alongside turbulence 6.2 Test site requirements Reporting clause 12.3) The terrain and wind conditions shall be capable of fulfilling the requirements of the capture matrix. Is there an evaluation for the test campaign prior to the test? An obstacle assessment and terrain assessment shall be completed per IEC 61400- 12-1. The measurement sector can be expanded beyond the one found using the methods in IEC 61400-12-1 if it can be shown that the wind speed and TI measured at the meteorological mast are representative of those seen by the wind turbine (e.g. turbine and meteorological mast on ridge). Check relating to the measurement sector shall be on the basis of OD-551-12 If the measurement sector is expanded, that evidence showing such representativeness is provided and reported. If the test site does not meet the requirements of IEC a site calibration should be performed. Checks relating to the assessment of the test site shall be on the basis of OD-551-12 If no site calibration is performed in complex terrain, is the extra uncertainty considered and reported? A description of the test site, including Photographs of all measurement sectors preferable taken from the wind turbine at hub height Geographical location with sufficiently detailed information to allow the reader to locate the test machine. Test site map showing the surrounding area covering a radial distance of at 20 times the wind turbine rotor diameter and indicating the topography, location of the wind turbine, meteorological mast, Check that all points mentioned in 12.3) have been included in the report
od-551-13ed.1.0.docx